CGC Sheetrock® Brand 20 Setting-Type Drywall Compound is an excellent compound for embedding tape, bead, and trims. It's special formulation provides a lightweight product with a superior bond, permits same-day joint finishing and is easy to handle and sand. It is ideal for heavy fills and is unaffected by humidity. CGC Sheetrock® Brand 20 Setting-Type Drywall Compound can also be used in laminating gypsum panels to above-grade concrete surfaces. MAIN FEATURES €¢Easy to mix, apply and sand to a smooth finish €¢Exceptional bond with low shrinkage €¢Permits one day finishing with next day decoration €¢Impervious to humidity €¢Excellent for patch and repair work (deep fills and/or large cracks) €¢Sets in 20-30 minutes