This double-sided butyl tape is compatible with most common building materials and helps you achieve airtight and watertight seals that can also withstand humidity and chemicals.Tyvek® Butyl Tape is most effective when used under compression for example, under a timber batten. It is recommended for perimeters, chimneys and abutments, and also for sealing nail penetrations and around electrical sockets.FeatureBenefitForms a moisture-and-airtight sealHigh resistance to water, humidity, environmental cycling and chemicalsHigh immediate tackStrong adhesion to many different surfaces, where an acrylic Tape is not applicable (for sandy surfaces Tyvek® Primer is recommended)
