This ready-mix joint compound from CertainTeed is lighter than conventional ready-mix joint compounds. It's designed for all phases of drywall finishing: taping and finishing of wallboard joints, trimming corners, and fastening. Moreover, it's perfect for patching and repairing of plaster walls, skim coating and simple texturing. In fact, it can be used on any interior gypsum board. This 17 L carton package is easy-to-apply and provides a total coverage of 500 sq. ft. It really is one of the most efficient products in its category! It also provides good workability and low shrinkage for the 2nd and finish coats. Also, it's ready mixed to help you save time.