Sheetrock Lightweight Joint Compound 20 18 lb

Sheetrock Lightweight Joint Compound 20 18 lb

• Weigh up to 25% less than conventional-weight setting-type joint compounds
• Sanding ease similar to a ready-mixed all purpose joint compound
• For best performance use with USG Sheetrock paper joint tape or fiberglass mesh joint tape
• For interior gypsum panels and exterior gypsum ceilings boards
• Covers approximately 340 sq. ft. per bag
• Meets ASTM C 475
• Check-crack resistance in heavy fills

Drywall mud. Use for taping and finishing gypsum panels, water-resistant, under tile in bathroom wall areas; and for finishing joints in exterior gypsum ceiling boards. Vinyl binder, nonasbestos, safe to handle, sand, use. Offers humidity resistance, exceptional bond with low shrinkage, and check-crack resistance in heavy fills. Permits same-day joint finishing, and usually, next-day decoration. Laminates gypsum panels to gypsum panels, to sound-deadening boards, and to above-grade concrete surfaces for filling and smoothing; finishes interior concrete ceilings and above-grade concrete. Meets ASTM Standard C475.