USG 25Lb Bag Durabond 45 Min Joint Compound Powder

Chemically setting powder compound for drywall interiors/exteriors that permits same-day joint finishing and usually next-day decoration. Provides hard, plaster-like surface when dry and is virtually unaffected by humidity. Ideal for heavy fills. Provides low shrinkage and superior bond, making it excellent for laminating gypsum panels to gypsum panels, sound-deadening boards and above-grade concrete surfaces.