The Risks of Spray Foam Insulation

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Spray foam insulation offers great energy savings and comfort. It can seal air leaks between the studs, joists, and beams in wood-frame homes.

It also provides a superior R-value (a measure of thermal resistance) per inch compared to fiberglass batt insulation in similar thicknesses. Homeowners will enjoy lower utility bills and reduced repair and pest control costs over time.

However, spray foam insulation can off-gas toxins and create poor indoor air quality, especially if it’s applied incorrectly or not allowed to cure properly. Homeowners must understand the risks of this type of insulation and compare it to other options before making a decision.

During the rough-in phase, spray foam can be used in walls and floors to fill cracks and voids, such as those around plumbing and electrical wiring. It is a great material to fill tight spaces that would be difficult to insulate with conventional products, such as foam board or cellulose.

Choosing Quality: Why Spray Foam Insulation Stands Out

It is also a good choice in the attic to fill joists, trusses, and beams where conventional products may be difficult or impossible to install. Spray foam is available in open- or closed-cell form. Open-cell spray foam is softer and more flexible than closed-cell. It has greater elasticity and can conform to wall framing more than closed-cell foam.

Closed-cell spray foam has a more rigid structure because the cells are fully encapsulated. This type of spray foam is generally used in the attic and in the corners of the home where there are gaps and crevices. It is a good choice to seal areas around plumbing and electrical boxes, as well as around ducts, electrical wires, and other obstructions that can reduce the R-value of the duct. Both types of spray foam should be installed by a trained professional to ensure proper installation and safety. Homeowners should be aware that spray foam insulation will off-gas a number of volatile organic compounds during the actual application and curing process. It’s recommended that the homeowner vacate the home during this time and wait until the house is ventilated and free of VOCs before returning.

Quality Insulation
205 Hawk Trail #2, Winchester, VA 22602, United States
540-532-5929

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