Swift Track Silicone Caulking.
One tube covers 1.5s/F using 8"x8" blocks.
TECHNICAL DATA: STS 200 is the very best quality silicone sealant, specially formulated exclusively for Swift Track, Inc. The SCS 200 is a one-part, non sag acetoxy cure silicone sealant that offers excellent adhesion and quick cure for the“Swift Track Glass Block System”. One tube should do 1.5 to 2 square feet.