Test Information

Nu-Wool Specifications

UL Online Certifications Directory Documents:

 Fiber, Sprayed

 Loose Fill Materials

UL Evaluation Reports:

UL ER8078-01

The federal government requires that all building insulation must pass the following tests in order to be sold and installed in the United States.

16 CFR Part 1209 - Consumer Products Safety Standard

This standard tests for settled density, corrosiveness, critical radiant flux and smoldering combustion.

ASTM C-739

This test incorporates 16 CFR Part 1209 and adds tests for R-value, moisture absorption, odor and resistance to fungal growth.


This test determines the flame spread and smoke developed during a fire.


Nu-Wool passes all of those tests as well as HH-I-515E, the standard required by the Government Services Administration for use in government projects.