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Viper II 15-Mil Class A

ISI Building Products

Viper II 15-Mil Class A

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Overview

Vapor Retarder (Class I) Vapor Retarder (Class I)

Mechanically Attached Mechanically Attached

Polymer Polymer

Ceiling, Sloped Roof, Wall Ceiling, Sloped Roof, Wall

Concrete, Masonry Concrete, Masonry

Design Options

Product Description

Viper II 15-mil is a unique high strength polyolefinbased under-slab vapor barrier specifically designed for preventing moisture migration through concrete slabson-grade. Viper II 15-mil reduces water vapor emission transfer and moisture migration from entering the building envelope on commercial, industrial and residential applications.

Sheet Width

Width

Standard Sizes: 14' 0"

Height

Thickness

Sheet Length

Width

Height

Standard Sizes: 11' 8"

Thickness

Thickness

Width

Height

Thickness

Standard Sizes: 0"

Manufacturer Design Notes

Viper II 15-mil controls condensation, mold, mildew, degradation and prevents costly flooring failures and damage to moisture sensitive furnishings within a building’s interior. Viper II 15-mil may be used to reduce radon and methane gas migration and is resistant to other adverse soil conditions.

Performance Data

Air Permeance

Rate of airflow through the barrier per square foot at a specified pressure difference

Product Weight Per Area

Water Vapor Transmission

An imperial perm is defined as 1 grain of water vapor per hour, per square foot, per inch of mercury

perm (imperial)

0.01

Roll Tensile Strength

Weight needed to break the roll, per inch of width

lbs / in

57

Minimum Temperature Rating

The lowest temperature that the product has been confirmed to still function at.

°F

-70

ISI Building Products

401 Truck Haven Road East Peoria 61611

866.899.5945

https://www.isibp.com