Manufacturers'recommendations: The manufacturers' recommended methods of installation, when approved by the Architect, shall be the basis for acceptance or rejection of actual installation methods used in this work.
Deliver drywall finishing materials in unopened containers as identified with manufacturer's name, brand, type and grade. Store inside in dry areas and protect from dampness and deterioration. Protect ready-mixed products fi.-om freezing.
Protection: Use all means necessary to protect gypsum drywall materials before, during and after installation and to protect the installed work and materials of all other trades.
Replacements: In the event of damage, immediately make all repairs and replacements necessary to the approval of the Architect and at no additional cost to the Owner.
A. Do not proceed with finishing of the gypsum wallboard unless the areas comply with the recommendations of the manufacturer.
GYPSUM BOARD SYSTEM
Furring, Framing and Accessories: ASTM C64S.
Gypsum Board Types: 5/8 inch Type 'X' @ fire rated walls and ceilings-I/2
walls and ceilings- maximum permissible length; end square cut,
tapered edges; unless noted otherwise as follows:
Standard Type: ASTM C36.
Fire Rated Type: ASTM C36 fire resistive, UL rated.
Moisture Resistant Type: ASTM C630.
Foil Faced Gypsum Board: ASTM C36, at exterior walls.
Gypsum wallboard for all toilet rooms shall be S/8-inch thick moisture
resistant (MR) board.
Acoustical Insulation: ASTM C66S, preformed mineral wool, friction fit type, unfaced, 3 inch thick. Install in the designated interior walls.
Acoustical Sealant: Non-hardening, non-skinning, for use in conjunction with gypsum board.
Comer Beads: Metal
Edge Trim: No. 66 Bead.
Section 09260 2