All of our information is sourced from manufacturer data.

Air-Bloc All Weather STPE

Henry Company

Air-Bloc All Weather STPE

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Fluid Applied Membrane Fluid Applied Membrane

Mineral Mineral

Air Barrier, Sloped Ceiling Air Barrier, Sloped Ceiling

Concrete Surfaces, Masonry Surfaces, Unfinished Floor Concrete Surfaces, Masonry Surfaces, Unfinished Floor

Design Options

Product Description

Henry® Air-Bloc All-Weather STPE is a low VOC, UV, and fire-resistant fluid-applied, elastomeric membrane designed to provide a vapor-permeable, water-resistive air barrier when applied to above-grade wall assemblies.





Standard Sizes: 0"

Sheet Length


Sheet Width


Manufacturer Design Notes

Excellent adhesion to most substrates; can be applied to damp surfaces. Acceptable substrates are exterior-grade gypsum sheathing, plywood, OSB, precast or cast-in-place concrete, primed steel, aluminum mill finish, anodized aluminum, and galvanized metal.

Performance Data

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

perm (imperial)


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



Film Tensile Strength

Pressure required to break the film



Air Permeance

Rate of airflow through the barrier per square foot at a specified pressure difference

cfm /ft^2 @ 1.57 psf


Henry Company