Spray foam insulation is a great choice for improving the energy efficiency of homes and buildings. It’s an effective insulator because it blocks radiant heat transfer, and it creates an air-tight envelope that prevents moisture from entering a space. Whether you’re looking to improve your own home or are in the process of building a new construction, learning about the difference between open- and closed-cell and the cost of spray foam is essential.

Closed-cell spray foam polyurethane foam is a little more expensive than open-cell, but it’s also a better insulator per board foot. In addition, it provides a moisture barrier and doesn’t develop mold or mildew in high-moisture conditions. It’s also physically stronger and can be used on walls in existing structures.

Beyond the Basics: Mastering the Benefits of Spray Foam Insulation”

Regardless of which type of spray foam you choose, the overall installation cost depends on the square footage of the area and the professional contractors you choose to work with. While DIY kits are available for those confident enough in their abilities to handle smaller projects independently, achieving consistent coverage and proper expansion without prior experience is difficult.

Professional spray foam contractors use specialized spray rigs that are designed to mix and spray the two liquid components together in a precise application. Once the “A” side and “B” side are applied to each other, they undergo a chemical reaction that allows the foam to expand to fill in gaps and crevices. The foam then begins to harden and cure.
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