Huntsman's FOAM-LOK 2000 is a closed cell spray applied foam, which was developed using an EPA approved next generation blowing agent which when installed following application guidelines adheres tenaciously to framing members and substrates. FOAM-LOK 2000 closed cell spray foam provides superior energy economy and durability while significantly reducing unmanaged moisture and air infiltration. As a component of a systems approach to proper building envelope construction, FOAM-LOK 2000 closed-cell spray foam provides exceptional performance in minimizing heat transfer, moisture gain, air leakage, and improving racking strength.