Henry® 885 Tropi-Cool® 100% silicone seam and repair roof sealant is a high solids dispersion of 100% silicone. It offers excellent UV resistance and weathering characteristics 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.
Ponding water resistant
Exceptionally versatile, tough and yet flexible
Excellent adhesion, vertical and horizontal applications
Superior UV resistance and weathering characteristics