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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. Allow to dry before apply Dyco 890. Not for rubber roofs.  |
