Yes and yes. Spray foam insulation, properly known as closed-cell spray polyurethane foam or SPF (no relation to your sunscreen!), has made such a mark on the insulation industry that there’s an entire magazine devoted to it. Proponents say there’s no better material for sealing your home from unwanted air and moisture, which in turn saves on utility bills and blocks out pests, airborne pollutants and allergens. In more and more new homes, it’s replacing the rigid foam insulation boards that were the norm.
In fact, when spray foam is used in a building envelope, it can outperform fiberglass insulation and create a superior air barrier. If it eliminates the need for an expensive building wrap or an additional vapor barrier, you start saving money during construction as well as when as you go to heat and cool your home.In some cases spray foam can be applied to the inside of roofs and under floors in existing homes and, of course, it can be used in a new addition.
Why is SPF becoming the new standard? Because it does more than insulate—it can protect your home in a variety of ways.
The Benefits Of Spray Foam Insulation
Finding A Pro
Look for an experienced professional who knows how to handle spray foam since there are different formulas that expand at different rates. An incorrect application around a window frame or doorjamb can make it the door or window inoperable. Also, excess, called “overspray,” can be messy to clean up and is wasteful. The products must also be used within a specific temperature range, so this is a job for a seasoned professional.
Photo courtesy of National Association of Certified Home Inspectors
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