The new Viper II 6-mil under-slab vapor retarder exceeds all ASTM E 1745 Class C Specifications for plastic water vapor retarders used in contact with soil or granular fill under concrete slabs.
- 14-ft. by 210-ft. rolls
- Made from the latest generation of prime virgin resin
- VIPER II is also available in 10-mil Class C, 10-mil Class A and 15-mil Class A
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