Tremco® 440 Tape is a 100% solid Polyisobutylene cross-linked butyl, preformed sealant. 

Typical Uses:

• Tremco 440 Tape is used for non-compression glazing of vision lites and spandrel panels in PVC metal and wood frames, in low-rise building construction, not exceeding 75 UI.
• Tremco 440 Tape is also 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.