May be applied on fiberglass, aluminum, asphaltic aluminum coatings, urethane foam and metals. May be applied by paint brush or trowel. Clean up with Mineral Spirits. Repairs all leaks. If leaking areas are severe use fiberglass tape over the first layer of 20/20, then apply another layer of 20/20 over the taped area.

May be applied at freezing or above. The gallon will cover about 50-200 square feet of surface depending on thickness applied and smoothness of the seems.