All of our information is sourced from manufacturer data.
WeatherBond Roofing Systems
SureMB 70 SA Base Ply
Vapor Retarder (Class I)
Ceiling, Sloped Roof, Wall
Concrete, Masonry, Wood Sheathing
Standard Sizes: 3' 0", 3' 3"
Standard Sizes: 5' 1", 5' 10"
Standard Sizes: 0-1/16"
Manufacturer Design Notes
Compatible with VapAir Seal™ Flashing foam.
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
Roll Tensile Strength
Weight needed to break the roll, per inch of width
lbs / in
Minimum Temperature Rating
The lowest temperature that the product has been confirmed to still function at.
Minimum Application Temperature
Minimum temperature that the product can be applied or installed
The force needed to break the barrier, in pound-force.
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