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Henry Company
Air-Bloc 21
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Overview
Vapor Retarder (Class I)
Fluid or Spray Applied
Limestone
Ceiling, Sloped Roof, Wall
Concrete, Masonry
Design Options
Product Description
Thickness
Thickness
Sheet Length
Height
Sheet Width
Width
Performance Data
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
perm (imperial)
0.03
Product Weight Per Area
lb / ft ^ 2
10
Minimum Application Temperature
Minimum temperature that the product can be applied or installed
°F
10
Air Permeance
Rate of airflow through the barrier per square foot at a specified pressure difference
cfm /ft^2 @ 1.57 psf
0.0026
Henry Company
Henry Company999 North Pacific Coast Highway, Suite 800 El Segundo 90245
310-955-9200
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