A home often loses conditioned air through places you rarely notice. Small gaps around wall cavities, rooflines, plumbing penetrations, and attic spaces allow air to move between indoor and outdoor areas. Your heating and cooling system then works harder to maintain a comfortable temperature. Insulation helps control this movement. Spray foam insulation takes the process further by expanding after application and filling spaces where traditional insulation materials often leave gaps. So, how does spray foam insulation work, and what should you know before choosing this option for your home? Understanding the material, installation process, and different foam types helps you make a more informed decision. What Is Spray Foam Insulation? Spray foam insulation is a material applied as a liquid mixture. After application, the mixture reacts and expands into foam. The expanded material adheres to surfaces and fills gaps within the treated area. Once cured, the foam forms a continuous…
