Henry 880 Tropi-Cool Stop Leak 100% Silicone Spray Sealer is a premium easy-to-use 100% silicone aerosol leak sealer formulated to provide a permanent leak-proof seal on a variety of surfaces. This multi-purpose leak sealer waterproofs and protects gutters skylights flashing roofs RVs campers windowsills foundations boats cars concrete glass metal and more.
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