Waterproof gypsum plasterboard
XP® National Gypsum

Gold Bond® BRAND XP® Gypsum Board with Sporgard™ was developed as an improved moisture resistant board offering the same advantages of a traditional moisture resistant board with added mold resistance in the core and paper. XP Gypsum Board panels consist of a specially treated, fire resistant, gypsum core encased in a heavy, mold/mildew/moisture resistant, 100% recycled, purple paper on the face side and a heavy, mold/mildew/moisture resistant, 100% recycled, gray paper on the back side.
XP Gypsum Board was designed to provide extra protection against mold and mildew compared to standard wallboard products. The face paper is folded around the long edges to reinforce and protect the core, and the ends are square-cut and finished smooth. Long edges of the panels are tapered.
Tapered edges allow joints to be reinforced with ProForm® BRAND Joint Tape and concealed with ProForm BRAND Ready Mix, Easy Finish® BRAND Ready Mix or ProForm® BRAND Sta-Smooth Setting Compounds.
For optimum mold and mildew performance, National Gypsum recommends ProForm® BRAND XP Ready Mix.
Gold Bond BRAND XP Fire-Shield® Gypsum Board features a Type X core to provide additional fire resistance ratings when used in tested systems.
Gold Bond BRAND XP Fire-Shield C Gypsum Board Panels have a specially formulated Type X core to achieve superior performance when used in specific fire-rated assemblies where the weight and number of wallboard layers are a concern.