What No One Tells You About Spray Foam Insulation and Indoor Air Quality
By Graham Mann | Published: 11/18/2025
Learn how spray foam insulation affects indoor air quality, health risks, and explore safer alternatives for a healthier home.
What No One Tells You About Spray Foam Insulation and Indoor Air Quality Spray foam insulation is highly effective for energy efficiency but can impact your indoor air quality. During installation, it releases VOCs (volatile organic compounds) and isocyanates, which may cause health issues like headaches, respiratory irritation, or even long-term risks if not handled properly. Proper installation, curing, and ventilation are critical to minimizing these risks. If you're concerned about air quality, here’s what you should know: - VOCs and Health Risks: Spray foam emits chemicals like formaldehyde and TCPP during curing, which can linger for days or weeks. - Installation Matters: Poor application increases off-gassing and odors. Always hire trained professionals. - Curing Process: Follow manufacturer instructions for cure times (24–72 hours) and maintain ventilation. - Safer Products: Look for certifications like GREENGUARD Gold(https://www.ul.com/services/ul-greenguard-certification) or...
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