All of our information is sourced from manufacturer data.
Reef Industries, Inc.
Vapor Retarder (Class I)
Ceiling, Sloped Roof, Wall
Standard Sizes: 4' 0", 4' 4", 4' 8", 5' 0", 5' 4", 5' 8", 6' 0"
Standard Sizes: 8' 4"
Manufacturer Design Notes
It is specifically engineered to provide high strength and durability in a lightweight material.
Rate of airflow through the barrier per square foot at a specified pressure difference
Product Weight Per Area
Roll Tensile Strength
Weight needed to break the roll, per inch of width
Water Vapor Transmission
An imperial perm is defined as 1 grain of water vapor per hour, per square foot, per inch of mercury
Minimum Temperature Rating
The lowest temperature that the product has been confirmed to still function at.
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