Henry Wet Patch Black Asphalt All-Weather Roof Cement 10.1 oz (Pack of 24)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,