Typar Butyl Flashing Tape
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Split poly backing with butyl rubber copolymer adhesive peels quickly

Won't interact with most caulks and sealants

Contains no VOCs and won't off-gas

Maintains a flexible but tight seal

Superior air and water holdout, exceptional tear strength, and optimal breathability

Suitable for installation down to 30 degrees F

Thermally stable up to 180 degrees F


The Typar Butyl Flashing Tape is designed to peel quickly, stick fast, and keep projects on budget. The butyl based adhesive is formulated without VOCs, and is compatible with most caulks and sealants used for window installation. Compared to rubberized asphalt-based flashings, Typar Butyl Flashing simply brings more to the job. It’s pliable in cold weather. It’s stable at high temperatures. Plus it maintains a flexible, but tight seal for far greater durability and long-lasting performance.


Manufacturer Typar
Brand Typar
Adhesive Butyl Rubber Copolymer
Code Approval ASTM D-903, ASTM D-1970, and ASTM D-5034
Color Gray
Compatible Materials Most caulks and sealants
Installation Temperature 30 to 180 Degrees F
Material Woven Polypropylene Barrier with Butyl Rubber Adhesive
Package Quantity 1
Tensile Strength (PSI) 55
Ultraviolet Protection 180 Days
Warranty Limited Lifetime

Weights and Dimensions

Length (Feet) 75
Thickness (Inches) 20 mil

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