All of our information is sourced from manufacturer data.
Vapor Retarder (Class I)
Ceiling, Sloped Roof, Wall
Standard Sizes: 3' 6", 5' 0", 6' 0", 6' 6", 7' 0", 8' 0", 9' 10"
Standard Sizes: 5' 5-9/16"
Manufacturer Design Notes
DELTA®-MS UNDERSLAB is a dimpled membrane, impermeable to water and water vapor. It acts as concrete waterproofing and vapor retarder.
Rate of airflow through the barrier per square foot at a specified pressure difference
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
Product Weight Per Area
lb / ft ^ 2
Minimum Temperature Rating
The lowest temperature that the product has been confirmed to still function at.
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