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.

Features & Benefits

• Forms a moisture-and-airtight seal
• High resistance to water, humidity, environmental cycling and chemicals
• High immediate tack
• Strong adhesion to many different surfaces, where an acrylic Tape is not applicable (for sandy surfaces Tyvek Primer is recommended)

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