When sprayed, spray foam expands and fills every crack and crevice, creating an airtight barrier that significantly reduces energy costs. It also helps prevent mold and mildew by blocking the mass transfer of water.
When choosing a spray Insulation Contractor, look for one certified by a recognized organization such as the BPI, ICC, or Green Seal. These organizations verify the spray insulation contractor follows rigorous standards for training, equipment, and materials to ensure quality work.
The insulating properties of spray foam are dependent upon the internal structure of the product, which can differ between open- and closed-cell varieties. Open-cell foam has a lower R-value than closed-cell spray foam, and it can shrink and lose its insulating value over time. Closed-cell spray foam can be more expensive than open-cell, but it is more physically robust and provides a better insulating R-Value per square foot.
The Ins and Outs of Spray Foam Insulation: A Comprehensive Guide for Homeowners
If you choose to hire a professional, ask them which type of foam is best for your project. Closed-cell spray foam is a better choice for homes, while open-cell spray foam is more appropriate for commercial projects and pole barns.
When spraying your home, a trained technician will wear a mask to protect themselves from the volatile organic compounds (VOCs) released during the spraying and curing process. It is highly recommended that you and your family vacate the home during this time, as it will take a few days for the spray to completely cure and off-gas.