QUIK-SHIELD 144 is free of Hydrofluorocarbons (HFCs) meeting Global Warming Potential initiatives. With an R-Value of 7.5 per inch, QUIK-SHIELD 144 offers superior performance and serves as an air barrier ideal for both residential (IRC) and commercial (IBC) construction. QUIK-SHIELD 144 has a very clean application allowing you to spend less time cleaning or touching up and finish jobs quicker.