Products / Black-Knight / Black-Stallion Mastic

Cold-applied, trowel-grade, non-sag roofing mastic of a polymer-modified coal tar compound, for waterproofing and repairing built-up roofing, flashings and other roof structures on vertical and horizontal surfaces. The data sheet lists 87 percent non-volatile content, VOC of 200 g/L, repair coverage at 1/4 in. thickness, and 5 gallon pails.