Viper® CS Crawl Space Vapor Barrier
A BETTER WAY TO ENCAPSULATE™
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Cross-Woven
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Tear Resistant
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Odor Free
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Moisture Barrier
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Radon Barrier
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Lifetime Warranty
Made Smart
Viper CS manufacturing begins with premium quality virgin resin containing no recycled content. Our resin is then converted to strands of polyethylene and woven together in a tight hatch pattern. The cross-woven membrane is finished by coating both sides with proprietary extrusion layers.
Unlike crawl space vapor barrier products containing reground/recycled plastic, Viper CS resists punctures and tears during install and will not break down over time.
Made Tough
The engineered composition of Viper CS gives it superior tear strength, puncture resistance and water vapor permeance when compared to traditional crawl space barrier materials.
High marks on critical performance specifications make this crawl space moisture barrier well-suited for demanding environments both during and after install.
Made for Crawl Spaces
Viper CS comes in a bright white color giving the crawl space a fresh, clean look while combating the harmful effects of radon, moisture, mold and mildew.
Installing vapor barrier under a house properly is critical for the longevity of high performance encapsulation projects. To promote best practices and professional grade installs, ISI supports a nationwide distribution network and year-round training opportunities.
16 MIL
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Roll Size: 12’ x 100’
Approx. Weight: 55 lbs/MSF
Rolls Per Pallet: 25
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10 MIL
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Roll Sizes: 6’ x 100’, 12’ x 100’, 4’ x 200’
Approx. Weight: 38 lbs/MSF
Rolls Per Pallet: 25
* Special Order CLEAR Available
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6.5 MIL
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Roll Sizes: 6’ x 100’, 12’ x 100’, 4’ x 200’
Approx. Weight: 30 lbs/MSF
Rolls Per Pallet: 25
* Special Order CLEAR Available
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Accessories
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Viper CS Tape
Viper Vapor Tape is a white polyethylene coated film with an aggressive adhesive designed for seaming, splicing, sealing, patching and hanging vapor barrier materials.
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Viper CS Double Bond Tape
Viper Double Bond Tape is a double-sided butyl tape used for “double-locking” seams and as a gasket material between vapor barrier membrane and foundation walls.
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Viper CS Pier Wrap
Viper Pier Wrap utilizes our Viper CS configuration and is conveniently sized to help complete install details around pipes, penetrations, piers and structural supports.
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Viper CS Liner Pins
Viper Crawl Space Liner Pins are the best way to secure vapor barrier materials to masonry walls providing a strong mechanical attachment in concrete block, brick or stone.
Training & Support
Send Us A Message
Contact us to find out how we can provide the best value and service for your next project.