Butyl Tape - Crawl Space Tape Wall Liner


Butyl tape sticks to masonry surfaces and polyethylene. The two-sided tape easily mounts and sticks to vertical surfaces and creates a secure seal. It's a great alternative to hammering nails to fasten the poly liner to the foundation wall of a crawl space.

  • Butyl Tape is made of tacky butyl rubber - 1 inch wide x 50 feet long.
  • Sticks to most masonry surfaces and polyethylene (Vapor Barrier).
  • Two-sided tape allows mounting on vertical surfaces and creates a seal.
  • Can be used as an alternative to using nails or screws to fasten the poly liner to the foundation wall in the crawl space.
  • Butyl Tape can be used to seal the wall liner to insulation board if the insulation board is used on the crawl space wall first.
  • Butyl Tape can be used to attached the wall liner to the crawl space wall after it has been acid washed.
  • If encapsulating, consider using Capped Vapor Barrier Stakes, Recessed Foundation Vent Covers or Outward Mounted Vent Covers as well!
  • SKU: BTPS1x50
  • Shipping Weight: 2.00 lbs
  • Shipping Dimensions: 10" x 8" x 2"
Price: $32.99
  • Better Business Bureau Accredited Business
  • International Code Council Member
  • Tidewater Builders Association Member
  • Tidewater Builders Association Green Council Member

Why buy a crawl space door, flood vent,
air vent, or portable fan system?

  • Save Money

    Save Money

    Save money on your utility bill with our ventilation, door, fan and vent cover products. You can save money on your flood insurance premiums with our FEMA compliant flood vent.

  • Protect Your Home

    Protect Your Home

    Moisture in the crawl space rots the wood under your home. Reduce the moisture in your crawl space with our crawl space doors, louvers, flood vents and portable exhaust fans.

  • Protect Your Family

    Protect Your Family

    A damp crawl space is unhealthy. Mold thrives in damp areas causing millions of airborne mold spores to enter your home. Toxic mold spores can be deadly to children and those with allergies and COPD.

  • Save Energy

    Save Energy

    Use our crawl space air vents and doors to ventilate your crawl space with natural air flow or forced air with our energy efficient exhaust and portable fans.

  • Save The Environment

    Save The Environment

    Reducing the moisture in your crawl space reduces mold that releases airborne mold spores into the environment.

  • Green Crawl Space

    Green Crawl Space

    Ventilate your crawl space with natural air flow with our crawl space air vents, louvers, and exhaust fans.

Check out our crawl space videos