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There are three key ways to measure insulation effectiveness:
- R-value: rates the amount of air that moves through a given space. The higher the R-value, the less air movement. Adding r-value does not, however, create a true air barrier.
- Air barrier: controls the flow of air between conditioned and unconditioned space. Some forms of insulation do not qualify as air barriers (e.g. fiberglass insulation).
- Vapor barrier: does not allow diffusion of moisture between spaces. Certain types of foam insulation qualify as vapor barriers, while others qualify as vapor retarders.
Insulation helps keep your home warm in the winter and cool in the summer. There are several common types of insulation, including fiberglass (in both batt and blown in forms), cellulose and spray foam insulation. When correctly installed, each type of insulation can deliver comfort and lower energy bills, especially during the hottest and coldest times of the year.
Insulation cost varies based on a variety of factors including the type of insulation used, area to be insulated and the scope of the project. The insulation cost can be determined more specifically by a visit to the project site by one of our team members.
To learn more about insulation, visit our insulation videos page.
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