AMBI-SEAL 5.0 is an open cell polyurethane spray foam insulation. The improved heat stability of the resin allows for easy control and application robustness over a wide temperature range. AMBI-SEAL 5.0 shows excellent adhesion to a wide range of substrates typically found in building construction, as well as air seals and insulates in one step. AMBI-SEAL 5.0 meets the intent of the building codes for residential and commercial construction.