Tremco 440 Tape is a 100 percent solid Polyisobutylene cross-linked butyl, preformed sealant
Tremco 440 Tape Product Data Sheet. It is unaffected by UV through glass and remains flexible at low temperatures. A 6-inch (150mm) toe bead of compatible sealant at each corner is required to minimize potential for water infiltration.
It can be used for non-compression glazing of vision lites and spandrel panels in PVC, metal and wood frames in low-rise building construction. And can be used for lap sealing between panels such as steel, aluminum and porcelain as well as a variety of other joints subject to shear between similar and dissimilar materials.
