#900 SOLAR SEAL - based on terpolymer technology which offers an alternative to silicone & urethane sealants. Protect your investments with High performance terpolymer chemistry that provides exceptional weather resistance, adhesion, elongation and color stability to SOLAR SEAL #900. Formulated for Vinyl, Fiber-Cement siding, Fiberglass, Cedar, Kynar Coated Architectural Metals, Brick & Masonry, Sky Lts Sun Rooms, Truck Trailers, Termination Bars & Flashing,