BLACK JACK 10-fl oz Waterproofer Cement Roof Sealant in ...
BLACK JACK 10-fl oz Waterproofer Cement Roof Sealant. Item # 11818 Model # . Waterproof - forms a tight, strong seal. Roof coating is versatile and can be used on dry or damp surfaces. Coating is flexible and will stay soft and pliable. slider closed.