SECTION 07 46 23

ENGINEERED BAMBOO RAINSCREEN CLADDING AND SIDING SYSTEM

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Exterior Lamboo Rainscreen Cladding System:
1.	Concealed Rainscreen Lamboo Titanclips and starter rail.
2.	Pre-drilled furring board (if applicable)
3.	Milled Lamboo cladding/siding.
4.	Milled Lamboo corner trim and termination trim. 
B.	Exterior rainscreen wall cladding and siding systems.
C.	Interior rainscreen wall cladding and siding systems.
D.	Soffit systems.
1.2	RELATED SECTIONS
A.	Section 03 30 00 - Cast-in-Place Concrete.
B.	Section 04 20 00 - Unit Masonry.
C.	Section 05 40 00 - Cold-Formed Metal Framing.
D.	Section 06 10 00 - Rough Carpentry.
E.	Section 06 11 00 - Wood Framing.
F.	Section 06 16 36 - Wood Panel Product Sheathing.
G.	Section 06 20 00 - Finish Carpentry.
H.	Section 06 20 13 - Exterior Finish Carpentry.
I.	Section 07 05 10 - Rainscreen Drainage Mat.
J.	Section 07 10 00 - Dampproofing and Waterproofing.
K.	Section 07 19 13 - Acrylic Water Repellents.
L.	Section 07 24 00 - Exterior Insulation and Finish Systems.
M.	Section 07 27 00 - Air Barriers.
N.	Section 07 44 53 - Glass-Fiber-Reinforced Cementitious Panels.
O.	Section 07 46 16 - Aluminum Siding.
P.	Section 07 50 00 - Membrane Roofing.
Q.	Section 07 60 00 - Flashing and Sheet Metal.
R.	Section 07 62 00 - Sheet Metal Flashing and Trim.
S.	Section 07 65 00 - Flexible Flashing.
T.	Section 07 90 00 - Joint Protection.
U.	Section 08 40 00 - Entrances, Storefronts, and Curtain Walls.
V.	Section 08 50 00 - Windows.
W.	Section 09 24 13 - Adobe Finish.
1.3	REFERENCES
A.	ASTM International (ASTM): 
1.	ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
1.4	SUBMITTALS
A.	Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.	Product Data:
1.	Manufacturer's data sheets on each product to be used.
2.	Preparation instructions and recommendations.
3.	Storage and handling requirements and recommendations.
4.	Installation methods.
C.	Verification Samples: Two representative units of each finish product specified.
1.	Sample Size: 12 inches (305 mm) boards of chosen wood species milled to rainscreen clip pattern for use on soffits and ceilings.
2.	Rainscreen system to be used with tinted finish applied to 12-inches (305 mm) long sample.
D.	Shop Drawings: Provide manufacturer's standard details referenced to exterior and interior elevations of the project drawings; include details of materials, construction and finish. Include relationship with adjacent construction. 
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum 8 years documented experience.
B.	Installer Qualifications: Company specializing in performing Work of this section with minimum 5 years documented experience with projects of similar scope and complexity.
C.	Source Limitations: Each type of product from a single manufacturing source to ensure uniformity.
D.	Mock-Up: Construct a mock-up with actual materials in sufficient time for Architect's review and to not delay construction progress. Locate mock-up as acceptable to Architect and provide temporary foundations and support.
1.	Mockup of rainscreen system complete with milled rainscreen, chosen dimension, and chosen profile, marine grade extruded aluminum starter rail, marine grade extruded aluminum rainscreen clips and No. 10 x 1 inch (25 mm) pan head screws, No. 3 square head screws, or No. 10 x 1 inch (25 mm) trim head T25 stainless steel screws.
2.	Intent of mock-up is to demonstrate quality of surface preparation techniques and application workmanship.
3.	If mock-up is not acceptable, rebuild mock-up until satisfactory results are achieved.
4.	Retain mock-up during construction as a standard for comparison with completed work. 
5.	Do not alter or remove mock-up until work is completed or removal is authorized. 
1.6	PREINSTALLATION CONFERENCE
A.	Convene a conference approximately two weeks before scheduled commencement of the Work. Attendees shall include Architect, Contractor and trades involved. Agenda shall include schedule, responsibilities, critical path items and approvals.
1.	Meet at project site prior to delivery of finish carpentry materials and review condition and environmental controls required for proper installation and ambient conditioning in areas to receive work.
2.	Proceed with finish carpentry when everyone concerned agrees that required ambient conditions can be properly maintained.
3.	Sequencing: Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
1.7	DELIVERY, STORAGE, AND HANDLING
A.	Deliver and store products in manufacturer's packaging bearing the brand name and manufacturer's identification until ready for installation.
1.	Include in delivery of material a complete list of items shipped to include Lamboo Rainscreen, board length, hardware, finish and any other product accessories delivered with the rainscreen system.
2.	Rainscreen system shall be delivered on a tarped flatbed truck or an enclosed van for small quantities. Keep rainscreen tarped or store indoors until installation.
3.	Do not deliver finish carpentry materials until painting, wet work, grinding, and similar operation which could damage, soil or deteriorate rainscreen have been completed in installation areas. If finish carpentry must be stored in other than the installation areas, store only in areas meeting requirements specified for installation areas.
B.	Store and handle in strict compliance with manufacturer's written instructions and recommendations.
C.	Protect from damage due to weather, excessive temperature, and construction operations.
1.	Protect finish carpentry during transit, delivery, storage and handling to prevent damage, soiling, and deterioration. 
2.	Do not allow finish carpentry to get wet.
1.8	PROJECT CONDITIONS
A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.9	WARRANTY
A.	Manufacturer's Warranty: Provide manufacturer's standard limited warranty against defects in materials and workmanship.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Lamboo Technologies, which is located at: P. O. Box 195; Litchfield, IL 62056; ASD Toll Free Tel: 866-966-2999; Fax: 217-250-2198; Email: request info; Web: https://www.lamboo.us 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00.
2.2	WOOD MATERIALS
A.	Engineered Bamboo: Lamboo Rainscreen for exterior and interior applications.
1.	Fire Resistance: ASTM E84 Class B.
2.	Fire Resistance: ASTM E84 Class A.
3.	Toxicity: Low VOC adhesives, does not produce off-gassing when sanding, profiling or handling materials.
4.	Anti-Microbial Properties: Naturally anti-bacterial materials.
5.	Pests and Insects: Bamboo includes silica fibers to help resist insects and wood eating pests.
6.	Density and Buoyancy:
a.	Janka Rating: 1,900 lbf (8.45 kN).
b.	Average Weight: 44 lbs/cubic foot (704 kg/cubic meter).
c.	Specific Gravity: 0.60.
7.	Workability: Adhesives, binders and treatments specific to application as recommended by manufacturer.
2.3	EXTERIOR RAINSCREEN WALL CLADDING AND SIDING SYSTEMS
A.	Exterior Finished Rainscreen Cladding Boards: Lamboo Exterior Rainscreen Wall Cladding and Siding Systems as manufactured by Lamboo.
1.	Milled groove separating cladding boards. 
2.	Board Length: 8 ft (2438 mm) lengths; EXT-8.
3.	Board Length: 10 ft (3048 mm) lengths; EXT-10.
4.	Board Length: 12 ft (3858 mm) lengths; EXT-12.
5.	Board Length: 16 ft (4879 mm) lengths; EXT-16.
6.	Board Length: Custom, as indicated on Drawings.
7.	Board Thickness: 11/16 inch (17 mm) thick for all board widths.
8.	Rainscreen Cladding: 3 inches (76 mm). Face Width: 2-3/4 inches (70 mm).
a.	Finish: LAMRSH-104-EXT Finished Vertical Hazel.
b.	Finish: LAMRSG-104-EXT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-104-EXT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-104-EXT Finished Vertical Butternut. 
e.	Finish: LAMRSO-104-EXT Finished Vertical Fawn. 
9.	Rainscreen Cladding: 5 inches (127 mm). Face Width: 4-3/4 inches (120 mm).
a.	Finish: LAMRSH-106-EXT Finished Vertical Hazel.
b.	Finish: LAMRSG-106-EXT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-106-EXT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-106-EXT Finished Vertical Butternut. 
e.	Finish: LAMRSO-106-EXT Finished Vertical Fawn.
10.	Rainscreen Cladding: 7 inches (178 mm). Face Width: 6-9/16 inches (167 mm).
a.	Finish: LAMRSH-108-EXT Finished Vertical Hazel.
b.	Finish: LAMRSG-108-EXT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-108-EXT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-108-EXT Finished Vertical Butternut. 
e.	Finish: LAMRSO-108-EXT Finished Vertical Fawn.
11.	Aluminum Fasteners: 
a.	Architectural grade extruded aluminum rainscreen 'wall clips' with a T6-6063 corrosion resistant coating; TitanClip0716.
b.	Architectural grade extruded aluminum rainscreen 'starter rail' with a T6-6063 corrosion resistant coating; TitanRail0716.
12.	Anchorages for Exterior Rainscreens: Pan Head No. 3 Square Drive Stainless Steel Rainscreen Clip Screws, No. 10 x 1 inch (25 mm); SS-3SQ-10x1.
B.	Trim System: Lamboo Trim System as manufactured by Lamboo.
1.	Inside Corners: 8 ft (2438 mm) lengths; LAMRS-IC-EXT-8.
2.	Inside Corners: 10 ft (3048 mm) lengths; LAMRS-IC-EXT-10.
3.	Inside Corners: 12 ft (3858 mm) lengths; LAMRS-IC-EXT-12.
4.	Inside Corners: 16 ft (4879 mm) lengths; LAMRS-IC-EXT-16.
5.	Outside Corners: 8 ft (2438 mm) lengths; LAMRS-OC-EXT-8.
6.	Outside Corners: 10 ft (3048 mm) lengths; LAMRS-OC-EXT-10.
7.	Outside Corners: 12 ft (3858 mm) lengths; LAMRS-OC-EXT-12.
8.	Outside Corners: 16 ft (4879 mm) lengths; LAMRS-OC-EXT-16.
9.	Door Trim: Factory finished, 8 ft (2438 mm) lengths; LAMRS-DT-EXT-8.
10.	Door Trim: Factory finished, 10 ft (3048 mm) lengths; LAMRS-DT-EXT-10.
11.	Door Trim: Factory finished, 12 ft (3858 mm) lengths; LAMRS-DT-EXT-12.
12.	Door Trim: Factory finished, 16 ft (4879 mm) lengths; LAMRS-DT-EXT-16.
13.	Window Trim: Factory finished, 8 ft (2438 mm) lengths; LAMRS-WT-EXT-8.
14.	Window Trim: Factory finished, 10 ft (3048 mm) lengths; LAMRS-WT-EXT-10.
15.	Window Trim: Factory finished, 12 ft (3858 mm) lengths; LAMRS-WT-EXT-12.
16.	Window Trim: Factory finished, 16 ft (4879 mm) lengths; LAMRS-WT-EXT-16.
C.	Touch-up Finishing:
1.	Stain: LAMRS-TU-HAZ-QT-EXT Hazel; Quart.
2.	Stain: LAMRS-TU-GLDHNY-QT-EXT Golden Honey; Quart.
3.	Stain: LAMRS-TU-AMBER-QT-EXT Deep Amber; Quart.
4.	Stain: LAMRS-TU-BUTTERNUT-QT-EXT Butternut; Quart.
5.	Stain: LAMRS-TU-OXFORD-QT-EXT Fawn; Quart.
6.	Stain: LAMRS-TU-HAZ-GAL-EXT Hazel; Gallon.
7.	Stain: LAMRS-TU-GLDHNY-GAL-EXT Golden Honey; Gallon.
8.	Stain: LAMRS-TU-AMBER-GAL-EXT Deep Amber; Gallon.
9.	Stain: LAMRS-TU-BUTTERNUT-GAL-EXT Butternut; Gallon.
10.	Stain: LAMRS-TU-OXFORD-GAL-EXT Fawn; Gallon.
D.	Exterior Vapor Barriers: As specified in Division 7 and as indicated on Drawings.
2.4	INTERIOR RAINSCREEN WALL CLADDING AND SIDING SYSTEMS
A.	Interior Finished Rainscreen Cladding Boards: Lamboo Interior Rainscreen Wall Cladding and Siding Systems as manufactured by Lamboo.
1.	Milled groove separating cladding boards. 
2.	Board Lengths: 8 ft (2438 mm) lengths; INT-8.
3.	Board Lengths: 10 ft (3048 mm) lengths; INT-10.
4.	Board Lengths: 12 ft (3858 mm) lengths; INT-12.
5.	Board Lengths: 16 ft (4879 mm) lengths; NIT-16.
6.	Board Lengths: Custom, as indicated on Drawings.
7.	Board Thickness: 11/16 inch (17 mm) thick for all board widths.
8.	Rainscreen Cladding: 3 inches (76 mm). Face Width: 2-3/4 inches (70 mm).
a.	Finish: LAMRSH-104-INT Finished Vertical Hazel.
b.	Finish: LAMRSG-104-INT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-104-INT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-104-INT Finished Vertical Butternut. 
e.	Finish: LAMRSO-104-INT Finished Vertical Fawn. 
f.	Finish: LAMRST-104-INT Finished Tiger Strand. 
9.	Rainscreen Cladding: 5 inches (127 mm). Face Width: 4-3/4 inches (120 mm).
a.	Finish: LAMRSH-106-INT Finished Vertical Hazel.
b.	Finish: LAMRSG-106-INT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-106-INT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-106-INT Finished Vertical Butternut. 
e.	Finish: LAMRSO-106-INT Finished Vertical Fawn.
f.	Finish: LAMRST-106-INT Finished Tiger Strand. 
10.	Rainscreen Cladding: 7 inches (178 mm). Face Width: 6-9/16 inches (167 mm).
a.	Finish: LAMRSH-108-INT Finished Vertical Hazel.
b.	Finish: LAMRSG-108-INT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-108-INT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-108-INT Finished Vertical Butternut. 
e.	Finish: LAMRSO-108-INT Finished Vertical Fawn.
f.	Finish: LAMRST-108-INT Finished Tiger Strand. 
11.	Aluminum Fasteners: 
a.	Architectural grade extruded aluminum rainscreen ' wall clips' with a T6-6063 corrosion resistant coating; TitanClip0716.
b.	Architectural grade extruded aluminum rainscreen ' starter rail' with a T6-6063 corrosion resistant coating; TitanRail0716.
12.	Anchorages for Interior Rainscreens: Pan head, Zinc coated steel, Phillips drive, rainscreen rail screws, No. 10, 3/4-inch (19 mm); ZC-PH-10x3/4.
B.	Trim System: Lamboo Trim System as manufactured by Lamboo.
1.	Inside Corners: 8 ft (2438 mm) lengths; LAMRS-IC-INT-8.
2.	Inside Corners: 10 ft (3048 mm) lengths; LAMRS-IC-INT-10.
3.	Inside Corners: 12 ft (3858 mm) lengths; LAMRS-IC-INT-12.
4.	Inside Corners: 16 ft (4879 mm) lengths; LAMRS-IC-INT-16.
5.	Outside Corners: 8 ft (2438 mm) lengths; LAMRS-OC-INT-8.
6.	Outside Corners: 10 ft (3048 mm) lengths; LAMRS-OC-INT-10.
7.	Outside Corners: 12 ft (3858 mm) lengths; LAMRS-OC-INT-12.
8.	Outside Corners: 16 ft (4879 mm) lengths; LAMRS-OC-INT-16.
9.	Door Trim: Factory finished, 8 ft (2438 mm) lengths; LAMRS-DT-INT-8.
10.	Door Trim: Factory finished, 10 ft (3048 mm) lengths; LAMRS-DT-NIT-10.
11.	Door Trim: Factory finished, 12 ft (3858 mm) lengths; LAMRS-DT-INT-12.
12.	Door Trim: Factory finished, 16 ft (4879 mm) lengths; LAMRS-DT-INT-16.
13.	Window Trim: Factory finished, 8 ft (2438 mm) lengths; LAMRS-WT-INT-8.
14.	Window Trim: Factory finished, 10 ft (3048 mm) lengths; LAMRS-WT-INT-10.
15.	Window Trim: Factory finished, 12 ft (3858 mm) lengths; LAMRS-WT-INT-12.
16.	Window Trim: Factory finished, 16 ft (4879 mm) lengths; LAMRS-WT-INT-16.
17.	Stain: LAMRS-TU-HAZEL-QT-INT) Hazel Touch Up Stain; Quart.
18.	Stain: LAMRS-TU-NATURAL-QT-INT) Natural Touch Up Stain; Quart.
19.	Stain: LAMRS-TU-AMBER-QT-INT) Deep Amber Touch Up Stain; Quart.
20.	Stain: LAMRS-TU-COFFEE-QT-INT) Coffee Touch Up Stain; Quart.
21.	Stain: LAMRS-TU-WALNUT-QT-INT) Walnut Touch Up Stain; Quart.
22.	Stain: LAMRS-TU-TIGER-QT-INT) Tiger Strand Touch-Up Stain; Quart.
23.	Stain: LAMRS-TU-HAZEL-GAL-INT) Hazel Touch Up Stain; Gallon.
24.	Stain: LAMRS-TU-NATURAL-GAL-INT) Natural Touch Up Stain; Gallon.
25.	Stain: LAMRS-TU-AMBER-GAL-INT) Deep Amber Touch Up Stain; Gallon.
26.	Stain: LAMRS-TU-COFFEE-GAL-INT) Coffee Touch Up Stain; Gallon.
27.	Stain: LAMRS-TU-WALNUT-GAL-INT) Walnut Touch Up Stain; Gallon.
28.	Stain: LAMRS-TU-TIGER-GAL-INT) Tiger Strand Touch Up Stain; Gallon.
2.5	SOFFIT SYSTEMS
A.	Exterior Soffit Systems: Lamboo Rainscreen Soffit System as manufactured by Lamboo.
1.	Milled groove separating cladding boards. 
2.	Board Length: 8 ft (2438 mm) lengths; EXT-8.
3.	Board Length: 10 ft (3048 mm) lengths; EXT-10.
4.	Board Length: 12 ft (3858 mm) lengths; EXT-12.
5.	Board Length: 16 ft (4879 mm) lengths; EXT-16.
6.	Board Length: Custom, as indicated on Drawings.
7.	Board Thickness: 11/16 inch (17 mm) thick for all board widths.
8.	Rainscreen Cladding: 3 inches (76 mm). Face Width: 2-3/4 inches (70 mm).
a.	Finish: LAMRSH-104-EXT Finished Vertical Hazel.
b.	Finish: LAMRSG-104-EXT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-104-EXT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-104-EXT Finished Vertical Butternut. 
e.	Finish: LAMRSO-104-EXT Finished Vertical Fawn. 
9.	Rainscreen Cladding: 5 inches (127 mm). Face Width: 4-3/4 inches (120 mm).
a.	Finish: LAMRSH-106-EXT Finished Vertical Hazel.
b.	Finish: LAMRSG-106-EXT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-106-EXT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-106-EXT Finished Vertical Butternut. 
e.	Finish: LAMRSO-106-EXT Finished Vertical Fawn.
10.	Rainscreen Cladding: 7 inches (178 mm). Face Width: 6-9/16 inches (167 mm).
a.	Finish: LAMRSH-108-EXT Finished Vertical Hazel.
b.	Finish: LAMRSG-108-EXT Finished Vertical Golden Honey.
c.	Finish: LAMRSA-108-EXT Finished Vertical Deep Amber.
d.	Finish: LAMRSF-108-EXT Finished Vertical Butternut. 
e.	Finish: LAMRSO-108-EXT Finished Vertical Fawn.
11.	Aluminum Fasteners: 
a.	Architectural grade extruded aluminum rainscreen ' wall clips' with a T6-6063 corrosion resistant coating; TitanClip0716.
b.	Architectural grade extruded aluminum rainscreen ' starter rail' with a T6-6063 corrosion resistant coating; TitanRail0716.
12.	Anchorages for Exterior Rainscreens: Pan Head No. 3 Square Drive Stainless Steel Rainscreen Clip Screws, No. 10 x 1 inch (25 mm); SS-3SQ-10x1.
B.	Exterior Soffit Systems: Lamboo Tongue and Grove Soffit System as manufactured by Lamboo.
1.	Board Length: 8 ft (2438 mm) lengths; EXT-8.
2.	Board Length: 10 ft (3048 mm) lengths; EXT-10.
3.	Board Length: 12 ft (3858 mm) lengths; EXT-12.
4.	Board Length: 16 ft (4879 mm) lengths; EXT-16.
5.	Board Length: Custom, as indicated on Drawings.
6.	Board Thickness: 11/16 inch (17 mm) thick for all board widths.
7.	Tongue and Groove Rainscreen Cladding: 3 inches (76 mm). 
a.	Face Width: 2-3/4 inches (70 mm).
b.	Finish: LAMTGH-104-EXT Finished Vertical Hazel.
c.	Finish: LAMTGG-104-EXT Finished Vertical Golden Honey.
d.	Finish: LAMTGA-104-EXT Finished Vertical Deep Amber.
e.	Finish: LAMTGF-104-EXT Finished Vertical Butternut. 
f.	Finish: LAMTGO-104-EXT Finished Vertical Fawn. 
8.	Tongue and Groove Rainscreen Cladding: 5 inches (127 mm).
a.	Face Width: 4-3/4 inches (120 mm).
b.	Finish: LAMTGH-106-EXT Finished Vertical Hazel.
c.	Finish: LAMTGG-106-EXT Finished Vertical Golden Honey.
d.	Finish: LAMTGA-106-EXT Finished Vertical Deep Amber.
e.	Finish: LAMTGF-106-EXT Finished Vertical Butternut. 
f.	Finish: LAMTGO-106-EXT Finished Vertical Fawn.
9.	Tongue and Groove Rainscreen Cladding: 6-3/4 inches (171 mm). 
a.	Face Width: 6-3/4 inches (171 mm).
b.	Finish: LAMTGH-108-EXT Finished Vertical Hazel.
c.	Finish: LAMTGG-108-EXT Finished Vertical Golden Honey.
d.	Finish: LAMTGA-108-EXT Finished Vertical Deep Amber.
e.	Finish: LAMTGF-108-EXT Finished Vertical Butternut. 
f.	Finish: LAMTGO-108-EXT Finished Vertical Fawn.
10.	Attachments for Tongue and Groove Systems: 
a.	Attachment System Type No. 1: 1-1/4 inch (32 mm) air nailed through the tongue at 12 inches (305 mm) on center.
b.	Attachment System Type No. 2: No. 6 Screw, 1 1/4-inch Stainless Steel Screws screwed through the tongue that is slightly countersunk at 16 inches (406 mm) on center.
C.	Ceiling Trim Strips: Size based on desired profile, as indicated on Drawings.
1.	Plugs for Ceiling Trim Strips: Required.
D.	Ceiling Soffit Substrate: By others, minimum 7/16 inch (11 mm) OSB or equal as approved by manufacturer.
E.	Exterior Vapor Barriers: As specified in Division 7 and as indicated on Drawings.
PART 3    EXECUTION
3.1	EXAMINATION AND PREPARATION
A.	Prepare substrates using the methods recommended by the manufacturer for achieving best result for the substrates under project conditions. Clean surfaces thoroughly prior to installation.
1.	Confirm moisture barrier, supplied by others is installed over wall sheathing prior to beginning installation of rainscreen system. 
B.	Condition wood material for a minimum of 48 hours to average prevailing humidity conditions in installation areas prior to installing.
C.	Do not begin installation until substrates have been properly constructed and prepared.
D.	If preparation is the responsibility of another installer, notify Architect in writing of deviations from manufacturer's recommended installation tolerances and conditions.
3.2	INSTALLATION
A.	Install in accordance with manufacturer's instructions, approved submittals and in proper relationship with adjacent construction.
1.	Refer to Drawings for information pertaining to dimensions of milled siding, treatment of corners; mitered boards or wood corner boards with built-in furring for concealed fastening, and trim for doors and windows with built in furring for concealed fastening.
2.	Discard units of material which are unsound, warped, bowed, twisted, not adequately seasoned, or which are of defective manufacture with respect to surface, size, or pattern.
3.	Install the work plumb, level, and true with no distortions. Shim as required using concealed shims.
4.	Install inside and outside corners with fasteners through the attached flanges directly to sheathing. Fasteners provided by others.
a.	Starter rail.
b.	Siding Ventilation System.
c.	Initial bottom board.
5.	Wall Clips: Add to anchor top of initial bottom board at 20 inches (508 mm) on center for 3 and 5 inch (76 and 127 mm) Rainscreen system and 16 inches (406 mm) on center for 7 inch (178 mm) Rainscreen system.
a.	Add second board.
b.	Add wall clips and repeat until reaching the top of the wall.
c.	Add Siding Ventilation System to top of wall termination for entire length of Rainscreen.
d.	Add Last board and face fasten through Lamboo and Siding Ventilation System then into sheathing.
6.	Use Finish Touch-Up on field cut ends of the rainscreen cladding, transition boards, inside and outside corners. 
B.	Anchorage of Finish Carpentry:
1.	Install engineered corners and window/door trim prior to installation of milled siding boards. 
2.	Exterior Installation: Install extruded aluminum concealed clips securing with supplied pan head square drive stainless steel rainscreen clip screws, No. 10 1 inch (25 mm).
3.	Interior Installation: Install extruded aluminum concealed clips securing with supplied pan head, zinc coated steel, Phillips drive, rainscreen rail screws, No. 10, 3/4-inch (19 mm). 
C.	Coordinate electrical requirements and wiring with millwork installation.
3.3	FIELD QUALITY CONTROL
A.	Field Inspection: Coordinate field inspection in accordance with appropriate sections in Division 01.
3.4	CLEANING AND PROTECTION
A.	Clean and protect products in accordance with the manufacturer's recommendations. Clean finish carpentry work on exposed and semi-exposed surfaces. Apply a complete topcoat of wood finish to all exposed and semi-exposed surfaces.
B.	Repair damaged and defective finish carpentry work wherever possible to eliminate defects functionality and visually; where not possible to repair properly, replace woodwork. Adjust joinery for uniform appearance.
C.	Protect installed products until completion of project. Installer of finish carpentry shall advise Contractor of final protection and maintained conditions necessary to ensure that work will be without damage or deterioration at the time of acceptance.
D.	Touch-up, repair or replace damaged products before Substantial Completion.
E.	Refinish field cuts by applying the final coat of wood finish directly on the cut ends prior to abutting an additional panel and before adding corner trim system. 

END OF SECTION