MasterFormat: 95

Download this Specification for   WORD | WP | RTF | TEXT

Find over 500 more construction specifications | Arcat.com

	SECTION 04730
	SIMULATED STONE
	Display hidden notes to specifier by using "Tools"/"Options"/"View"/"Hidden Text".
	** NOTE TO SPECIFIER ** ; simulated stone and accessories for wall systems applications. . This section is based on the products of CanyonRock, which is located at: 1361 Alps Rd. Wayne, NJ 07470 Tel: 973-628-3000 Fax: 973-628-3451 Email: cfontenot@gaf.com Web: www.gaf.com
	[ Click Here ] for additional information. CanyonRock: Durable, attractive, manufactured stone designed interior and exterior veneer applications. Concrete masonry veneer unit of lightweight aggregate concrete with a proprietary surface coating and grooved attachment surface. .
	PART 1	GENERAL
	1.1	SECTION INCLUDES
		A.	Manufactured stone veneer.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 06100 - Rough Carpentry.
		B.	Section 07620 - Sheet Metal Flashing and Trim.
		C.	Section 07900 - Joint Sealers.
		D.	Section 10300 - Fireplaces and Stoves.
	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 C91 - Standard Specification for Masonry Cement.
		B.	ASTM C44 - Standard Specification for Aggregate for Masonry Mortar.
		C.	ASTM C150 - Standard Specification for Portland Cement.
		D.	ASTM C177 - Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus.
		E.	ASTM C207 - Standard Specification for Hydrated Lime for Masonry Purposes.
		F.	ASTM C270 - Standard Specification for Mortar for Unit Masonry.
		G.	ASTM C359 - Standard Test method for Early Stiffening of Hydraulic Cement (Mortar Method).
		H.	ASTM C387 - Standard Specification for Packaged, Dry, Combined Materials for Mortar and Concrete.
		I.	ASTM C482 - Standard Test Method for Bond Strength of Ceramic Tile to Portland Cement.
		J.	ASTM C567 - Standard Specification for Determining Density of Structural Lightweight Concrete.
		K.	ASTM C847 - Standard Specification for Metal Lath.
		L.	ASTM C979 - Standard Specification for Pigments for Integrally Colored Concrete.
		M.	ASTM C1262 - Standard Test Method for Evaluating the Freeze-Thaw Durability of Manufactured Concrete Masonry Units and Related Concrete Units.
		N.	ASTM C1372 - Standard Specification for Segmental Retaining Wall Units.
		O.	RILEM 11.4 - Measurement of Water Absorption Under Low Pressure.
		P.	UL 723 - Standard for Safety for Surface Burning Characteristics of Building Materials.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	[ Product Data ]: Manufacturer's data sheets on each product to be used, showing compliance with requirements.
		C.	Shop Drawings: Submit elevations, sections and details of assembly components, connection to substrate and weather sealing.
	** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
		D.	Selection Samples: Two complete sets of color cards representing manufacturer's full range of available colors and styles.
		E.	Manufacturer's installation instructions, showing required preparation and installation procedures.
	1.5	QUALITY ASSURANCE
		A.	Provide a building cladding system that is designed, manufactured and installed to provide a natural stone appearance and capable of repelling moisture.
		B.	Manufacturer Qualifications: Company specializing in manufacturing the veneer system products specified.
	** NOTE TO SPECIFIER ** Certification is only required when offering enhanced warranties. Delete if not required.
		C.	Installer Qualifications: Certified and trained by manufacturer.
			1.	Install products in accordance with all federal, state and local building codes.
			2.	Work shall be performed in a manner consistent with prevailing OSHA guidelines.
	** 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.
		D.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
			1.	Finish areas designated by Architect.
			2.	Do not proceed with remaining work until workmanship, color and sheen are approved by Architect.
			3.	Refinish mock-up area as required to produce acceptable work.
	** NOTE TO SPECIFIER ** The following pre-installation meeting is suggested for all projects. Delete if not required.
		E.	Conduct a pre-installation meeting to verify all products, application procedures, site conditions and warranty terms. Conduct this and all meetings in accordance with Section 01310.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened labeled packaging until ready for installation.
		B.	Store products in a covered, ventilated area, at temperature not more than 110 degrees F (43 degrees C); do not store near steam pipes, radiators, or in sunlight.
		C.	Store materials on flat surface to maximum height recommended by manufacturer; store rolls on end.
	1.7	SITE CONDITIONS
		A.	Proceed with work only when existing and forecasted weather conditions will permit work to be performed in accordance with manufacturer's recommendations.
	1.8	WARRANTY
	** NOTE TO SPECIFIER ** Extended warranty available with enhanced systems construction. Delete warranty not required.
		A.	Provide to the Owner an original of the manufacturer's fully executed pre-printed Lifetime Smart Choice limited material warranty.
		B.	Provide to the Owner an original of the manufacturer's fully executed pre-printed Lifetime Smart Choice System Plus warranty.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: CanyonRock, which is located at: 1361 Alps Rd. ; Wayne, NJ 07470; Tel: 973-628-3000; Fax: 973-628-3451; Email: cfontenot@gaf.com; Web: www.gaf.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 01600.
	2.2	When submitting request for substitution, provide complete [ Product Data ] specified above under Submittals, for each substitute product.
	2.3	WALL PROTECTION
	** NOTE TO SPECIFIER ** Delete wall protection material not required.
		A.	Building Paper: Heavyweight, breathable asphalt impregnated kraft sheathing paper. Designed to provide a high level of moisture resistance, tensile strength, and puncture resistance while maintaining adequate vapor permeability and pliability. Conforms to Federal Specification UU-B-790a, Type-1. Grade D; UBC Standard 14-1. Each roll contains approximately 240 sf. (22.3 sm), 15 lb (6.8 kg), 40 inches by 72 feet (1 m by 22 m).
			1.	Leatherback Super Plasterkraft 60 Building Paper as manufactured by GAF.
		B.	Building Paper: Heavyweight, breathable, asphalt impregnated kraft sheathing paper. Designed to provide a high level of moisture resistance, tensile strength, and puncture resistance while maintaining adequate vapor permeability and pliability. Meets or exceeds the requirements of ASTM D226 Type I. Each roll contains approximately 240 sf. (22.3 sm), 15 lb (6.8 kg), 40 inches by 72 feet (1 m by 22 m).
			1.	Leatherback Building Paper as manufactured by GAF.
		C.	Leak Barrier: Self-adhering, self sealing, bituminous leak barrier surfaced with a smooth polyethylene film. Each Roll contains approx. 200 sf, 85 lb (38.6 kg), 36 inches by 66.7 feet. 60 mils (1.5 mm) thick.
			1.	StormGuard Leak Barrier as manufactured by GAF.
	2.4	STONE VENEER
	** NOTE TO SPECIFIER ** Delete stone types not required.
		A.	Manufactured Stone: Durable, attractive, manufactured stone designed for dry-stacked interior and exterior veneer applications. Lightweight aggregate concrete with a proprietary surface coating and grooved attachment surface. Simulates uncut sedimentary rocks commonly found in the southern United States. Meets or exceeds the requirements of ASTM C1262, ASTM C1372 and RILEM 11.4, Premium Natural Ledgestone, by GAF Materials Corporation.
	** NOTE TO SPECIFIER ** Delete stone colors not required.
			1.	Color: Country Hayfield.
			2.	Color: Cedar Blush.
			3.	Color: Black Oak.
			4.	Color: River Bed Brown.
			5.	Color: Earthen Blend.
		B.	Manufactured Stone: Durable, attractive, manufactured stone designed for dry-stacked interior and exterior veneer applications. Lightweight aggregate concrete with a proprietary surface coating and grooved attachment surface. Simulates square chiseled sedimentary rocks commonly found in the southern and Midwestern United States. Meets or exceeds the requirements of ASTM C1262, ASTM C1372 and RILEM 11.4, Premium Stacked Ledgestone, by GAF Materials Corporation.
	** NOTE TO SPECIFIER ** Delete stone colors not required.
			1.	Color: Autumn Grey.
			2.	Color: Cinnamon Harvest.
			3.	Color: Earthen Blend.
			4.	Color: Mountain Blush.
			5.	Color: Golden Birch.
		C.	Manufactured Stone: Durable, attractive, manufactured stone designed for dry-stacked interior and exterior veneer applications. Lightweight aggregate concrete with a proprietary surface coating and grooved attachment surface. Simulates broken and stacked sedimentary rocks commonly found in the southern and Midwestern United States. Meets or exceeds the requirements of ASTM C1262, ASTM C1372 and RILEM 11.4, Premium Designer Ledgestone, by GAF Materials Corporation.
	** NOTE TO SPECIFIER ** Delete stone colors not required.
			1.	Color: Honey Wheat.
			2.	Color: Summer Sand.
			3.	Color: Winter Frost.
			4.	Color: Adobe Sunset
		D.	Manufactured Stone: Durable, attractive, manufactured stone designed for grout-jointed interior and exterior veneer applications. Lightweight aggregate concrete with a proprietary surface coating and grooved attachment surface. Simulates river washed or tumbled stone commonly found in coastal regions and northern portions of the United States. Meets or exceeds the requirements of ASTM C1262, ASTM C1372 and RILEM 11.4, Premium Brookstone, by GAF Materials Corporation.
	** NOTE TO SPECIFIER ** Delete stone colors not required.
			1.	Color: Coastal Vineyard.
			2.	Color: Desert Spring.
			3.	Color: Silvered Plum.
			4.	Color: Charcoal Dusk.
		E.	Manufactured Stone: Durable, attractive, manufactured stone designed for grout-jointed interior and exterior veneer applications. Lightweight aggregate concrete with a proprietary surface coating and grooved attachment surface. Simulates natural broken sedimentary stone common to the Desert, Basin and Range and Great Plains regions of the United States. Meets or exceeds the requirements of ASTM C1262, ASTM C1372 and RILEM 11.4, Premium Classic Fieldstone, by GAF Materials Corporation.
	** NOTE TO SPECIFIER ** Delete stone colors not required.
			1.	Color: Storm Cloud Grey.
			2.	Color: Weathered Bronze.
			3.	Color: Mountainside Bronze.
			4.	Color: Aged Chestnut.
	2.5	ACCESSORY STONES
		A.	Sills and Water Tables: Durable, attractive, manufactured stone accessory designed for placement beneath windows or other openings or to divide wall sections horizontally. Each unit 20 inches (508 mm) long by 3 inches (76 mm) wide by 2 or 2-1/2 inches (51 or 63 mm) high with a 16 percent (2:12) taper.
		B.	Trim Stones: Durable, attractive, manufactured stone accessory designed for accenting and trimming around openings and as plinth / fixture block. Each unit 8 inches (203 mm) long by 6 inches (152 mm) wide by 2 inches (51 mm) high.
		C.	Keystones: Durable, attractive, manufactured stone accessory designed as a center accent above windows, doors, arches or other wall openings. Each unit 10 inches (254 mm) long by 8 or 6 inches (203 or 152 mm) wide by 2 inches (51 mm) high.
		D.	Lintels: Durable, attractive, manufactured stone accessory designed for installation above windows and doors. Each unit 22 inches (559 mm) long by 6 inches (152 mm) wide by 2-1/2 inches (63 mm) high.
		E.	Hearthstones: Durable, attractive, manufactured stone accessory designed for installation in front of fireplaces as hearth extensions. Each unit 20 inches (508 mm) long by 20 inches (508 mm) wide by 2 inches (51 mm) high.
		F.	Quoins: Durable, attractive, manufactured stone accessory designed for installation in conjunction with or in lieu of corner stones to provide a bolder "Stacked Cornerstone" appearance. Each unit 9 or 15 inches (381 or 228 mm) long by 2 inches (51 mm) wide by 9-1/2 inches (241 mm) high.
	2.6	MORTAR
		A.	Pre-blended, sanded mortar mix specifically designed for installation of unit masonry, stone or brick. Meets or exceeds requirements of ASTM C270.
	2.7	MATERIALS
		A.	Portland Cement: Meeting or exceeding the requirements of ASTM C150.
		B.	Masonry Sand: Meeting or exceeding the requirements of ASTM C144.
		C.	Lime: Meeting or exceeding the requirements of ASTM C207.
	** NOTE TO SPECIFIER ** Required for colored setting mortars and grouts only. Delete if not required.
		D.	Iron Oxide Pigments: Meeting or exceeding the requirements of ASTM C979.
	** NOTE TO SPECIFIER ** Required for "enhanced" warranty only. Delete if not required.
		E.	Bonding Agent: As recommended by stone manufacturer.
	** NOTE TO SPECIFIER ** Not required for sound masonry surfaces. Delete if grout not required.
		F.	Metal Lath: Flat diamond steel mesh, minimum 2.5 lb/sy (1.37 kg/sm). Meeting or exceeding the requirements of ASTM C847.
	** NOTE TO SPECIFIER ** Delete if not required.
		G.	Metal Flashing:
	** NOTE TO SPECIFIER ** Delete metal flashing material not required.
			1.	24 gauge (.607 mm) hot-dipped galvanized steel sheet, complying with ASTM A653/A 653M, G90/Z275. Minimum 2.5 lb/sy (1.37 kg/sm).
			2.	16-oz/sf (5 kg/sm) copper sheet, complying with ASTM B 370.
			3.	0.032-inch (.8 mm) aluminum sheet, complying with ASTM B 209.
	** NOTE TO SPECIFIER ** Delete if not required.
		H.	Joint Sealer: Clear water based silane or siloxane masonry sealer.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not begin installation until substrates have been properly prepared.
		B.	If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
	** NOTE TO SPECIFIER ** Delete exterior stone provision if not required.
		C.	Verify roofs have gutters or water diffusers to direct moisture away from the stone exterior walls.
	3.2	PREPARATION
		A.	Clean surfaces thoroughly prior to installation.
		B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
	3.3	INSTALLATION - GENERAL
		A.	Install in accordance with manufacturer's instructions.
	** NOTE TO SPECIFIER ** Delete flashing provision if not required.
		B.	Inspect metal drip flashings above all windows, doors and penetrations to hinder moisture infiltration. Install where damaged or missing in previous wall installation.
	3.4	WALL PROTECTION INSTALLATION
	** NOTE TO SPECIFIER ** Delete substrate construction if not required.
		A.	Wood, Gypsum, Rigid Insulation or Composite Sheathing:
			1.	Install one layer of wall protection over the entire substrate horizontally with a minimum 2 inches (51 mm) water-shedding lap. Vertical laps shall be a minimum of 6 inches (152 mm). Attach to the substrate with fasteners appropriate to the type of sheathing.
			2.	Attach metal lath to sheathing with fasteners appropriate to the substrate. Fasteners shall be long enough to penetrate through the sheathing and a minimum of 1 inch (25 mm) into dimensional lumber. Fasteners shall be spaced 6 inches (152 mm) on center vertically on every 16 inches (406 mm) on center wall stud.
	** NOTE TO SPECIFIER ** Enhanced Warranty construction requirements. Delete substrate construction if not required.
		B.	Wood, Gypsum, Rigid Insulation or Composite Sheathing:
			1.	Install one layer of wall protection over the entire substrate horizontally with a minimum 21 inches (533 mm) water-shedding lap. Vertical laps shall be a minimum of 6 inches (152 mm). Attach to the substrate with fasteners appropriate to the type of sheathing.
			2.	Attach metal lath to sheathing with fasteners appropriate to the substrate. Fasteners shall be long enough to penetrate through the sheathing and a minimum of 1 inch (25 mm) into dimensional lumber. Fasteners shall be spaced 6 inches (152 mm) on center vertically on every 16 inches (406 mm) on center wall stud.
			3.	Wrap all exterior windows, doors, openings and penetrations with 6 inches (152 mm) wide strips of self-adhering, self sealing, bituminous leak barrier specified.
	** NOTE TO SPECIFIER ** Delete substrate construction if not required.
		C.	Masonry Surfaces:
			1.	Remove coatings and repair deteriorated masonry substrate surfaces to a structurally sound condition.
	** NOTE TO SPECIFIER ** Wall protection and lath is not required unless paints, coatings or sealers cannot be removed or surfaces are substantially deteriorated. Delete if not required.
			2.	Attach metal lath to masonry substrate with fasteners appropriate to the substrate. Fasteners shall be long enough to penetrate through the sheathing and a minimum of 1 inch (25 mm) into dimensional lumber. Fasteners shall be spaced 16 inches (406 mm) on center vertically and horizontally.
				a.	Do not use powder actuated fasters when attaching lath to brick surfaces.
	** NOTE TO SPECIFIER ** Enhanced Warranty construction requirements. Contact GAF Contractor Services for more information on buildings with alternate fastener spacing methods. Delete substrate construction if not required.
		D.	Masonry Surfaces:
			1.	Attach metal lath to masonry substrate with fasteners appropriate to the substrate. Fasteners shall be long enough to penetrate through the sheathing and a minimum of 1 inch (25 mm) into dimensional lumber. Fasteners shall be spaced 16 inches (406 mm) on center vertically and horizontally.
				a.	Do not use powder actuated fasters when attaching lath to brick surfaces.
	3.5	STONE INSTALLATION
		A.	Mortar:
	** NOTE TO SPECIFIER ** Delete mortar type not required.
			1.	Type N mortar shall be used in all locations. Consistency may vary based on application.
			2.	Type S mortar shall be used in all locations. Consistency may vary based on application.
			3.	Mix mortar components thoroughly in accordance with ASTM C359.
			4.	When packaged, pre-blended mortar is used, follow mixing recommendations and handling guidelines of the mortar manufacturer.
	** NOTE TO SPECIFIER ** Delete if not required.
			5.	Iron oxide pigments shall be added as required for setting mortar and/or grout. Refer to drawings for application and color. Follow pigment manufacturers guidelines for proper handling and mixing.
		B.	Scratch Coat:
			1.	Using a finish trowel, apply a nominal 1/2 inch (13 mm) coat of mortar over the entire working surface.
			2.	Create and maintain a rough, etched surface to improve the bond between the scratch coat and the stone.
			3.	Allow mortar to set 24 hours prior to application of stones.
	** NOTE TO SPECIFIER ** Delete if not required.
		C.	Stone Installation - Dry Stack Method:
			1.	Keep stones, masonry surfaces and scratch coat moist during the installation process.
	** NOTE TO SPECIFIER ** Delete if enhanced warranty not required.
			2.	Just prior to installing stone, apply a coat of bonding agent over a work area that can be covered within 30 minutes.
			3.	Where possible, begin installation at the corners. Always begin at the lowest point of the installation surface.
			4.	Using a trowel, apply a 1/2 inch (13 mm) to 3/4 inch (19 mm) coat of setting mortar to the back of each stone.
			5.	Position stones so that they are stacked on top of and adjacent to subsequent stones with no joints greater than 1/4 inch (6 mm). Press each stone into the bed of mortar to create a quality bond. Mortar should push out of the sides of the stone equally in all directions.
			6.	Leave a 1/8 inch (3 mm) relief gap around all penetrations. Fill the gap with masonry joint sealer.
			7.	Strike off all excess mortar from around the stone prior to placing subsequent stones.
			8.	Position and stack stones directly above and adjacent to subsequent stones. Vertical joints shall not line up.
			9.	Remove excess mortar from the faces of the stones before mortar sets up.
			10.	Use proper tools and techniques to cut stones, to avoid damage or injury.
			11.	When stones are cut, install the cut side facing up when above eye level and facing down when below eye level.
	** NOTE TO SPECIFIER ** Delete if not required.
		D.	Stone Installation - Grouted Method:
			1.	Keep stones, masonry surfaces and scratch coat moist during the installation process.
	** NOTE TO SPECIFIER ** Delete if enhanced warranty not required.
			2.	Just prior to installing stone, apply a coat of bonding agent over a work area that can be covered within 30 minutes.
			3.	Using a trowel, apply a 1/2 inch (13 mm) to 3/4 inch (19 mm) coat of setting mortar to the back of each stone.
			4.	Position stones so that no joints greater than 3/4 inch (19 mm) are present. Press each stone into the moistened scratch coat to create a quality bond. Place stone so mortar pushes out of the sides of the stone equally in all directions.
			5.	Remove excess mortar from the faces of the stones and strike joints for grouting before setting mortar sets up.
			6.	Use proper tools and techniques to cut stones, to avoid damage or injury.
			7.	When stones must be cut, install the cut side facing up when above eye level and facing down when below eye level.
			8.	Grout all mortar joints before stone setting mortar cures.
				a.	Using a grout bag, apply mortar to the joints evenly and completely, keeping from spilling onto the faces of the stones.
				b.	Allow mortar to partially set before striking joints.
				c.	Strike joints to achieve the proper depth and texture required. Grout depth shall be approximately 70 percent of the thickness of the stone.
	3.6	CLEANING
		A.	Clean stones with mild detergents and a nylon or plastic bristled brush. Do not pressure-wash or clean with muriatic acid or metal wire brushes.
		B.	Minor scuff marks can be removed by using fine (00 or 0) grade steel wool on the surface.
	3.7	PROTECTION
		A.	Protect installed products until completion of project. Protect finished work from ice melting salts or other chlorine based chemicals.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION