The original exterior grade gypsum cement. USG Duracal® Cement: is a specially formulated above-grade concrete patching material. Positive expansion allows traffic return one hour after set. Ideal for expressway, road, ramp, bridge, parking lot and commercial concrete floor repair, and even sculpture reproduction. Duracal can be applied "neat" or with aggregate –it mixes with equal parts of both sand and coarse aggregate and a measurement of water. Achieves sufficient strength to accept traffic just one hour after setting. Is exceptionally durable; withstands freeze-thaw cycles, salt application and heavy traffic. Performs in temperatures as low as 32° F NOTE: DURACAL cement is not recommended for use in structural applications.
