Foamsulate™ 50-HY system is a two component, 1 to 1 by volume, spray applied, semi-rigid polyurethane foam. Foamsulate™ 50-HY is 100% water blown. Foamsulate™ 50-HY is a open-cell material and is excellent for insulating, air sealing, and noise reduction. It contributes to providing a self-adhering, seamless building envelope that reduces air, dust, pollution, and pest infiltration. It is designed for use in interior commercial and residential construction applications and is compatible with most common construction materials.