Instant Roof Nui Crack |top| Direct

Take a wire brush or the edge of a pry bar. Scratch the surface around the crack. This gives the instant sealant a "tooth" to grab onto. Wet roofing is slippery; you need a mechanical bond.

If you have a leaking roof right now, the area is wet. If you apply standard caulk over a wet "Nui Crack," you are sealing the water inside the crack. The water will freeze, expand, and pop the caulk out within 24 hours. Instant Roof Nui Crack