Schonox AST Synthetic Gypsum Smoothing & Floor Patch Compound (10 lb.)
Synthetic Gypsum-Based, Rapid-Drying, Smoothing and Patching Compound provides a smooth finish on various substrates in interior areas. Can be installed as a true featheredge up to 1/4″. Excellent for light repair over gypsum substrates in multi-family applications. Over cement, preferably, use Schonox SL.