Gypsum
Sheathing Board

PABCO® Gypsum Sheathing Board is a treated core moisture-resistant product and is designed for use as an exterior substrate product that provides a stable base for most types of finish.  PABCO Gypsum sheathing board has a water-resistant core and water-repellent paper (brown face paper and gray back), both are treated chemically to provide a water-repellent surface.

PABCO Gypsum sheathing board is manufactured in 4 ft. wide and 8 ft. long panels. The sheathing panels are manufactured with square edges. These square edges are not designed for finishing with joint compound and tape. PABCO Gypsum Sheathing Board is manufactured in 1/2" treated regular core and 5/8" treated type X core.

PABCO Gypsum sheathing board panels are flexible and may be attached with nails, screws or staples. The gypsum core provides natural resistance to the spread of fire.