2.1.11.2
Adhesive for Fastening Gypsum Board to Wood Framing
ASTM C 557.
2.1.11.3
Adhesive for Laminating
For laminating two-ply gypsum board systems [and] [gypsum studs to face
panels], provide adhesive recommended by gypsum board manufacturer.
2.1.12
Gypsum Studs
25 mm One inch minimum thickness and 150 mm 6 inch minimum width. Studs
may be of 25 mm one inch thick gypsum board or multilayers laminated to
required thickness. Conform to ASTM C 36/C 36M or ASTM C 442/C 442M for
material.
2.1.13
Shaftwall Liner Panel
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NOTE: Shaftwall panels are typically used for
elevators, stairwells and mechanical chases that
penetrate rated floor systems. When using shaftwall
system, edit section 09100, "Metal Support
Assemblies" to include shaftwall liner panel metal
studs.
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ASTM C 442/C 442M. Shaftwall liner panel shall conform to UL Fire Resist
Dir for the Design Number(s) indicated. Liner Panel shall be specifically
manufactured for cavity shaftwall system, with water-resistant paper faces,
bevel edges, single lengths to fit required conditions, [25.4 mm] [19.05 mm]
[1 inch] [3/4 inch] thick, by 610 mm 24 inches wide.
2.1.14
Accessories
ASTM C 1047. Fabricate from corrosion protected steel or plastic designed
for intended use. Accessories manufactured with paper flanges are not
acceptable. Flanges shall be free of dirt, grease, and other materials
that may adversely affect bond of joint treatment. Provide prefinished or
job decorated materials. [For predecorated gypsum board provide
prefinished metal or plastic trim to match predecorated gypsum board.]
2.1.15
Asphalt Impregnated Building Felt
The moisture barrier over gypsum sheathing shall be 6.7 kg 15-lb asphalt
impregnated felt conforming to ASTM D 226 Type I (No. 15).
2.1.16
Water
Clean, fresh, and potable.
PART 3
EXECUTION
3.1
EXAMINATION
3.1.1
Framing and Furring
Verify that framing and furring are securely attached and of sizes and
SECTION 09250
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