substitution request - Alliance Construction Solutions

F. Install trim with back flanges intended for fasteners, attach to framing with same fasteners
used for panels. Otherwise, attach trim according to manufacturer's written instructions.
1. Aluminum Trim: Install in locations indicated on Drawings.
2. Control Joints: Install control joints according to ASTM C 840 and in specific
locations approved by Architect for visual effect.
G. Prefill open joints, rounded or beveled edges, and damaged surface areas.
H. Apply joint tape over gypsum board joints, except for trim products specifically indicated as
not intended to receive tape.
I. Curved Surfaces: Install panels horizontally (perpendicular to supports) and unbroken, to
extent possible, across curved surface plus 12-inch- long straight sections at ends of curves
and tangent to them.
J. Gypsum Board Finish Levels: Finish panels to levels indicated below and according to
ASTM C 840:
1. Level 1: Ceiling plenum areas, concealed areas, and where indicated.
2. Level 2: Panels that are substrate for tile.
3. Level 3: Where indicated on Drawings.
4. Level 4: At panel surfaces that will be exposed to view unless otherwise indicated.
5. Level 5: Where indicated on Drawings.
K. Protect adjacent surfaces from drywall compound and texture finishes and promptly
remove from floors and other non-drywall surfaces. Repair surfaces stained, marred, or
otherwise damaged during drywall application.
L. Remove and replace panels that are wet, moisture damaged, and mold damaged.
END OF SECTION 09 2900
Project No.: 10145 GYPSUM BOARD
550 15th Street Dual Brand Hotel 092900 - 4
19 March 2012