Gold Bond® BRAND XP® Gypsum Board with Sporgardâ¢* 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, National Gypsum's original PURPLE⢠paper on the face side and a heavy, mold/mildew/moisture resistant, 100% recycled, gray paper on the back side.
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