4EvaSeal® Underlayment

Butyl sealant tape

4EvaSeal® Butyl

Our Butyl Flashing Tape is a 25 mil, UV resistant, cold applied butyl based tape designed to provide protection against water intrusion on windows, doors, etc, with a service temperature up to 300°F (149°C).

For most surfaces, the Flashing Tape does not require the use of a primer prior to application.



Use 4EvaSeal® Butyl For:

Appropriate for use on roof decking where bitumen based tapes are undesirable or where high temperatures exist. Provides a permanent barrier against water intrusion.

Wood, plastics, metals, and most common construction materials.


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