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	SECTION 09260
	GYPSUM BOARD ASSEMBLIES
	For best results, display hidden notes to specifier.
	** NOTE TO SPECIFIER ** BPB America Inc.; gypsum, sheathing, soffit board, and shaftliner. . This section is based on the products of BPB America Inc. which is located at: 5301 West Cypress St. Suite 300 Tampa, FL 33607 Tel: (866) 427-2872 Fax: Fax: (813) 286-3991 Email: crc@bpb-na.com Additional [ Product Data ] and info . Since 1915, BPB has steadily broadened its worldwide market to become the recognized leader in the manufacture of gypsum board products. At BPB, we keep pace with new market trends and advances in manufacturing in order to continuously expand our full line of quality ProRoc(tm) gypsum board products, ProFin(tm) finishing compounds and textures, and ceiling systems.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Gypsum board and joint treatment products.
		B.	Gypsum shaft liner.
		C.	Gypsum area separation walls.
		D.	Accessories for the installation and trimming of gypsum board partitions and ceilings.
	1.2	RELATED SECTIONS
	Delete any sections below not relevant to this project; add others as required.
		A.	Section 06100 - Rough Carpentry: Wood framing.
	No metal framing is specified in this section. BPB does not manufacture metal framing.
		B.	Section 09111 - Non-Loadbearing Metal Framing.
		C.	Section 09215 - Veneer Plaster.
	1.3	REFERENCES
	Delete references from the list below that are not actually required by the text of the edited section.
		A.	ASTM C 475 - Standard Specification for Joint Compound and Joint Tape for Finishing Gypsum Board; 2001.
		B.	ASTM C 514 - Standard Specification for Nails for the Application of Gypsum Board; 2001.
		C.	ASTM C 645 - Standard Specification for Nonstructural Steel Framing Members; 2000.
		D.	ASTM C 665 - Standard Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing; 2001.
		E.	ASTM C 754 - Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products; 2000.
		F.	ASTM C 840 - Standard Specification for Application and Finishing of Gypsum Board; 2001.
		G.	ASTM C 954 - Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs From 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness; 2000.
		H.	ASTM C 1002 - Standard Specification for Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs; 2001.
		I.	ASTM C 1047 - Standard Specification for Accessories For Gypsum Wallboard and Gypsum Veneer Base; 1999.
		J.	ASTM C 1280 - Standard Specification for Application of Gypsum Sheathing; 1999.
		K.	ASTM C 1396/C 1396M - Standard Specification for Gypsum Board; 2001.
		L.	ASTM D 1037 - Test Methods for Evaluating Properties of Wood-Based Fiber and Particle Panel Materials; 1999.
		M.	ASTM E 90 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements; 2002.
		N.	ASTM E 119 - Standard Test Methods for Fire Tests of Building Construction and Materials; 2000a.
		O.	ASTM E 413 - Classification for Rating Sound Insulation; 1987 (Reapproved 1999).
		P.	ASTM E 492 - Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine.
		Q.	ASTM E 695 - Standard Method of Measuring Relative Resistance of Wall, Floor, and Roof Construction to Impact Loading; 1979 (Reapproved 1997).
		R.	ASTM E 989 - Classification for Determination of Impact Insulation Class (IIC).
		S.	CAN/ULC-S101 - Standard Methods of Fire Endurance Tests of Building Construction and Materials; 1989.
		T.	GA-214 - Recommended Levels of Gypsum Board Finish; Gypsum Association; 1996.
		U.	GA-216 - Application and Finishing of Gypsum Board; Gypsum Association; 2000.
		V.	GA-231 - Assessing Water damage to Gypsum Board; 2003.
		W.	GA-238 - Guidelines for the Prevention of Mold Growth on Gypsum Board; 2003.
		X.	GA-253 - Recommended Specifications for the Application of Gypsum Sheathing; Gypsum Association; 1999.
		Y.	GA-600 - Fire Resistance Design Manual; Gypsum Association; 2003.
		Z.	ITS (Dir) - Directory of Listed Products; Intertek Testing Services; current edition.
		AA.	UL 263 - Standard for Fire Tests of Building Construction and Materials; 2003.
		AB.	UL (FRD) - Fire Resistance Directory; Underwriters Laboratories Inc.; current edition.
		AC.	ULC (FRD) - Fire Resistance Directory; Underwriters' Laboratories of Canada; current edition.
	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.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (152 mm) square, representing actual product, color, and patterns.
		D.	Selection Samples for Textured Coatings: Minimum 12 by 12 inch (305 by 305 mm) coated gypsum board panel for each type and texture of textured coating.
		E.	Maintenance Data: Manufacturer's recommendations for cleaning each type of product specified.
	1.5	DELIVERY, STORAGE, AND HANDLING
		A.	Deliver and store gypsum board in accordance with GA-238.
		B.	Ship materials with a weathertight cover and in manufacturer's original packages showing manufacturer's name and product brand name.
		C.	Remove plastic shipping bags upon receipt and storage. Failure to remove may increase the likelihood of mold growth.
		D.	Store materials inside and protected from damage by weather and direct sunlight. Stack flat; protect ends, edges, and faces of gypsum boards from damage. Protect steel studs and accessories from bending.
		E.	Carry boards, (do not drag) to place of installation; protect from damage to finished edges.
	1.6	PROJECT CONDITIONS
		A.	Establish and maintain application and finishing environment in accordance with ASTM C 840 and GA-238.
	1.7	EXTRA MATERIALS
	The following are examples of extra materials that the Owner might wish to have for maintenance purposes. Delete if not required; edit to suit project.
		A.	Furnish to Owner the following maintenance materials packaged and labeled for storage.
		B.	Textured Coating: One 1-gallon (4 liter) can.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: BPB America Inc.; 5301 West Cypress St., Suite 300, Tampa, FL 33607. ASD. Tel: (866) 427-2872. Fax: (813) 286-3991. Email: crc@bpb-na.com.http://www.bpb-na.com.
		B.	Single Source Responsibility: Obtain gypsum board products, joint treatment products, and textured coatings from a single manufacturer.
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01600.
	2.2	GYPSUM BOARD ASSEMBLIES
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.
		A.	Fire Rated Assemblies: Provide materials and construction identical to those tested in fire-endurance rated assemblies by an independent testing agency acceptable to the authorities having jurisdiction.
			1.	Test Method: ASTM E 119 or UL 263.
			2.	Test Method: CAN/ULC-S101M.
			3.	Ratings: As indicated on the drawings; designations listed are from:
	** NOTE TO SPECIFIER ** Delete all of the following directories except the one which is used to reference fire-rated assemblies on the drawings.
				a.	Gypsum Association GA-600, Fire Resistance Design Manual.
				b.	UL Fire Resistance Directory.
				c.	ULC Fire Resistance Directory.
				d.	ITS Directory of Listed Products.
		B.	Sound Rated Assemblies: Provide materials and construction identical to those tested in STC/IIC-rated assemblies by an independent testing agency.
			1.	Test Method: ASTM E 90/E 492 and classified according to ASTM E 413/E 989.
			2.	STC Ratings: As indicated on the drawings; designations listed are from:
	** NOTE TO SPECIFIER ** Delete all of the following directories except the one which is used to reference sound-rated assemblies on the drawings.
				a.	Gypsum Association GA-600, Fire Resistance Design Manual.
				b.	__________________.
	** NOTE TO SPECIFIER ** Use this article to define where each type of material included in the specification is to be used, unless fully indicated on the drawings or identified by name farther on in the specification. It will be easier to use this article if you first edit the material specs below by deleting all product options not required. Then, for each type for which more than one option remains, clarify where each option is to be used in this article or on the drawings. The following are some examples of how to specify applications; edit to suit project.
		C.	Exterior Wall Sheathing:
			1.	Gypsum sheathing board.
			2.	Use fire rated gypsum sheathing board at ________.
			3.	Use water resistant gypsum sheathing board at _______.
			4.	Framing: _______.
		D.	Exterior Soffits:
			1.	Use exterior gypsum soffit board.
			2.	Use fire rated exterior gypsum soffit board.
			3.	Framing: _______.
		E.	Shaftwalls: Defined as ________.
			1.	Use gypsum shaftliner board.
			2.	Use fire rated gypsum board.
			3.	Framing: I-studs with J-track.
			4.	Framing: C-T studs with J-track.
		F.	Area Separation Walls:
			1.	Use fire rated gypsum shaftliner board at ________.
			2.	Use regular gypsum board on interior at ______.
			3.	Framing: C-Track.
			4.	Framing: H-studs.
		G.	Other Interior Partitions Indicated As Fire Rated:
			1.	Use fire rated gypsum board unless otherwise indicated.
			2.	Use fire rated abuse-resistant gypsum board at ________.
			3.	Use fire rated water resistant gypsum board at _______.
			4.	Use fire rated cement backer board at _______.
			5.	Framing: _______.
		H.	Other Interior Partitions:
			1.	Use regular gypsum board unless otherwise indicated.
			2.	Use abuse-resistant gypsum board at ________.
			3.	Use water resistant gypsum board at _______.
			4.	Use flexible gypsum board at ________.
			5.	Use cement backer board at _______.
			6.	Framing: _______.
			7.	Acoustical Rating: STC of ____, minimum.
		I.	Fire Rated Interior Ceilings, Bulkheads, and Soffits:
			1.	Use fire rated gypsum board unless otherwise indicated.
			2.	Framing: _______.
		J.	Other Interior Ceilings, Bulkheads, and Soffits:
			1.	Use gypsum ceiling board unless otherwise indicated.
			2.	Use regular gypsum board at _______.
			3.	Framing: _______.
		K.	Other applications as indicated on drawings.
	2.3	GYPSUM WALL PANELS
		A.	Regular Gypsum Board: Gypsum core wall panel surfaced with paper on front and back edges and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) Regular Gypsum Board.
			2.	Thickness: 1/2 inch (12 mm), unless otherwise indicated.
				a.	Use 1/4 inch (6 mm) thickness at _______.
				b.	Use 3/8 inch (9.5 mm) thickness at _______.
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.
			3.	Width: 48 inches (1219 mm).
			4.	Width: 54 inches (1372 mm).
	Regular gypsum board is available in lengths from 8 feet through 12 feet.
			5.	Length: Use longest length available, avoiding unnecessary joints.
			6.	Edges:
				a.	Use square edges at ______.
				b.	Use Evenwall (rounded) edges at ______.
	1/4 inch thick gypsum board is only available with tapered edge.
				c.	Use tapered edges at ______.
		B.	Fire Rated Gypsum Board: Gypsum core wall panel with additives to enhance fire resistance of the core; surfaced with ivory-colored paper on front and strong liner paper on back; and complying with ASTM C 1396/C 1396M, Type X.
			1.	Acceptable Product: ProRoc(tm) Type X Gypsum Board.
			2.	Thickness: 5/8 inch (16 mm).
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.
			3.	Width: 48 inches (1219 mm).
			4.	Width: 54 inches (1372 mm).
	Fire rated gypsum board is available in lengths from 8 feet through 12 feet.
			5.	Length: Use longest length available, avoiding unnecessary joints.
			6.	Edges:
				a.	Use Evenwall (rounded) edges at ______.
				b.	Use tapered edges at ______.
		C.	Fire Rated Gypsum Board: Gypsum core wall panel with additives to enhance fire resistance of the core; surfaced with ivory-colored paper on front and strong liner paper on back; and complying with ASTM C 1396/C 1396M, Type C.
			1.	Acceptable Product: ProRoc(tm) Type C Gypsum Board.
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.
			2.	Thickness: 1/2 inch (12 mm), unless otherwise indicated.
			3.	Thickness: 5/8 inch (16 mm), unless otherwise indicated.
			4.	Width: 48 inches (1219 mm).
	Fire rated gypsum board is available in lengths from 8 feet through 12 feet.
			5.	Length: Use longest length available, avoiding unnecessary joints.
			6.	Edges: Tapered.
		D.	Fire-Rated Abuse-Resistant Gypsum Board: Gypsum core wall panel with additives to enhance fire resistance, surface indentation resistance, and impact resistance of core; core reinforced by glass fiber; surfaced front and back with heavy liner paper; and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) Abuse-Resistant Gypsum Board.
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.
			2.	Thickness: 1/2 inch (12 mm).
			3.	Thickness: 5/8 inch (16 mm), Type X.
			4.	Width: 48 inches (1219 mm).
	Abuse-resistant gypsum board is available in lengths from 8 feet through 12 feet
			5.	Length: Use longest length available, avoiding unnecessary joints.
			6.	Edges: Tapered.
			7.	Impact Resistance: Drop height at failure at least 27 inches (685 mm) when tested in accordance with ASTM E 695.
			8.	Indentation Resistance: Minimum of 200 pounds load required to produce 0.100 inch surface indentation when tested in accordance with ASTM D 1037.
		E.	Water-Resistant Gypsum Board: Gypsum core wall panel with additives to enhance water resistance of core; surfaced with green-colored face paper and water resistant backing paper; and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) Moisture Resistant Gypsum Board.
			2.	Thickness: 1/2 inch (12 mm).
			3.	Width: 48 inches (1219 mm).
	Water-resistant gypsum board is available in lengths from 8 feet through 12 feet
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		F.	Fire Rated Water-Resistant Gypsum Board: Gypsum core wall panel with additives to enhance fire resistance and water resistance of core; surfaced with water repellant paper on front and back; and complying with ASTM C 1396/C 1396M, Type X.
			1.	Acceptable Product: ProRoc(tm) Moisture Resistant Type X Gypsum Board.
			2.	Thickness: 5/8 inch (16 mm).
			3.	Width: 48 inches (1219 mm).
	Fire rated water-resistant gypsum board is available in lengths from 8 feet through 12 fe
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		G.	Gypsum Sheathing Board: Gypsum core sheathing surfaced with water repellant paper on front and back; and complying with ASTM C 1396/C 1396M.
	** NOTE TO SPECIFIER ** Delete four of the following five paragraphs. If more than one is specified, indicate where each is to be used.
			1.	Acceptable Product: ProRoc(tm) Sheathing Treated Core; additives to enhance water resistance of core.
			2.	Acceptable Product: ProRoc(tm) Sheathing Treated Core Type X; additives to enhance water resistance of core, and fire resistance of core.
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.
			3.	Thickness: 1/2 inch (13 mm).
			4.	Thickness: 5/8 inch (16 mm).
			5.	Width: 48 inches (1219 mm).
	Gypsum sheathing board is available in lengths from 8 feet through 12 fe
			6.	Length: Use longest length available, avoiding unnecessary joints.
			7.	Edges: Square.
		H.	Flexible Gypsum Board: Gypsum core wall panel with additives to enhance flexibility; surfaced with paper on front and back; and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) 1/4" Flex Gypsum Board.
			2.	Thickness: 1/4 inch (6 mm).
			3.	Width: 48 inches (1219 mm).
	Flexible board is available in lengths from 8 feet through 12 fe
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		I.	Gypsum Backer Board: Gypsum core wall panel surfaced with paper on front and back; and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) Backer Board.
			2.	Thickness: 1/2 inch (12 mm).
			3.	Width: 48 inches (1219 mm).
	Gypsum backer board is available in lengths from 8 feet through 12 feet.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Square.
		J.	Fire Rated Gypsum Backer Board: Gypsum core wall panel with additives to enhance fire resistance; surfaced with paper on front and back; and complying with ASTM C 1396/C 1396M, Type X.
			1.	Acceptable Product: ProRoc(tm) Gypsum Backer Board.
			2.	Thickness: 5/8 inch (16 mm).
			3.	Width: 48 inches (1219 mm).
	Gypsum backer board is available in lengths from 8 feet through 16 feet.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Square.
	** NOTE TO SPECIFIER ** For shaftwall systems the following paragraph should be specified in addition to either 5/8 inch Type X or 1/2 inch Type C fire rated gypsum board. For area separation walls the following paragraph should be specified in addition to 1/2 inch regular gypsum board.
		K.	Shaftliner Gypsum Board: Gypsum core shaftwall panel with additives to enhance fire resistance of core; surfaced with water repellant paper on front and back; and complying with ASTM C 1396/C 1396M, Type X.
			1.	Acceptable Product: ProRoc(tm) Shaftliner Type X Gypsum Board.
			2.	Thickness: 1 inch (25 mm).
			3.	Width: 24 inches (610 mm).
	Shaftliner is available in lengths 8 feet and 12 feet.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Modified tapered.
	2.4	GYPSUM PLASTER BASE
		A.	Plaster Base: Gypsum core lathing panel with additives to enhance fire resistance of core and surfaced with highly absorptive paper on front and back; and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) Veneer Plaster Base.
			2.	Thickness: 1/2 inch (12 mm).
			3.	Width 48 inches (1220 mm).
	Fire rated plaster base is available in 8 through 12 foot lengths.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Square.
			6.	Edges: Tapered.
		B.	Fire Rated Plaster Base: Gypsum core lathing panel with additives to enhance fire resistance of core and surfaced with absorptive paper on front and long edges and complying with ASTM C 1396/C 1396M, Type X.
			1.	Acceptable Product: ProRoc(tm) Veneer Plaster Base Type X.
			2.	Thickness: 5/8 inch (16 mm).
			3.	Width: 48 inches (1220 mm).
	Fire rated plaster base is available in 8 through 12 foot lengths.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		C.	Fire Rated Plaster Base: Gypsum core lathing panel with additives to enhance fire resistance of core and surfaced with absorptive paper on front and long edges and complying with ASTM C 1396/C 1396M, Type C.
			1.	Acceptable Product: ProRoc(tm) Veneer Plaster Base Type C.
			2.	Thickness: 1/2 inch (13 mm).
			3.	Width: 48 inches (1220 mm).
	Fire rated plaster base is available in 8 through 12 foot lengths.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Square.
			6.	Edges: Tapered.
	2.5	GYPSUM CEILING AND SOFFIT PANELS
		A.	Gypsum Ceiling Board: Gypsum core ceiling panel with additives to enhance sag resistance of core and surfaced with ivory-colored face paper and strong liner back paper; and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) Interior Ceiling Board.
			2.	Thickness: 1/2 inch (12 mm).
			3.	Width: 48 inches (1220 mm).
	Ceiling board is available in lengths 8 feet and 12 feet.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		B.	Exterior Gypsum Soffit Board: Gypsum core soffit panel with additives to enhance sag resistance of core; surfaced with water resistant paper on front and back; and complying with ASTM C 1396/C 1396M.
			1.	Acceptable Product: ProRoc(tm) Exterior Soffit Board.
			2.	Thickness: 1/2 inch (12 mm).
			3.	Width: 48 inches (1220 mm).
	Soffit board is available in lengths 8 feet and 12 feet.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		C.	Fire Rated Exterior Gypsum Soffit Board: Gypsum core soffit panel with additives to enhance fire-resistance and sag resistance of core; surfaced with water resistant paper on front and back; and complying with ASTM C 1396/C 1396M, Type X.
			1.	Acceptable Product: ProRoc(tm) Exterior Soffit Board Type X.
			2.	Thickness: 5/8 inch (16 mm).
			3.	Width: 48 inches (1220 mm).
	Fire rated soffit board is available in lengths 8 feet and 12 feet.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		D.	Fire Rated Exterior Gypsum Soffit Board: Gypsum core soffit panel with additives to enhance fire-resistance and sag resistance of core; surfaced with water resistant paper on front and back; and complying with ASTM C 1396/C 1396M, Type C.
			1.	Acceptable Product: ProRoc(tm) Exterior Soffit Board Type C.
			2.	Thickness: 5/8 inch (16 mm).
			3.	Width: 48 inches (1220 mm).
	Fire rated soffit board is available in lengths 8 feet and 12 feet.
			4.	Length: Use longest length available, avoiding unnecessary joints.
			5.	Edges: Tapered.
		E.	Gypsum Ceiling Cove: Curved cove trim with paper facing for installation with joint compound.
			1.	Profile Width: 4-1/2 inches (109 mm).
	Ceiling Decor Cove is available in lengths 8 feet and 12 feet.
			2.	Length: Use longest length available, avoiding unnecessary joints.
			3.	Radius: 3-1/4 inches (83 mm).
			4.	Curvature: 3/4 inch (19 mm).
			5.	Back Angle: Not less than 90 degrees.
		F.	Gypsum Ceiling Cornice: Curved cornice trim with paper facing for installation with joint compound.
			1.	Profile Width: 4-7/16 inches (113 mm).
			2.	Length: 8 feet (203 mm).
			3.	Back Angle: 105 to 115 degrees.
		G.	Gypsum Ceiling Step: Straight trim with square edges; paper faced for installation with joint compound.
			1.	Profile Width: 6 inches (152 mm).
			2.	Thickness: 1/2 inch (13 mm).
	2.6	GYPSUM JOINT TREATMENT AND FINISH PRODUCTS
	** NOTE TO SPECIFIER ** Edit the following paragraphs to reflect project requirements.
		A.	Joint Treatment Tape: Complying with ASTM C 475; acceptable product(s):
			1.	Marco Brand Drywall Joint Tape; 2-1/16 inches (52 mm) wide paper reinforcing tape.
			2.	Marco Brand Drywall Mesh Tape; 1-7/8 inches (48 mm) wide self-adhesive fiberglass mesh tape.
			3.	Marco Brand Metal Flex Corner Tape, Lightweight; 2-1/16 inches (52 mm) wide, 0.010 inch (0.25 mm) thick paper reinforcing tape with metal strips laminated along the center crease to form inside and outside corners.
			4.	Marco Brand Metal Flex Corner Tape; 2-1/16 inches (52 mm) wide, 0.012 inch (0.3 mm) thick paper reinforcing tape with metal strips laminated along the center crease to form inside and outside corners.
			5.	Marco Brand Plastic Flex Corner Tape; 2-1/16 inches (52 mm) wide paper reinforcing tape with plastic strips laminated along the center crease to form inside and outside corners.
		B.	Joint Compound: Vinyl type pre-mixed compound; off-white color; complying with ASTM C 475; acceptable product(s):
			1.	ProFin(tm) Brand All Purpose Compound.
			2.	ProFin(tm) Brand Taping Compound.
			3.	ProFin(tm) Brand Finishing Compound.
			4.	ProFin(tm) Brand Multi-Purpose Compound.
		C.	Joint Compound: Vinyl type pre-mixed lightweight compound; off-white color; complying with ASTM C 475; acceptable product(s):
			1.	ProFin(tm) Brand Lite All Purpose Compound.
			2.	ProFin(tm) Brand Lite Taping Compound.
			3.	ProFin(tm) Brand Lite Finishing Compound.
			4.	ProFin(tm) Brand Extra Multi-Purpose Compound.
			5.	ProFin(tm) Brand One Multi-Purpose Compound.
		D.	Joint Compound: Setting type job mixed chemical-hardening compound; off white color; complying with ASTM C 475; acceptable product(s):
			1.	ProFin(tm) Brand Lite Sand 5 Setting Compound.
			2.	ProFin(tm) Brand Lite Sand 20 Setting Compound.
			3.	ProFin(tm) Brand Lite Sand 40 Setting Compound.
			4.	ProFin(tm) Brand Lite Sand 90 Setting Compound.
			5.	ProFin(tm) Brand Lite Sand 210 Setting Compound.
		E.	Textured Ceiling Coating: Compound of minerals and clays for mixing with a mineral or polystyrene aggregate and water; off-white color; acceptable products:
			1.	ProFin(tm) Brand Heavy-Tex(tm); powder, suitable for medium to heavy texture patterns.
			2.	ProFin(tm) Brand Multi-Tex(tm); powder, suitable for fine to medium texture patterns.
			3.	ProFin(tm) Brand Easi-Tex(tm); powder, suitable for all spray patterns and equipment.
			4.	ProFin(tm) Brand Easi-Tex(tm); ready-mixed, suitable for all spray patterns and equipment.
	** NOTE TO SPECIFIER ** Delete five of the following six texture paragraphs.
			5.	Texture: As selected by Architect.
			6.	Texture(s): As indicated on drawings.
			7.	Texture: Spatter finish.
			8.	Texture: Spatter plus Knockdown.
			9.	Texture: Orange peel finish.
			10.	Texture: ________.
		F.	Textured Wall Coating: Compound of minerals and clays for mixing with a mineral or polystyrene aggregate and water; off-white color; acceptable products:
			1.	ProFin(tm) Brand Heavy-Tex(tm); powder, suitable for medium to heavy texture patterns.
			2.	ProFin(tm) Brand Multi-Tex(tm); powder, suitable for fine to medium texture patterns.
			3.	ProFin(tm) Brand Easi-Tex(tm); powder, suitable for all spray patterns and equipment.
			4.	ProFin(tm) Brand Easi-Tex(tm); ready-mixed, suitable for all spray patterns and equipment.
	** NOTE TO SPECIFIER ** Delete five of the following six texture paragraphs.
			5.	Texture: As selected by Architect.
			6.	Texture(s): As indicated on drawings.
			7.	Texture: Spatter finish.
			8.	Texture: Spatter plus Knockdown.
			9.	Texture: Orange peel finish.
			10.	Texture: ________.
	2.7	ACCESSORY MATERIALS
		A.	Corner Bead: Formed galvanized steel angle, min. base steel 0.014 in. thick, and complying with ASTM C 1047.
		B.	Casing Bead: Formed galvanized steel trim, minimum base steel thickness of 0.014 inch (0.35 mm), complying with ASTM C 1047, type(s) as follows:
	If more than one of the following types of casing beads is required, edit the following to indicate where each is to be used.
			1.	J-shaped U-bead, for face nailing and finishing with joint treatment.
			2.	J-shaped U-bead, requiring no finishing.
			3.	L-shaped, for application over edge and finishing with joint treatment.
		C.	Control Joint: Extruded vinyl formed with V-shaped slot covered with removable flexible vinyl strip; complying with ASTM C 1047.
		D.	Control Joint: Bent zinc sheet formed with V-shaped slot, covered with plastic tape, with perforated flanges; complying with ASTM C 1047.
		E.	Screws: ASTM C 954 or ASTM C 1002 or both with heads, threads, points, and finish as recommended by panel manufacturer.
		F.	Nails: ASTM C 514 with heads, lengths, configurations, and finish as recommended by panel manufacturer.
		G.	Acoustical Sealant: Nondrying, nonhardening, nonskinning, nonstaining, nonbleeding, gunnable type as recommended by panel manufacturer.
		H.	Insulation: ASTM C 665, Type I, mineral fiber (either glass, rock, or slag) insulation blankets without membrane facing.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Examine areas and surfaces where work is to be installed.
		B.	Start of work constitutes acceptance of existing conditions and substrates.
	3.2	INSTALLATION
		A.	Application: Apply and maintain conditions during installation in accordance with GA-238 and as follows:
			1.	Keep gypsum board dry throughout application.
			2.	Do not use gypsum board that has visible mold growth.
			3.	Apply gypsum board on walls with a minimum 1/4 inch (6 mm) gap between the gypsum board and the floor.
			4.	Do not apply gypsum board over other building materials where conditions exist that are favorable to mold growth.
			5.	Maintain a sound weather-tight building envelope including, such elements as the roof, sealants, windows, etc.
			6.	Immediate and appropriate remediation measures must be taken as soon as water leaks or condensation sources are identified.
			7.	Provide routine cleaning and maintenance operations to prevent saturation of the gypsum board.
			8.	If gypsum board is damaged by water assess the need for replacement in accordance with GA-231.
		B.	Install accordance with the following:
			1.	Metal Framing: ASTM C 754.
			2.	Gypsum Sheathing Board: ASTM C 1280 and GA-253.
			3.	Gypsum Board and Joint Treatment: ASTM C 840 and GA-214.
			4.	Gypsum panel manufacturer's published recommendations.
		C.	Finishing: Comply with ASTM C 840 and GA-216.
	Edit the paragraphs below to describe project requirements for finishing or indicate finish levels on the drawings and delete this paragraph. See ASTM C 840 or GA-214 for guidance on the use of finish levels.
			1.	Level 1: Plenums and service corridors.
			2.	Level 2: Water resistant gypsum backing board indicated to receive tile.
			3.	Level 3: Gypsum board indicated to receive heavy or medium textured coatings and heavy-grade wall coverings.
			4.	Level 4: Gypsum board indicated to receive light textured coatings and light-grade wall coverings.
			5.	Level 5: All other gypsum board.
			6.	Exception: Prefinished gypsum board.
	3.3	PROTECTION
		A.	Protect work from damage and deterioration until date of Substantial Completion.
	END OF SECTION