OPEN-CELL Spray Polyurethane Foam Insulation Products OPEN-CELLSpray Polyurethane Foam Insulation Products Cost Effective Solutions for Improving Energy Efficiency WHY OPEN CELL? Open-cell spray foam is a thermal insulation material that expands 120 times its initial volume, fills cavities of any shape, and adheres tenaciously to most building materials and framing members. It provides a continuous, … Continue reading Open-Cell