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SECTION 04 43 13
SAWN THIN VENEER NATURAL STONE
 
 
Copyright 2015 - 2017 ARCAT, Inc. - All rights reserved
** NOTE TO SPECIFIER ** Krukowski Stone Co., Inc. quarriers and manufacturer of natural architectural and landscaping stone.
This section is based on the products of Krukowski Stone Co., Inc., which is located at:
3781 County Road C
Mosinee, Wisconsin 54455
Phone: 715-693-6300
Phone: 800-628-0314
Fax: 717-693-7223
Internet: www.krukowskistone.com
[Click Here] for additional product data.
Krukowski Stone Co., Inc., has been quarrying and manufacturing architectural stone veneers and landscaping materials for over 35 years. We quarry three unique formations of stone - Upper Cambrian Quartzite Sandstone, Granitic Gneiss--Aqua Blue Boulders, and Wisconsin Granite Cobbles and Boulders. Technical information available on our website at www.krukowskistone.com.
 
PART 1 GENERAL
 
1.1
SECTION INCLUDES
 
** NOTE TO SPECIFIER ** Delete items below not required for project.
 
A.
Thin cut veneer masonry of natural stone set in cement mortar over a structural wall backing of:
1.
Plywood sheathing.
2.
Concrete masonry.
3.
Metal building.
4.
Other ________.
B.
Special decorative sawn thin veneer stone shapes for trim.
C.
Built-in accessories.
1.2
RELATED SECTIONS
 
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
A.
Section 03 30 00 - Cast-in-Place Concrete.
B.
Section 04 27 23 - Cavity Wall Unit Masonry.
C.
Section 05 40 00 - Cold-Formed Metal Framing.
D.
Section 05 50 00 - Metal Fabrications.
E.
Section 06 11 00 - Wood Framing.
F.
Section 07 27 26 - Fluid-Applied Membrane Air Barriers .
G.
Section 07 62 00 - Sheet Metal Flashing and Trim.
H.
Section 07 65 26 - Self-Adhering Sheet Flashing.
I.
Section 07 90 00 - Joint Protection.
J.
Section 09 24 13 - Adobe Finish.
K.
Section 13 34 23 - Fabricated Structures.
1.3
REFERENCES
 
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
A.
ASTM C 91 - Standard Specification for Masonry Cement.
B.
ASTM C 97 - Standard Specification for Absorption and Bulk Specific Gravity of Dimension Stone.
C.
ASTM C 99 - Standard Specification for Modulus of Rupture of Dimension Stone.
D.
ASTM C 144 - Aggregate for Masonry Mortar.
E.
ASTM C 170 - Standard Specification for Compressive Strength of Dimension Stone.
F.
ASTM C 207 - Standard Specification for Hydrated Lime for Masonry Purposes.
G.
ASTM C 270 - Mortar for Unit Masonry.
H.
ASTM C 568 - Standard Specification for Limestone Dimension Stone.
I.
ASTM C 615 - Standard Specification for Granite Dimension Stone.
J.
ASTM C 616 - Standard Specification for Quartz-Based Dimension Stone.
K.
ASTM C 780 - Preconstruction Evaluation of Mortar for Plain & Reinforced Masonry.
L.
ASTM C 847 - Standard Specification for Metal Lath.
M.
ASTM C 1063 - Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster.
N.
ASTM D 226 - Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing.
O.
ACI 530/ASCE 5/TMS 402 - Building Code Requirements for Masonry Structures.
P.
ACI 530.1/ASCE 6/TMS 602 - Specifications for Masonry Structures.
Q.
BSI - Building Stone Institute - Recommended Best Practices
R.
PCA - Portland Cement Plaster (Stucco) Manual
1.4
SUBMITTALS
A.
Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.
Product Data: Quarrier's data sheets on each stone product to be used, including:
1.
Certification that stone properties conform to specified requirements.
2.
Storage and handling requirements and recommendations.
C.
Shop Drawings: Submit shop drawings, including plans, elevations, sections, and details, indicating layout, dimensions, anchorages, and jointing methods.
D.
Verification Samples: For each finish product specified, two full size samples, representing actual product, color, and patterns.
E.
Certificate: Certify mortar mix and accessories conform to specified requirements.
1.5
QUALITY ASSURANCE
A.
Stone Quarrier: Company specializing in manufacturing products specified in this section with minimum 10 years documented experience.
B.
Installer Qualifications: Company specializing in performing Work of this section with minimum five years documented experience.
 
** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
 
C.
Sample Panel: Construct sample panel at location indicated or directed, and as follows:
1.
Recommended Size: 4 feet by 4 feet (1.2 m by 1.2 m).
2.
Include all stone unit types and sizes to be used including a typical corner condition, special shapes and mortar joint treatment. Clean the sample panel using the same materials and tools as planned for the final stone masonry construction.
3.
Obtain Architect's acceptance of sample panel before beginning construction activities of this section.
4.
Do not remove sample panel until construction activities of this section have been accepted by the Architect.
D.
Preconstruction Meetings: Conduct preconstruction meetings including the Architect, Contractor, stone masonry subcontractor, and the flashing subcontractor to verify project requirements, substrate conditions, installation instructions and other requirements. Comply with Division 1 requirements.
1.6
DELIVERY, STORAGE, AND HANDLING
A.
Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying product name and manufacturer
B.
Storage:
1.
Store materials in accordance with BSI - Recommended Best Practices.
2.
Store materials in manufacturer's unopened packaging until ready for installation
3.
Store stone materials on pallets on dry, level surface and cover with tarps
4.
Do not stack pallets
5.
Mortar: Mortar: Store mortar in accordance with mortar manufacturer's instructions.
C.
Handling: Handle materials in accordance BSI - Recommended Best Practices. Protect materials during handling and installation to prevent damage or contamination.
1.7
PROJECT CONDITIONS
A.
Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by BSI - Recommended Best Practices for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
B.
Hot and Cold Weather Requirements shall be in accordance with ACI 530.1/ASCE 6/TMS 602 Specifications for Masonry Structures.
C.
Ambient Temperature shall be 40 degrees F (4.4 degrees C) or above during erection of stone masonry. When ambient temperature falls below 50 degrees F, mortar mixing water shall be heated.
PART 2 PRODUCTS
 
2.1
MANUFACTURERS
A.
Acceptable Stone Quarrier:, Krukowski Stone Co., Inc., 3781 County Road C, Mosinee, Wisconsin 54455, ASD, Phone: 715-693-6300, Toll free: 800-628-0314, Fax: 717-693-7223, Internet: www.krukowskistone.com.
 
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
 
** NOTE TO SPECIFIER ** Select the Collection, Product and colors and patterns from Krukowski Stone Co. Literature or by direct visual inspection of sampes. Special heights and lengths are available by special order. Select the products required from the following paragraphs and delete those that are not required. If more than one product is used identify the locations of each collection product on the Drawings. If special shapes are required clearly indicate the location and size on the Drawings. Note that Thin Veneer Blends are pre-blended and the blending is included into the pricing. All blended products will be put together at the time of the order, please plan for ample lead-time. Individual products can be purchased in separate handy packs, crates, and pallets and blended on site at a reduced cost per Square Feet.
 
2.2
NATURAL THIN VENEER STONE
A.
COLLECTION: Ashlar/Random Ashlar
1.
Apple Creek: Moderate to significant horizontal veining consisting of buff, mauve, and crimson colorations
a.
100 percent Split-Face
b.
Height: 2 inches to 6 inches
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
2.
Autumn Sunburst
a.
60 percent Highland Brown, 40 percent Chestnut Boulder
b.
Height: 3 inches to 8 inches
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Diameter: 4 inches to 12 inches
f.
Material: Quartzitic sandstone.
3.
Autumn Sunburst Ashlar
a.
60 percent Highland Brown, 40 percent Chestnut Ashlar
b.
Height: 3 inches to 10 inches
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
4.
BC Vail: Variations of buff, light to medium gray horizontal veining with areas of small to medium crystalline voids in the stone. There may also be areas containing rust coloration 100 percent Split-Face
a.
100 percent Split-Face
b.
Height: 2 inches to 8 inches
c.
Length: 6 inches to 22 plus inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Limestone.
5.
Birch
a.
85 percent Sandy Creek, 15 percent Chestnut Ashlar
b.
Height: 3 inches to 8 inches
c.
Lengths: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
6.
Cambrian Blend Ashlar
a.
40 percent Sandy Creek, 40 percent Highland Brown, 20 percent Chestnut Ashlar
b.
Height: 3 inches to 10 inches
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
7.
Cambrian Blend
a.
40 percent Sandy Creek, 10 percent Highland Brown, 20 percent Chestnut Boulder
b.
Height: 3 inches to 8 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Diameter: 4 inches to 12 inches
f.
Material: Quartzitic sandstone.
8.
Chestnut Ashlar: Medium to dark brown, chocolate and coffee tones
a.
Weathered Edge and/or Bed-Face, Natural and Snapped heights
b.
Height: 3 inches to 10 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
9.
Church Blend
a.
50 percent Sandy Creek, 50 percent Apple Creek
b.
Height: 2 inches to 8 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
10.
Desert Blend
a.
50 percent Sandy Creek, 50 percent Highland Brown
b.
Heights: 3 inches to 8 inches
c.
Lengths: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
11.
Desert Sunset
a.
50 percent Apple Creek - 50 percent Highland Brown Bed-Face
b.
Height: 3 inches to 8 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
12.
Glacier Bay Ashlar: Variations of brown tones - tan, auburn, and cedar, natural weathered, seam-face and/or bed-face material
a.
Tumbled Texture
b.
Height: 3 inches to 8 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
13.
Highland Brown Bed-Face: Variations of brown tones - tan, auburn, and cedar
a.
Seam-Face/Weathered Edge
b.
Height: 3 inches to 8 inches
c.
Length: 6 inches to 30 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
14.
Highland Brown Bed-Face: Variations of brown tones - tan, auburn, and cedar
a.
100 percent Bed-Face
b.
Height: 3 inches to 8 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
15.
Highland Brown Jumpers: Variations of brown tones - tan, auburn and cedar
a.
a. 100 percent Bed-Face
b.
Height: 8 inches to 14 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
16.
Sandy Creek: shades of buff, light tan, may contain little to strong rusty-brown to crimson veining.
a.
100 percent Split-Face
b.
Height: 3 inch to 8 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
17.
Sandy Creek Jumpers: Shades of buff, light tan, may contain little to strong rusty-brown to crimson veining.
a.
Split-Face
b.
Height: 8 inches to 14 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone
18.
Stoneybrook
a.
Split-Face
b.
Height: 2 inches to 8 inches
c.
Length: 5 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Limestone
B.
COLLECTION: Ledge-Rock Random Heights
1.
Apple Creek Ledge-Rock: Moderate to significant horizontal veining consisting of buff, mauve, and crimson colorations
a.
100 percent Split-Face
b.
Height: 1-1/2 inches to 4 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
2.
Sandy Creek Ledge Rock: shades of buff, light tan, may contain little to strong rusty-brown to crimson veining
a.
100 percent Split-Face
b.
Height: 1 inch to 3 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
C.
COLLECTION: Ledge-Rock Sawn Heights
1.
Aqua Grantique 2-1/4 inch Ledgerock: Dark Charcoal Blue with Areas of Olive Green & White Quartz Veining.
a.
100 percent Split-Face
b.
Sawn Height: 2-1/4 inch inches (plus or minus 1/4 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Hornblende Gneiss/Amphibolite.
2.
Aqua Grantique 3 cm (1-3/16 inch) Ledgerock: Dark Charcoal Blue with Areas of Olive Green & White Quartz Veining.
a.
100 percent Split Face
b.
Sawn Height 3cm (plus or minus 1/4 inch)
c.
Length: 5 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Hornblende Gneiss/Amphibolite.
3.
Autumn Sunburst 1 inch, 2 inch, 3 inch Ledgerock
a.
100 percent Bed-Face
b.
Sawn Height: 1 inch, 2 inch and/or 3 inch (plus or minus 1/4 inch)
c.
Length: Varies
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone
4.
Autumn Sunburst 2-1/4 inch Ledgerock
a.
100 percent Bed-Face
b.
Height: 2-1/4 inch (plus or minus 1/4 inch)
c.
Length: 6 inch to 22+ inch
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone
5.
Cambrian Cream 2-1/4 inch Ledgerock: Light buff, may contain rust and/or gray mineral veining.
a.
100 percent Split-Face
b.
Sawn Height: 2-1/4 inch (plus or minus 1/4 inch)
c.
Length: 8 inches to 18 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
6.
Cambrian Cream 3 cm (1-3/16 inch) Ledgerock: Light buff, may contain rust and/or gray mineral veining.
a.
100 percent Split-Face
b.
Sawn Height: 3 cm (1-3/16 inch) plus or minus 1/4 inch
c.
Length: 8 inches to 18 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
7.
Carmel Cream 2-1/4 inch Ledgerock: Extreme color variations of buff, tan, gold, and terracotta which may contain moderate to excessive burgundy, dark brown, or rust colored veining
a.
100 percent Split-Face
b.
Sawn Height: 2-1/4 inch (plus or minus 1/4 inch)
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
8.
Chestnut 1 inch, 2 inch, 3 inch Ledgerock
a.
100 percent Bed-Face
b.
Sawn Height: 1 inch, 2 inch and/or 3 inch (plus or minus 1/4 inch)
c.
Length: Varies
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
9.
Chestnut 2-1/4 inch Ledgerock
a.
100 percent Bed-Face
b.
Sawn Height: 2-1/4 inch (plus or minus 1/4 inch)
c.
Length: 6 inch to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
10.
Desert Blend 2-1/4 inch Ledgerock
a.
50 percent Sandy Creek, 50 percent Highland Brown
b.
Sawn Height: 2-1/4 inch (plus or minus 1/4 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
11.
Highland Brown 1 inch, 2 inch, 3 inch Ledgerock: Variations of brown tones - tan, auburn and cedar
a.
100 percent Bed-Face
b.
Sawn Height: 1 inch, 2 inch and/or 3 inch (plus or minus 1/4 inch)
c.
Length: Varies
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
12.
Highland Brown 2-1/4 inch Ledgerock: Variations of brown tones - tan, auburn, and cedar
a.
100 percent Bed-Face
b.
Sawn Height: 2-1/4 inch (plus or minus 1/4 inch)
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
D.
COLLECTION: Mosaic/Boulder
1.
Aqua Blue Boulder: Dark Charcoal Blue with Areas of Olive Green & White Quartz Veining.
a.
Irregular shapes
b.
Diameter: 7 inches to 12 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Hornblende Gneiss/Amphibolite.
2.
Chestnut Boulder: Medium to dark brown, chocolate and coffee tones
a.
100 percent Bed-Face, Irregular shapes
b.
Diameter: 4 inches to 12 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Quartzitic sandstone.
3.
Glacier Bay Fieldstone: Variations of brown tones - tan, auburn, and cedar, natural weathered, seam-face and/or bed-face material
a.
Tumbled Texture, Bed-Face, Irregular Webwall Contour
b.
Diameter: 4 inches to 12 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Quartzitic sandstone.
4.
Highland Brown Webwall: Variations of brown tones - tan, auburn, and cedar
a.
Bed-Face, Irregular shapes
b.
Diameters: 4 inches to 16 inches plus Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
c.
Material: Quartzitic sandstone.
5.
Kanyon Blend
a.
60 percent Sandy Creek, 25 percent Highland Brown Bed-Face, 15 percent Chestnut Ashlar
b.
Height: 3 inch to 8 inch (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartizitic sandstone.
6.
Northridge Blend
a.
50 percent Highland Brown Webwall, 50 percent Chestnut Boulder
b.
Diameter: 4 inches to 12 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Quartzitic sandstone.
7.
Oakridge Moss Rock: natural surface boulder containing a wide range of colors including medium brown, coffee, and charcoal; contains moss and lichens on the surface
a.
100 percent Weathered Face
b.
Diameter: 2 inches to 8 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Quartzitic sandstone.
8.
Prairie House:
a.
70 percent Sandy Creek, 30 percent Highland Brown
b.
Irregular Edges
c.
Height: 2 inches to 8 inches
d.
Length: 6 inches to 20 inches
e.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
f.
Material: Quartizitic sandstone.
9.
St. Mary's Blend:
a.
50 percent Aqua Blue, 50 percent Wausau Red Irregular
b.
Diameter: 7 inches to 12 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Granite.
10.
Tuskan
a.
50 percent Chestnut Cobbles, 50 percent Glacier Bay Irregular Fortress Blend
b.
Diameter: 3 inches to 14 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Quartzitic sandstone.
11.
Walnut Creek:
a.
50 percent Highland Brown Bed-Face, 40 percent Highland Brown Webwall, 10 percent Chestnut Boulders
b.
Irregular Shapes
c.
Diameter: 4 inches to 18 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartizitic sandstone.
12.
Wausau Red Irregular: Ruby red to orange granite, containing black and quartz crystals
a.
100 percent Split-Face
b.
Diameter: 4 inches to 12 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Granite.
13.
Wisconsin Granite Cobbles: reds, pinks, grays, blues, blacks, and peppered large and tight grained configuration
a.
Diameter: 4 inches to 12 inches plus
b.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
c.
Material: Granite.
14.
Wisconsin Split Fieldstone
a.
100 percent Split-Face
b.
Diameter: 4 inches to 12 inches plus
c.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
d.
Material: Granite.
E.
COLLECTION: Palace Blends
1.
Autumn Sunburst Palace Blend 4 inch-6 inch-8 inch-12 inch
a.
60 percent Highland Brown Palace Blend, 40 percent Chestnut Palace Blend
b.
Height: (approx. %) 4 inches -15 percent, 6 inches - 35 percent, 8 inches - 35 percent, and 12 inches -15 percent
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
2.
Autumn Sunburst Palace Blend 6 inch-8 inch-12 inch-18 inch
a.
60 percent Highland Brown Palace Blend, 40 percent Chestnut Palace Blend
b.
Height: (approx. %): 6 inches - 40 percent, 8 inches - 30 percent, 12 inches - 20 percent, 18 inches - 10 percent
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
3.
Autumn Sunburst Palace Blend Random Heights
a.
100 percent Bed-Face
b.
Height: 4 inches to 14 inches
c.
Length: 6 inches to 30 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone
4.
BC Vail Palace Blend 4 inch - 12 inch
a.
100 percent Bed-Face
b.
Height: 4 inches to 12 inches (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Limestone
5.
Chestnut Palace Blend 4 inch-6 inch-8 inch-12 inch: Medium to dark brown, chocolate and coffee tones
a.
100 percent Bed-Face
b.
Height: (approx. %) 4 inches -15 percent, 6 inches -35 percent, 8 inches -35 percent, and 12 inches -15 percent
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
6.
Chestnut Palace Blend 6 inch-8 inch-12 inch-18 inch: Medium to dark brown, chocolate and coffee tones
a.
100 percent Bed-Face
b.
Height: (approx. %): 6 inches - 40 percent, 8 inches- 30 percent, 12 inches - 20 percent, 18 inches - 10 percent
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
7.
Chestnut Palace Blend 18 inch: Medium to dark brown, chocolate and coffee tones
a.
100 percent Bed-Face
b.
Height: 18 inches (plus or minus 1/2 inch)
c.
Length: 6 inches to 30 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
8.
Chestnut Palace Blend Random Heights: Medium to dark brown, chocolate and coffee tones
a.
100 percent Bed-Face
b.
Height: 4 inches to 12 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
9.
Glacier Bay Palace Blend: Variations of brown tones - tan, auburn, and cedar, natural weathered, seam-face and/or bed-face material
a.
Tumbled Texture, Bed-Face
b.
Height: 6 inches, 8 inches, 12 inches, and 18 inches (plus or minus 1/2 inch)
c.
Length: 5 inches to 20 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone,.
10.
Highland Brown Palace Blend 4 inch-6 inch-8 inch-12 inch: Variations of brown tones - tan, auburn, and cedar
a.
100 percent Bed-Face
b.
Height: (approx. %) 4 inches -15 percent, 6 inches -35 percent, 8 inches -35 percent, and 12 inches -15 percent (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
11.
Highland Brown Palace Blend 6 inch-8 inch-12 inch-18 inch: Variations of brown tones - tan, auburn and cedar
a.
100 percent Bed-Face
b.
Height: (approx. %): 6 inches - 40 percent, 8 inches - 30 percent, 12 inches - 20 percent, 18 inches - 10 percent
c.
Length: 6 inches to 30 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartizitic sandstone.
12.
Highland Brown Palace Blend 18 inch: Variations of brown tones - tan, auburn and cedar
a.
100 percent Bed-Face
b.
Height: 18 inches (plus or minus 1/2 inch)
c.
Length: 6 inches to 30 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartizitic sandstone.
13.
Highland Brown Palace Blend Random Heights: Variations of brown tones - tan, auburn and cedar
a.
100 percent Bed-Face
b.
Height: 4 inches to 12 inches
c.
Length: 6 inches to 22 inches plus
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartizitic sandstone
F.
COLLECTION: Planking
1.
Aqua Grantique 5 inch Planking: Dark Charcoal Blue with Areas of Olive Green & White Quartz Veining.
a.
Height: 5 inches
b.
Length: 8 inches to 20 inches
c.
Thickness: 1 inch to 1-1/2 inches
d.
Material: Hornblende Gneiss/Amphibolite
2.
Cambrian Cream 5 inch Planking: Light buff, may contain rust and/or gray mineral veining.
a.
Height: 5 inches
b.
Length: 8 inches to 20 inches
c.
Thickness: 1 inch to 1-1/2 inches
d.
Material: Quartzitic sandstone.
3.
Carmel Cream 5 inch Planking: extreme color variations of buff, tan, gold, and terracotta which may contain moderate to excessive burgundy, dark brown or rust colored veining
a.
Height: 5 inches
b.
Length: 8 inches to 20 inches
c.
Thickness: 1 inch to 1-1/2 inches
d.
Material: Quartzitic sandstone.
4.
Desert Blend 5 inch Planking
a.
50 percent Cambrian Cream 5 inch Planking, 50 percent Carmel Cream 5 in Planking Height: 5 inches
b.
Length: 8 inches to 20 inches
c.
Thickness: 1 inch to 1-1/2 inches
d.
Material: Quartzitic sandstone.
G.
COLLECTION: Sawn Heights (3-1/2 inch, 7-1/2 inch, and/or 11-1/2 inch)
1.
Aqua Grantique 3-1/2 inch, 7-1/2 inch, and/or 11-1/2 inch Sawn Height: Dark Charcoal Blue with Areas of Olive Green & White Quartz Veining.
a.
100 percent Split-Face
b.
Height: 3-1/2 inch, 7-1/2 inch, and/or 11-1/2 inch (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Hornblende Gneiss/Amphibolite
2.
Aqua Grantique 3-1/2 inch, 7-1/2 inch, and/or 11-1/2 inch Tumbled Sawn Height: Dark Charcoal Blue with Areas of Olive Green & White Quartz Veining.
a.
Tumbled Texture, 100 percent Split-Face
b.
Height: 3-1/2 inch, 7-1/2 inch, and/or 11-1/2 inch (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Hornblende Gneiss/Amphibolite
3.
Aqua Grantique 3 cm, 2-1/4 inch, 3-1/2 inch and/or 7-1/2 inch Sawn 6-sided: Dark Charcoal Blue with Areas of Olive Green & White Quartz Veining.
a.
Height: 3 cm, 2-1/4 inch, 3-1/2 inch and/or 7-1/2 inch (plus or minus 1/2 inch)
b.
Length: 8 inches to 36 plus inches
c.
Thickness: 1-1/2 inch
d.
Material: Hornblende Gneiss/Amphibolite
4.
Carmel Cream 3-1/2 inch and/or 7-1/2 inch Sawn Height: extreme color variations of buff, tan, gold, and terracotta which may contain moderate to excessive burgundy, dark brown, or rust colored veining
a.
100 percent Split-Face
b.
Height: 3-1/2 inch and/or 7-1/2 inch (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
5.
Desert Blend 3-1/2 inch and/or 7-1/2 inch Sawn Height
a.
50 percent Sandy Creek Sawn Height, 50 percent Highland Brown Sawn Height
b.
Height: 3-1/2 inch and/or 7-1/2 inch (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
6.
Glacier Bay 3-1/2 inch and/or 7-1/2 inch Sawn Height: Variations of brown tones - tan, auburn, and cedar, natural weathered, seam-face and/or bed-face material
a.
Tumbled Texture, Split-Face
b.
Height: 3-1/2 inch and/or 7-1/2 inch (plus or minus 1/2 inch)
c.
Length: 5 inches to 20 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
7.
Highland Brown 3-1/2 inch and/or 7-1/2 inch Sawn Height: Variations of brown tones - tan, auburn, and cedar
a.
100 percent Bed-Face
b.
Height: 3-1/2 inch and/or 7-1/2 inch (plus or minus 1/4 inch)
c.
Length: 6 inches to 22 inches
d.
(Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
8.
Klassic Granite: full color range - red, pink, gray, black, blue, burgundy, tan, pale green, and peppered; large and tight grained configuration
a.
100 percent Split-Face
b.
Height: 6 inches (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Granite.
9.
Klassic Granite Tumbled: full color range - red, pink, gray, black, blue, burgundy, tan, pale green, and peppered; large and tight grained configuration
a.
Tumbled Texture, 100 percent Split-Face
b.
Height: 6 inches (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Granite.
10.
Sandy Creek 3-1/2 inch and/or 7-1/2 inch Sawn Height: shades of buff, light tan, may contain little to strong rusty-brown to crimson veining
a.
100 percent Split-Face
b.
Height: 3-1/2 inch and/or 7-1/2 inch (plus or minus 1/2 inch)
c.
Length: 6 inches to 22 inches
d.
Thickness: 3/4 inch to 1-1/2 inch (plus or minus 1/2 inch)
e.
Material: Quartzitic sandstone.
H.
Special Shapes:
 
** NOTE TO SPECIFIER ** List the special shapes required and delete those not required. Clearly indicate the location and sizes on the Drawings/
 
1.
Provide special shapes as indicated on the Drawings and as follows:
a.
Quoins.
b.
Keystones.
c.
Caps.
d.
Cornerstones.
e.
Hearths.
f.
Sills.
g.
Banding/Belt Course.
h.
Other _____.
 
** NOTE TO SPECIFIER ** Identify the color required for special shapes and delete one of the following two paragraphs.
 
2.
Color shall be:
a.
Aqua Grantique
b.
Cambrian Cream
c.
Carmel Cream
d.
Match the adjacent veneer stone
3.
Finishes
a.
Brushed
b.
Polished
c.
Honed
d.
Thermal
e.
Shot-Blast
f.
Other: ______________________
I.
Stone Properties:
 
** NOTE TO SPECIFIER ** Retain the stone properties associated with each collection product material selected above and delete those not required. Note there are 2 types of Quartzitic Sandstone
 
1.
Quartzitic Sandstone
a.
Products: Apple Creek, Cambrian Cream, Chestnut, Glacier Bay, Highland Brown, Sandy Creek
b.
Material Class: Metamorphic.
1)
Dry Density: 158.7 pcf
2)
Bulk Specific Gravity: 2.54
3)
Absorption: 0.5 percent
4)
Modulus of Rupture: 1,850 psi
5)
Compressive Strength: 17,700 psi
6)
Freeze-Thaw Weight Loss: <0.5 percent
7)
Abrasion Resistance: 63.8
8)
Mohs Hardness: 6-7
2.
Quartzitic Sandstone
a.
Products: Carmel Cream, Oakridge Moss
b.
Material Class: Sedimentary
1)
Dry Density: 145.8 pcf
2)
Bulk Specific Gravity: 2.34
3)
Absorption: 2.2 percent
4)
Modulus of Rupture: 1,765 psi
5)
Compressive Strength: 15,860 psi
6)
Freeze-Thaw Weight Loss: <0.5 percent
7)
Mohs Hardness: 6-7
3.
Hornblende Gneiss/Amphibolite
a.
Products: Aqua Blue Boulder and Aqua Grantique
b.
Material Class: Metamorphic
1)
Dry Density: 189.3 pcf
2)
Bulk Specific Gravity: 3.03
3)
Absorption: 0.0 percent
4)
Modulus of Rupture: 2,910 psi
5)
Compressive Strength: 22,710 psi
6)
Freeze-Thaw Weight Loss: <0.5 percent
7)
Mohs Hardness: 7
4.
Granite
a.
Products: Klassic Granite, Wausau Red Irregular, Wisconsin Granite Cobbles, Wisconsin Split Fieldstone
b.
Material Class: Igneous
1)
Dry Density: 168.2 pcf
2)
Absorption: 0.14 percent
3)
Modulus of Rupture: 1,890 psi
4)
Compressive Strength: 23,380 psi
5.
Limestone
a.
Products: Stoneybrook, Vail
b.
Rated as Type-III High Density when tested in accordance with ASTM C 568
c.
Material Class: Sedimentary
1)
Dry Density: 171.2 pcf
2)
Bulk Specific Gravity: 2.74
3)
Absorption: 0.45 percent
4)
Modulus of Rupture: 1,975 psi
5)
Compressive Strength: 24,520 psi
2.3
ACCESSORlES
 
** NOTE TO SPECIFIER ** Edit the following three paragraphs to suit the project requirements. Delete if not required. Use paragraph A when thin masonry veneer is installed over metal siding or open stud back-up; Use paragraph B for use over wood sheathing or existing concrete or masonry back-up.
 
A.
Expanded Metal Lath Paper Backed: ASTM C 847; galvanized, self furring mesh of weight to suit application; backed with paper.
B.
Expanded Metal Lath: ASTM C 847, galvanized, self-furring, minimum 2.5 lb or 18 gage
C.
Anchorage: Tie wire, nails, screws and other metal supports, galvanized, of type and size to suit application and to rigidly secure materials in place.
D.
Setting buttons or shims; lead or plastic
 
** NOTE TO SPECIFIER ** Edit the following two paragraphs to suit the project requirements. Delete if not required. Paragraph E is typically used with wood sheathing and paragraph F with concrete or masonry without lath.
 
E.
Building Paper: ASTM D 226, Type 1, No. 15 asphalt saturated felt.
F.
Concrete Bonding Agent: Water-based polyvinyl acetate type.
G.
House Wrap: Air/vapor barrier polyomeric membrane as specified in Section 07 27 26 - Fluid-Applied Membrane Air Barriers .
2.4
MORTAR
 
** NOTE TO SPECIFIER ** Paragraph A is a packaged Masonry Cement; paragraphs B, C, and D is for field proportioned masonry materials. Delete one or leave both giving the Contractor the option to select one based on his needs.
 
A.
Masonry Cement: Complying with ASTM C 91:
1.
Type N or S for above grade applications.
2.
Type S for below grade applications.
 
** NOTE TO SPECIFIER ** Select one Color as appropriate. For special color additives, select from natural pigments for maximum color stability. Delete those paragraphs not required
 
3.
Color, gray.
4.
Color, white or colored is optional.
5.
Color _______.
 
** NOTE TO SPECIFIER ** Select one Lime/Portland Cement Type as appropriate. Delete the paragraph not required.
 
B.
Portland Cement: Complying with ASTM C 150:
1.
Type I.
2.
Type __.
 
** NOTE TO SPECIFIER ** Select one Color as appropriate. For special color additives, select from natural pigments for maximum color stability. Delete those paragraphs not required.
 
3.
Color, gray.
4.
Color, white.
5.
Color _______.
C.
Mortar Aggregate: Complying with ASTM C 144, standard masonry type
D.
Hydrated Lime: Complying with ASTM C 207:
 
** NOTE TO SPECIFIER ** Select one lime Type as appropriate. Delete those not required.
 
1.
Type S.
2.
Type SA.
E.
Water: Clean and potable.
2.5
MIXES
A.
Mortar Mixing for Masonry with Tooled Joints:
1.
Mix mortar ingredients in accordance with ASTM C270, using Proportion Specification Type N. Mix only in quantities needed for immediate use.
2.
Do not use anti-freeze compounds to lower freezing point of mortar.
B.
Jointless Dry-Stack Mortar:
1.
Mix Mortar in accordance with ANSI A118.4
2.
Add color pigments in accordance with pigment manufacturer's instructions
PART 3 EXECUTION
 
 
** NOTE TO SPECIFIER ** Verify crack control design is correctly indicated and detailed on Drawings in accordance with National Concrete Masonry Association; TEK 10-1A for Crack Control Design, TEK 10-2B for control joint design and locations, TEK 19-4A for Flashing Strategies for Concrete Masonry Walls, and TEK 19-5A for Flashing Details for Concrete Masonry Wall
 
3.1
EXAMINATION
A.
Do not begin installation until backing structure is plumb, bearing surfaces are level and substrates are clean and properly prepared.
B.
Verify that built-in items are in proper location, and ready for roughing into stone masonry.
C.
Notify Architect of unsatisfactory preparation before proceeding.
 
** NOTE TO SPECIFIER ** Edit paragraphs 3.2, 3.3, 3.4 and 3.5 to suit project requirements. Delete paragraphs not required.
 
3.2
PREPARATION FOR INSTALLATION OVER PLYWOOD, GYPSUM OR OTHER SHEATHING
A.
Cover sheathing with house wrap covered with waterproof building paper applied with all joints lapped shingle style a minimum of 4 inches (102 mm) and with all seam and holes taped.
B.
Install metal lath in accordance with ASTM C1063. Apply metal lath taut, with long dimension perpendicular to supports. Lap ends minimum 1 inch (25 mm) Secure end laps with tie wire where they occur between supports.
C.
Attach metal lath to wood supports using galvanized nails at maximum 6 inches (152 mm) on center vertically and 16 inches (406 mm) on center horizontally. Fasten with a minimum of a 1 inch (25 mm) penetration of the wood studs. Stop lath 1 inch (25 mm) from finished edges.
D.
Continuously reinforce internal angles with corner mesh.
E.
Place lath vertically above each top corner and each side of door and glazed frames.
3.3
PREPARATION FOR INSTALLATION OVER FORMED CONCRETE OR CONCRETE MASONRY
 
** NOTE TO SPECIFIER ** Edit to suit project conditions. Use paragraph A and B for use with mortar directly over clean concrete or concrete masonry. Use paragraph B over clean or new concrete and concrete masonry. Delete if not required.
 
A.
Clean or sandblast concrete masonry to assure a proper mortar bond. Verify no bituminous, water repellent, or form release agents exist on concrete surface that are detrimental to mortar bond.
B.
Apply bonding agent in accordance with the manufacturers printed instructions.
 
** NOTE TO SPECIFIER ** Edit to suit project conditions. Use the following paragraphs for use with mortar applied to metal lath fastened to concrete or concrete masonry. Delete if not required.
 
C.
Install metal lath in accordance with ASTM C1063. Apply metal lath taut, with long dimension perpendicular to supports. Lap ends minimum 1 inch (25 mm) Secure end laps with tie wire where they occur between supports.
D.
Attach metal lath to concrete using galvanized concrete nails at maximum 6 inches (152 mm) on center vertically and 16 inches (406 mm) on center horizontally. Stop lath 1 inch (25 mm) from finished edges.
E.
Continuously reinforce internal angles with corner mesh.
F.
Place lath vertically above each top corner and each side of door and glazed frames.
3.4
PREPARATION FOR INSTALLATION OVER METAL SIDING OR OPEN STUD
A.
Install paperbacked metal lath in accordance with ASTM C1063. Apply metal lath taut, with long dimension perpendicular to supports. Lap ends minimum 1 inch (25 mm) Secure end laps with tie wire where they occur between supports.
B.
Attach metal lath to support members using galvanized 1-1/4 inch (32 mm) type S-12 Panhead Super Tight Screws as manufactured by United States Gypsum. Screws shall penetrate a minimum of 3/8 inch (0.9525 cm) into the metal siding support members. Provide 1 fastener per SF of surface area and do not exceed 6 inches (152 mm) on center in any one direction.
C.
Place minimum 4 inch (100 mm) wide strips of metal lath centered over junctions of dissimilar backing materials. Secure rigidly in place.
D.
Place lath vertically above each top corner and each side of door and glazed frames.
E.
Apply scratch coat in accordance with PCA Plaster (Stucco) Manual.
F.
Apply scratch coat to nominal thickness of 1/2 to 3/4 inch (12.5 to 19 mm) over metal lath surfaces.
G.
Moist cure scratch coat for minimum period of 48 hours.
H.
After curing, dampen previous coat prior to applying mortar and thin stone veneer.
3.5
APPLICATION OF BASE COAT STUCCO:
A.
Apply scratch coat in accordance with PCA Plaster (Stucco) Manual.
B.
Apply scratch coat to nominal thickness of 1/2 to 3/4 inch over metal lath surfaces.
C.
If weather is hot or surface is dry, dampen previous coat before applying mortar and thin stone veneer.
D.
If scratch coat is done in advance; use notch trowel to create texture for better bond. Smooth surface is not acceptable for bond after curing, dampen previous coat prior to applying mortar and thin stone veneer.
3.6
PREPARATION FOR INSTALLATION OF THIN VENEER STONE
 
** NOTE TO SPECIFIER ** Refer to the Absorption rating in STONE PROPERTIES for each specified stone.
 
A.
Prepare stone prior to placement in accordance with the Stone Properties Absorption Rates specified as follows:
1.
Before setting absorptive stones with more than 1 percent absorption rating such as Carmel Cream, mist or brush the back of the stone with water to make it damp, but not saturated, saturated stone will not adhere to the mortar.
2.
Do not pre-wet dense stones such as Aqua Grantique, Sandy Creek or other varieties with less than 1 percent absorption.
B.
Coordinate placement of reinforcement, anchors and accessories, flashings and other moisture control products supplied by other sections.
C.
Clean all built-in items of loose rust, ice, mud, or other foreign matter before incorporating into the wall. All ferrous metal built into the wall shall be primed or galvanized.
D.
If required, provide temporary bracing during installation of masonry work. Maintain bracing in place until building structure provides permanent support.
3.7
INSTALLATION OF THIN VENEER STONE
A.
Install thin veneer stone and mortar in accordance with ACI 530.1/ASCE 6/TMS 602 Specifications for Masonry Structures.
B.
Maintain masonry courses to uniform dimension(s). Form vertical and horizontal joints of uniform thickness.
C.
Pattern Bond:
1.
Lay out stone in advance with the bedface, splitface or weather edge exposed. Take care to avoid a concentration of any one color to any one wall surface.
2.
Maintain an approximate 1/2 inch (12.5 mm) joint, as stone allows.
3.
Do not use stacked vertical joints.
4.
Lay out work in advance and distribute color range of stone uniformly over total work area.
D.
Placing and Bonding:
1.
Dampen substrate as required to reduce excessive suction.
2.
Apply mortar in accordance with PCA Plaster (Stucco) Manual to a thickness of 1/2 to 3/4 inch (12.5 mm to 19 mm) Do not spread more than a workable area of 5 to 10 SF (.46 to .93 SM) so that mortar will not set before stone is applied.
3.
Lay thin veneer stone in a full bed of mortar with full head joints.
4.
Work from the bottom up laying corner pieces first.
5.
Remove excessive mortar as work progresses.
6.
Do not shift or tap veneer stone after mortar has achieved initial set. Where adjustment is required, remove mortar and replace.
7.
Isolate top of veneer stone from horizontal structural framing members and slabs or decks with compressible joint filler and sealant in accordance with Section 07 90 00 - Joint Protection.
E.
Joining Work: Where fresh masonry joints partially set masonry.
1.
Remove loose stone and mortar.
2.
Clean and lightly wet surface of set masonry.
3.
To avoid a horizontal run of masonry rack back 1/2 (12.5 mm) the length of stone in each course.
4.
Toothing is not permitted.
F.
Joints:
1.
Lay stone with an approximate 1/2 inch (12.5 mm) mortar joint, as stone allows.
2.
Tool joints when "thumb-print inch hard with a round jointer slightly larger than the width of the joint.
3.
Trowel-point or concave tool exterior joints below grade.
4.
Flush cut joints to be finished with a soft brush only.
5.
Retempering or mortar is not permitted.
6.
Use non-corrosive stone shims as required to maintain uniform joint thickness.
 
** NOTE TO SPECIFIER ** Flashings, weeps and wall penetrations require special attention on drawing details. Located and detail properly.
 
G.
Flashing:
1.
Clean surface of masonry smooth and remove any projections, which could damage flashings.
2.
Place flashing on a bed of mortar.
3.
Cover flashing with mortar.
4.
Provide weep vents at head joints placed every 16 inches (406 mm) along the first course immediately above flashing or as recommended by weep vent manufacturer.
5.
Use a non-corrosive, fluid conducting polymer mesh such as "Mortar Net inch, "Control Cavity inch, "CavClear inch or equal to keep the air space behind the installed veneer stone, clear of mortar and mortar droppings.
 
** NOTE TO SPECIFIER ** Verify control and expansion joints are correctly indicated and detailed on Drawings. Control joints shall be designed in accordance with National Concrete masonry Association TEK 10-2B for control joint design and locations.
 
H.
Control and Expansion Joints: Keep joints open and free of debris. Coordinate control joint in accordance with Section 07 90 00 - Joint Protection for sealant performance.
I.
Sealant Recesses: Provide open joint 3/4 inch (19 mm) deep and 1/4 inch (6 mm) wide, where masonry meets doors, windows and other exterior openings. Coordinate sealant joints in accordance with Section 07 90 00 - Joint Protection for sealant performance.
J.
Cutting And Fitting: Cut and fit for chases, pipes, conduit, sleeves, grounds, and other penetrations and adjacent materials. Coordinate with other sections of work to provide correct size, shape, and location.
3.8
DRY-STACK INSTALLATION
A.
Install thin veneer stone and mortar in accordance with manufacturer's instructions and ACI 530.1/ASCE 6/ TMS 602.
B.
Maintain masonry courses to uniform dimensions. Form vertical and horizontal joints of uniform thickness.
C.
Pattern Bond:
1.
Lay out work in advance and distribute color range of stone uniformly over total work area.
2.
Lay stone with face exposed.
3.
Take care to avoid a concentration of any one color to any one wall surface.
4.
Maintain squared and uniform profile.
5.
Do not use stacked vertical joints.
D.
Placing and Bonding:
1.
Dampen substrate as required to reduce excessive suction.
2.
Use thin-set mortar in accordance with ANSI A118.4 for exterior dry stack installation.
3.
Apply mortar to thickness of 1/4 inch to back of stone.
4.
Press firmly to seat each stone as placed.
5.
Work from bottom up, laying corner pieces first.
6.
Remove excessive mortar as work progresses.
7.
Do not shift or tap veneer stone from horizontal structural framing members and slabs or decks with compressible joint filler and sealant as specified in Section 07 90 00 - Joint Protection.
E.
Joints:
1.
Lay stone with reasonably uniform joints, as stone allows.
2.
Remove excess mortar as stone is pressed into position.
3.
Use non-corrosive stone shims as required to maintain joint thickness.
F.
Control and expansion Joints:
1.
Keep joints open and free of debris.
2.
Coordinate control joints as specified in Section 07 90 00 - Joint Protection.
G.
Sealant Recesses:
1.
Provide open joints 3/4 inch deep and 1/4 inch wide, where masonry meets doors, windows, and other exterior openings.
2.
Coordinate sealant joints as specified in Section 07 90 00 - Joint Protection.
H.
Cutting and Fitting:
1.
Cut and fit thin veneer stone for chases, pipes, conduit, sleeves, grounds, and other penetrations and adjacent materials.
2.
Coordinate with other work to provide correct size, shape, and location.
I.
During the progress of the work, cover top of unfinished stone masonry work for protection from weather.
3.9
FIELD QUALITY CONTROL
 
** NOTE TO SPECIFIER ** Include for testing of mortar and grout when assurance of mix quality is critical to the project
 
A.
Test mortar and grout in accordance with Section 01 11 13 - Work Covered by Contract Documents.
B.
Testing of Mortar Mix: In accordance with ASTM C780, Annex A4, for mortar aggregate ratio and ASTM C 780, Annex A5, for mortar water content.
3.10
PROTECTION
A.
Protect installed products until completion of project.
B.
Cover the top of unfinished stone masonry work to protect it from the weather.
C.
Touch-up, repair or replace damaged products before Substantial Completion.
3.11
CLEANING
 
** NOTE TO SPECIFIER ** Some methods for removing hardened mortar involve the use of methods and materials such as strong acid, and overaggressive sandblasting, and high-pressure cleaning, which are harmful to stone masonry units and are not recommended by Krukowski Stone Co., Inc..
 
A.
Keep face of stone free of mortar as work progresses.
B.
If residual mortar is on face of stone, allow drying partially and brushing mortar off surface and sponge off residue.
C.
When work is complete and mortar has set for 2 to 3 days, clean surface from top to bottom using mild masonry detergent.
D.
Do not use harsh cleaning materials or methods that could damage stone
E.
Do not use metal brushes or acids for cleaning
END OF SECTION