Sheetrock Easy Sand Patching compound powder 4 lb lightweight. For patching applications on interior gypsum panels and exterior gypsum ceiling boards. Vinyl binder, nonasbestos and safe to handle. 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 usually and next-day decoration.