Complete Compiled Specification.pdf - Peck Ormsby Construction

c. Gold Bond Building Products Div., National Gypsum Co.
d. United States Gypsum Co.
3. Tile Backer Board:
a. Georgia Pacific Gypsum.
4. Sound Attenuation Batt Insulation:
a. CertainTeed Corporation
b. Johns Manville Corporation
c. Owens Corning
5. Slotted Deflection Track;
a. Brady Construction Innovations. Inc.
2.02 WALLBOARD MATERIALS
A. Gypsum wallboard shall conform to ASTM C-36.
B. Provide the following types:
1. At rated construction: 5/8" thick x 4' wide fire resistive gypsum board, Type X.
2. 5/8" thick x 4' wide standard gypsum board.
2.05 FIBERGLASS-MAT FACED GYPSUM BACKING BOARD:
A. Fiberglass-Mat Faced Units: ASTM C1178, Type X and as follows:
1. Thickness: 5/8 inch.
2. Width: 4 feet.
3. Length: 8 feet.
4. Weight: 2600 pounds per thousand square feet.
5. Edges: Square.
6. Surfacing: Coated fiberglass mat on face, back, and long edges.
7. Mold Resistance (ASTM D3273): Not less than 10, in a test as manufactured.
8. Permeance (ASTM E96): Not more than 1.0 perms when tiled.
9. Robinson Floor Test Rating (ASTM C627): Light commercial.
10. Acceptable Products:
a. 5/8 inch DensShield Fireguard Type X
2.03 WALLBOARD ACCESSORIES
A. Trim and edging: 26 gage electrogalvanized steel. Provide angle corner pieces with 1-3/4"
legs at all external corners and U.S.G. No. 200-A metal trim pieces, as detailed, at all
wallboard edges meeting dissimiliar materials and when edges are exposed.
B. Screws: Type S, bugle head, blued steel, of lengths as required to accommodate thicknesses
of wall and ceiling construction.
C. Drywall channel screeds: Fry reglet type DRM-625-75.
D. Laminating Adhesives: As recommended by manufacturer of gypsum board.
2.04 METAL FRAMING
A. Metal Studs: 25 gage unless noted otherwise, electrogalvanized steel, 3-5/8", with dissimilar
flange widths to permit nesting. Provide punch holes at 24" o.c. and 12" from end of studs
capable of passing pipe and conduit and interlocking 1-1/2" reinforcing channel.
1. Provide 20 gage studs at the following locations:
a. Walls over 13 feet high.
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009
GYPSUM BOARD ASSEMBLIES 09250-2