National Gypsum Company is the exclusive service provider for products manufactured by Gold Bond Building Products and ProForm Finishing Products. This collection is specifically designed for commercial applications. Gold Bond Fire-Shield drywall is made of a Type X core, which is more fire-resistant than standard gypsum board. Gold Bond PURPLE XP drywall panels are the perfect solution anywhere mold and moisture are a concern in your building, and provide the same benefits with a Type X core. Finish your drywall with ProForm’s complete line of mold resistant finishing products, including ProForm All Purpose and ProForm Lite Blue joint compounds, ProForm Quick Set Lite setting compound and ProForm Paper Joint Tape.