25 lb. Sheetrock® Durabond 20 Setting-Type Joint Compound is chemically-setting powder compounds for drywall interiors and exterior soffits that permit same-day joint finishing and, usually, next-day decoration to ensure rapid job completion and earlier occupancy. Durabond 20 provides low shrinkage and superior bond, making it excellent for projects like laminating drywall and patching plaster surfaces. SHEETROCK® brand DURABOND® setting-type joint compounds are chemically-setting powder compounds for drywall interiors and exterior soffits that permit same-day joint finishing and, usually, next-day decoration to ensure rapid job completion and earlier occupancy. They provide a hard, plaster-like surface when dry and are virtually unaffected by humidity. They are also ideal for heavy fills. They provide low shrinkage and superior bond, which make them excellent for laminating gypsum panels to gypsum panels, to sound-deadening boards, and to above-grade concrete surfaces.
Login / Signup 
Full Description & Specs