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	SECTION 09220
	MANUFACTURED STUCCO
	** NOTE TO SPECIFIER ** Multicoat Corp.; Waterproofing Products and Systems. . This section is based on the products of Multicoat Corp., which is located at: 23331 Antonio Pkwy. Rancho Santa Margarita, CA 92688 Tel: 877-685-8426 Fax: (949) 888-2555 Email: info@multicoat.com Web: www.multicoat.com . For over 20 years, MULTICOAT has maintained its reputation for providing the highest caliber of products to the construction industry world wide. Adhering to the strictest specifications in the industry has earned MULTICOAT its superb reputation as leader in its industry.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Exterior Stucco Systems.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 03300 - Cast-In-Place Concrete: Structural concrete walls.
		B.	Section 04220 - Concrete Masonry Units: CMU exterior walls.
		C.	Section 06100 - Rough Carpentry: Fiber Cement Sidngs, Wood sheathing and blocking.
	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 B 117 - Standard Practice for Operating Salt Spray (Fog) Apparatus.
		B.	ASTM C 67 - Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile.
		C.	ASTM C 109 - Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens).
		D.	ASTM C 190 - Method of Test for Tensile Strength of Hydraulic Cement Mortars.
		E.	ASTM C 297 - Standard Test Method for Flatwise Tensile Strength of Sandwich Constructions.
		F.	ASTM D 790 - Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials.
		G.	ASTM D1242 - Standard Test Methods for Resistance of Plastic Materials to Abrasion.
		H.	ASTM D 2247 - Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity.
		I.	ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
		J.	ASTM E 96 - Standard Test Methods for Water Vapor Transmission of Materials.
		K.	ASTM G 23 - Practice for Operating Light-Exposure Apparatus (Carbon-Arc Type) With and Without Water for Exposure of Nonmetallic Materials.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	[ Product Data ]: Manufacturer's data sheets on each product to be used, including:
			1.	Preparation instructions and recommendations.
			2.	Storage and handling requirements and recommendations.
			3.	Installation methods.
		C.	Shop Drawings: Provide manufacturer's approved shop drawings for all flashing conditions and construction methods found on the project.
	** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
		D.	Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.
		E.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and patterns.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: Products listed in this section shall be provided by a single manufacturer with at least ten (10) years experience in manufacturing stucco.
		B.	Installer Qualifications: Products listed in this section shall be installed by a single organization certified by the manufacturer or demonstrate at least five (5) years experience successfully installing stucco on projects of similar type and scope as specified in this section.
	** 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 key types of work on the project.
		C.	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.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened packaging until ready for installation.
		B.	Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.
	1.7	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 absolute limits.
	1.8	WARRANTY
		A.	Provide products that are guaranteed with respect to uniformity and quality within printed specifications.
		B.	At project closeout, provide to the owner an executed copy of the manufacturers limited warranty protecting the applicator from delamination caused by manufacturing defect for a period of five (5) years.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: Multicoat Corp., which is located at: 23331 Antonio Pkwy. ; Rancho Santa Margarita, CA 92688; Toll Free Tel: 877-MULTICOAT (685-8426); Tel: 949-888-7100; Fax: 949-888-2555; Email: request info; Web: www.multicoat.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	APPLICATIONS/SCOPE
	** NOTE TO SPECIFIER ** Systems listed below are for common Multicoat Specialty applications. Do not alter without first contacting Multicoat for suitability. Coordinate required products with subsequent articles accordingly.
		A.	ICF Stucco System:
			1.	Substrate: Insulated Concrete Form (ICF) Block.
			2.	Base Coat: MultiBase.
			3.	Reinforcement: Fiberglass Mesh.
			4.	Surfacing: Multi-Tex Stucco Mix.
		B.	Multi-Tex Stucco System:
	** NOTE TO SPECIFIER ** Select substrate. Delete two of the next three paragraphs.
			1.	Substrate: Primed Fiber cement siding.
			2.	Substrate: Poured Concrete.
			3.	Substrate: CMU Blocks.
			4.	Polyurethane Caulking.
			5.	Seam Tape: Multicoat Elastomeric Joint Tape.
			6.	Surfacing: Multi-Tex Stucco Mix.
	** NOTE TO SPECIFIER ** Retain only coating materials that are specifically required on this project. Delete all others not required.
	2.3	MATERIALS
		A.	MultiBase: 65 lb. (29.5 kg) bags; coverage 65 to 80 square feet (6.0 - 7.4 sm) per bag.
			1.	Color: Grey.
			2.	Physical Performance.
				a.	Weatherometer - ASTM G 23: 2000 Hours.
				b.	45 Day Compressive Strength - ASTM C 109: 2595 psi.
				c.	Tensile Strength - ASTM C 190: 457 psi.
				d.	Bond Strength - ASTM C 297: 225 psi.
				e.	Abrasion Test - ASTM D1242: (1000 cyc - 1000 gms) 39 mil loss.
				f.	Salt Spray - ASTM B 117: 300 Hours.
				g.	Water Vapor Transmission: ASTM E 96: 1.26 Perms.
				h.	Freeze Thaw - ASTM C 67: Passed 50 Cycles.
				i.	Flexural Strength: ASTM D 790: 770 psi.
				j.	Impact Resistance: MIL-D-3134F: Passed.
				k.	Flame Spread - ASTM E 84: Class A.
		B.	Multi-Tex Stucco Mix:
			1.	Color: Snow White.
			2.	Color: Natural White.
			3.	Color: Antique White
			4.	Color: White Sand.
			5.	Color: Palomino.
			6.	Color: Tusk Ivory.
			7.	Color: Mocha.
			8.	Color: Chestnut.
			9.	Color: Desert Sand.
			10.	Color: Mission.
			11.	Color: Country Fog.
			12.	Color: Pearl Grey.
			13.	Color: Blush.
			14.	Color: Glade Yellow.
			15.	Color: Light Cream.
			16.	Color: Oyster White
			17.	Color: Olive Brown.
			18.	Color: Dusty Rose.
			19.	Color: Sierra Taupe.
			20.	Color: Canyon Sage.
			21.	Color: Slate Grey.
			22.	Color: Beige Shadow.
			23.	Color: Chiffon.
			24.	Color: Sandcastle.
			25.	Color: Peach Blossom.
			26.	Color: La Paz.
			27.	Color: Mesa Tan.
			28.	Color: Sandalwood.
			29.	Color: Twisted Branch.
			30.	Color: Clover.
			31.	Physical Performance.
				a.	Weatherometer - ASTM G 23: 2000 Hours.
				b.	Moisture Resistance - ASTM D 2247: No Blisters or cracking.
				c.	Freeze Thaw - No change in color, cracks, crazing or delamination.
				d.	Abrasion Test - ASTM D1242: (1000 cyc - 1000 gms) 39 mil loss.
				e.	Fungus Resistance - MIL-STD-810B: Passed.
				f.	Mildew Resistance - Fed. Spec. 6271: Passed.
				g.	Water Vapor Transmission: ASTM E 96: 1.26 Perms.
				h.	Salt Spray - ASTM B 117: 18 cycles.
				i.	Wind Driven Rain - TTC-555b: Passed 24 hours.
				j.	Fire Classification - ASTM E 84: Fuel Contribution 0, Smoke Development -5, Flame Spread -10.
	** NOTE TO SPECIFIER ** Retain only reinforcement materials that are specifically required on this project. Delete all others not required.
	2.4	REINFORCEMENT MATERIALS
		A.	Fiberglass Mesh:
			1.	Count: 20 x 10 Leno Weave, Visual Count: 12 x 6.
			2.	Yarn:
				a.	Warp: 37 1/0 0.7z ECH.
				b.	Fill: ECK 1800 yd/lb. roving.
			3.	Tensile Strength: 150 Lbs x 150 Lbs (68kg x 68kg) per inch (25.4mm) of width.
			4.	Weight: 4.5 oz. (127.5g) per square yard (0.84 sm).
			5.	Thickness: 0.0135 inches (0.3mm).
		B.	Elastomeric Joint Tape:
			1.	Color / Appearance: Grey / White Fabric with adhesive on one side.
			2.	Bonding Time: Immediate grip, 24 hours for full bond.
			3.	Backing: 2 mil polyester fabric.
			4.	Adhesive: "The Gray Matter" - 11 mil thickness.
			5.	Application Temperature: 30 F to 180 F (-1C to 82C).
			6.	Tensile Strength: 570 psi (with 75 percent elongation).
			7.	Peel Strength: 5 Lbs per lineal inch.(9.0g per lineal cm).
	2.5	SUBSTRATE MATERIALS
		A.	Primed Fiber Cement Siding:
	** NOTE TO SPECIFIER ** Select Wall Board Thickness. Delete two of the next three paragraphs.
			1.	Thickness: 1/4 inch (6mm); Weight: 1.9 Lbs per square foot (9.25 kg/sm).
			2.	Thickness: 5/16 inch (8mm); Weight: 2.4 Lbs per square foot (11.8 kg/sm).
			3.	Thickness: 7/16 inch (11mm); Weight: 3.3 Lbs per square foot (16.1 kg/sm).
			4.	Density: 86 Lbs / Cubic Foot (1378 Kg/sm).
			5.	Bending Strength:
				a.	Transversal: 2000 psi.
				b.	Longitudinal: 2500 psi.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not begin installation until substrates have been properly prepared. Fasten Fiber Cement Siding according to manufacturer's current application requirements.
		B.	If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
	3.2	PREPARATION
		A.	Clean surfaces thoroughly prior to installation. Surfaces shall be free of all grease, oil, paint, dirt, dust, sealers, or other foreign materials that may hinder proper bonding.
		B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
	** NOTE TO SPECIFIER ** Expansion Joints are recommended approximately every 16 feet when the wall has no openings.
		C.	Proper expansion joints should be installed according to applicable local building codes.
		D.	Inspect all fiber cement siding substrates for loose or backed out fasteners. Remove and replace as required.
		E.	Inspect surfaces for proper drainage.
	3.3	GENERAL APPLICATION REQUIREMENTS
		A.	Install in accordance with manufacturer's instructions.
		B.	Do not install when temperatures are outside of the manufacturer's recommended limits.
		C.	Install only when forecasted weather permits. Do not install during inclement weather.
	** NOTE TO SPECIFIER ** Delete the next Article if the Multi-Tex Stucco System is not specified.
	3.4	FIBER CEMENT SUBSTRATE
		A.	Install primed fiber cement siding. Fasten Fiber Cement Siding according to manufacturer's current application requirements.
	** NOTE TO SPECIFIER ** Expansion Joints are recommended approximately every 16 feet when the wall has no openings.
		B.	Proper expansion joints should be installed according to applicable local building codes.
		C.	Leave a 1/8 inch (3mm) space between panels to allow for expansion and seal with polyurethane based caulk. Allow caulk to cure, per manufacturer's specifications before taping with elastomeric joint tape.
		D.	Clean wall board with a dampened sponge prior to finish coat application.
		E.	Cover all Joints with 3 inch (76mm) joint tape and all corners with 6 inch (152mm) joint tape.
	** NOTE TO SPECIFIER ** Delete the next Article if the ICF Stucco System is not specified.
	3.5	EXTERIOR ICF STUCCO SYSTEM APPLICATION
		A.	Apply base coat of Scratch Kote 2000 or MultiBase with a sprayer or trowel.
		B.	Embed Fiberglass mesh in base coat and trowel to ensure complete coverage.
		C.	After first coat dries, apply a second (skim) coat to ensure a consistent base coat. Allow the base coat to dry completely before applying MultiTex Stucco.
		D.	Mechanically mix finish coat just prior to application to ensure uniformity of color and consistency.
		E.	Apply texture coat with a trowel or sprayer depending on the desired finish texture. Allow to cure at least 12 hours.
	** NOTE TO SPECIFIER ** Delete the next Article if the Multi-Tex Stucco System is not specified.
	3.6	EXTERIOR FIRE RETARDANT STUCCO SYSTEM APPLICATION
		A.	Skim coat all taped joints, corners, and penetrations with smooth stucco mix. Allow to dry before finish coat application.
		B.	Mechanically mix finish coat just prior to application to ensure uniformity of color and consistency.
		C.	Apply texture coat with a trowel or sprayer depending on the desired finish texture. Allow to cure at least 12 hours.
		D.	Where required, caulk expansion joints after finish coat has cured.
	3.7	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION