It's made from two types of composite materials: polyurethane and isocyanate. When combined, these two materials chemically react with each other and cause their combined substance to expand and harden.
Upon application, the foam expands to fill all gaps, creating an impermeable barrier that effectively insulates against heat loss in winter and heat gain in summer. This type of insulation is known for its ability to provide high thermal resistance with less material than other types, making it both cost-effective and environmentally friendly.
Spray foam insulation comes in two forms: open-cell and closed-cell. Open-cell spray foam is more pliable and allows for moisture permeability, while closed-cell foam is denser and provides a higher R-value, making it more effective at insulating against heat transfer.
The choice between the two often depends on the project's specific requirements, including budget, structural needs, and climate considerations. Regardless of the chosen type, spray foam insulation is a powerful tool in energy conservation, helping to reduce heating and cooling costs for homes and businesses.
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