Huntsman Building Solutions Heatlok HFO Pro
![Huntsman Building Solutions Heatlok HFO Pro](https://www.sprayfoammagazine.com/photos/gear-guides/main/0b621f46b173644f13bd4333023e2542b26c8e7f.jpeg)
Heatlok HFO Pro, with an R-value of 7.4 at 1", is designed as a continuous insulation solution with an ultra-low global warming potential blowing agent. Tested and certified as an air, thermal, water, and vapor barrier. It is unique due to its superior yield and industry-leading R-value. This product is ideal for contractors utilizing Closed Cell Foam on an exterior application whether it is residential or commercial.