Benefits and Drawbacks of Spray Foam Insulation

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When correctly installed, spray foam insulation can dramatically lower a building’s energy costs. This is because it creates an impenetrable air barrier that seals a structure from outside elements, keeping heat inside and cold out. It is also highly effective at reducing HVAC expenses by lowering the load on heaters and air conditioners, cutting utility bills by, on average, 50% right away.

A key benefit of spray foam insulation is that it stops air leaks, which are typically one of the largest factors in rising heating and cooling costs. The cellular nature of the material makes it an excellent sealant, creating a tight, impenetrable barrier that is very difficult to breach.

Other benefits of spray foam include its ability to strengthen the integrity of walls and structures. It also helps reduce noise, as it can encase sound waves and mute vibrations. It is also very durable, holding up well against dents, scratches and other damage.

Spray Foam Insulation: A Sustainable Choice for Your Home

The primary drawback of this type of insulation is the toxicity of the blowing agents it uses to take shape. These chemicals, including isocyanates and polyurethane, are powerful irritants to the eyes, gastrointestinal tract, and respiratory system if inhaled or directly contacted. This makes safety equipment an absolute necessity during spraying and installation, as does proper ventilation.

Another potential issue is that spray foam may not be appropriate for all buildings, especially those with wood framing. While the synthetic material does not attract rodents, it is possible that termites and carpenter ants could chew through it, and regular pest control is still important to ensure your home remains safe and healthy.

Allstate Spray Foam Insulation
19308 Orange Belt Dr, Strathmore, CA 93267
(559) 739-9519


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