Document k90adj60r2QZb0x3don2Q1nzJ

IGEDRGIA-PACI F I C SOFFIT BOARD G-P SOFFIT BOARD is a special, non-combustible gypsum product developed for use in soffits, carports, outdoor shop ping malls and other similar installations where there is no direct exposure to the weather. SOFFIT BOARD is a special product with a water-resistant, blue colored, face paper, and special core. The edge is slight ly rounded, using the G-P Round Edge conformation, to mini mize beading and ridging problems. ADVANTAGES Non-combustible. Low cost. Finishes like regular wallboard so that no joints show. Easily cut and scored instead of sawn. Water resistant. PRODUCT USE Used on soffits or other exterior locations that are not directly exposed to the weather. Suitable for residential, apartment and commercial applications. PRODUCT DATA Thickness: V2" Length: 8' and 12' Width: 4' Edge: Round Edge Packaging: Twin mounted Conforms to: ASTM C36 APPLICATION Apply in same manner as regular wallboard over framing members. Use GWB-54 nails, spaced 7" on center. Use trim around edges that abut building and fascia. The fascia must come below the level of the SOFFIT BOARD. Round edge joints should be prefilled with G-P Speed Set Joint Com pound. Tape and finish in the conventional manner, using two (2) coats over tape and three (3) over nail heads. Provide adequate ventilation for the space above the soffit (see FHA Minimum Property Standards). Use Va" minimum drip cap. Install control joints at 40 foot maximum spacing. PAINTING First apply coat of exterior primer. For the finish coat, use acrylic, oil base or other suitable exterior type paint. Do not use wallboard interior texture products. GEORGIA-PACIFIC GYPSUM DIVISION P O. BOX 311, PORTLAND, OREGON SB-33-3/70-5 SGP 0025982