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Perma R Products
PermaPro
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Overview
Mechanically Attached Membrane
Polymer
Sloped Ceiling
Exterior Walls Only, Unfinished Floor
Design Options
Product Description
Sheet Width
Width
Standard Sizes: 3' 0", 4' 6", 9' 6", 10' 0"
Height
Thickness
Sheet Length
Width
Height
Standard Sizes: 8' 4", 12' 6", 16' 3"
Thickness
Thickness
Width
Height
Thickness
Standard Sizes: 0"
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)
12
Roll Tensile Strength
Weight needed to break the roll, per inch of width
lbs / in
55
Perma R Products
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