Henry introduces this extreme leak stopper roof patch which is a premium quality patching compound. This patching compound is a rubberized, SEBS modified asphaltic sealing compound with excellent adhesion. Use this liquid rubber sealant for flashings and a wide variety of waterproofing uses. Henry wet patch is especially of great help at moving joints where its flexibility and elasticity make it superior to standard plastic cement. With glossy black, easy spreading, and non-sagging features, this waterproof sealant may be applied from 1/4 inch thick to a feather edge. The Henry roof coating is ideally an Elastomastic roof patch that helps you bid goodbye to roof leaks. Use this roof patch for commercial and residential purposes.