Henry® 785 Asphalt Emulsion (trowel grade) is a heavy-bodied product designed for damp proofing the exterior side of below-grade foundations and walls. Above grade, Henry® 785 Asphalt Emulsion (trowel grade) provide a "breathable" moisture barrier used for damp proofing exterior walls in cavity wall construction. This heavy-bodied emulsion is made from selected asphalt, emulsified with bentonite clay, cellulose fibers and water. It contains no solvents.