• Use for taping and finishing Sheetrock 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 • Sanding ease similar to a ready-mixed, all-purpose joint compound • 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 • Weighs 25-percent less than conventional setting-type compounds • 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 • Meet ASTM Standard C475. • 18-POUND BAG • Set Time Min=20