Henry 885 Tropi-Cool 100% Silicone Wet Patch Roof Leak Repair Sealant is a high solids dispersion of 100% silicone. It stops leaks instantly on wet or dry surfaces. It offers excellent UV resistance and weathering performance with no hardening， chalking， crazing， or cracking， and is mold and mildew resistant. It also offers excellent adhesion to a wide variety of building materials.
Stops leaks instantly
Works even under water or in driving rain
Ponding water resistant
Easy cold or hot weather application
Exceptionally versatile - tough and yet flexible
Excellent adhesion - vertical and horizontal applications
Superior UV resistance and weathering performance
No hardening， chalking， crazing， or cracking
Wide application temperature range from 35°F to 120°F (2°C to 49°C)
Ready-to-use and easy to apply by trowel
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