Butyl Tape

Butyl tape is a perfect addition to any vapor barrier project. It creates a long lasting airtight seal.

  • butyl tape

Product Overview

This double sided butyl tape aids in installation by forming an airtight seal between the liner and foundation wall prior to installing the fasteners. This tape is also extremely effective in sealing the seams of vapor barrier liner and around piers. Our tape is 1” wide x 50’ long and is sold individually or by the case which contains 15 rolls.


  • Double Sided Butyl tape
  • water resistant
  • effective at sealing air space
  • individual rolls or by the case of 15 rolls


  • 1" wide x 50 ft rolls

Product ID

  • WC-BTL

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Customer Reviews

Average rating for Nash Distribution is 4.98 stars of 5 stars - based on 30 reviews

I use the 20 mil vapor barrier from Nash on my crawl space projects. The product is heavy duty and the service from ordering through shipping is unbeatable!!!

Eric G. - Integrity Plus Insulation - Prentice, WI 54556

I love using your crawl space vapor barriers! They're so easy to work with!

Steven K. - Lincoln, NE 68504