Closed-cell is more expensive, but this investment will pay off in lower energy bills due to the higher R-value per inch.
While the specifics will change with each home, the consensus is that attic power fans use more energy than they save.
Many older homes have little or no insulation, which leads to drafts and higher energy bills.… Cold rooms in winter and hot rooms in summer.
Find out more about when is it just too cold to apply spray foam and what is required to apply it during cold weather.
Chicago has the “perfect storm” for mold and mildew to grow inside buildings and residences. View top strategies to avoid mold in your home.
Adding spray foam first means you can purchase a smaller HVAC unit, but you need proper ventilation or you will have humidity and mold issues
If your home has the typical pink fiberglass insulation and the roof should begin to leak, you will have a real mess on your hands.
Spray foam is one of the best air barriers in the world. Spray foam will fill all cracks and crevices. It is extremely sticky, if you will, and has no problem adhering to all types of building materials.
Since spray foam is both insulation and an air sealant, it works double duty, providing your home with the best insulation possible.
Unvented attics also offer substantial energy savings when combined with spray foam insulation.
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