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The Controversy of Spray Foam Insulation – Take Charge Chicago

The Controversy of Spray Foam Insulation

New Generation Spray Foam insulation creates a tight air seal, which helps cut energy costs and improve indoor comfort. It also protects against mildew, mold and other indoor contaminants.

Compared with traditional fiberglass batts or blown cellulose, spray foam has the added benefit of being able to fill every crack and crevice. It creates a custom fit within the building envelope, stopping air leakage that accounts for up to 40 percent of a home’s energy cost.

In fact, this acoustic insulation is so effective that many homes built today are constructed with spray foam in their attics and walls. However, some manufacturers use blowing agents with a high global warming potential (GWP). And, as a result, these products have become controversial.

Green Living Made Easy: The Environmental Benefits of Spray Foam Insulation

The chemicals in the spray are amines and isocyanates, and when sprayed incorrectly or under the wrong conditions, they can fail to cure properly. They can continue to off-gas for years. This is especially true in homes with poor ventilation systems such as tiny houses and shipping container homes.

It’s not surprising then that homeowners are concerned. When these chemicals are off-gas, they can cause a range of health problems from asthma and rashes to headaches, eye irritation, skin rash and more. This is why it’s important to have a qualified professional install your spray foam insulation.

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