Understanding Off-Gassing: What It Is and How to Reduce It
After decades of helping homeowners create healthier spaces, one issue I hear about
constantly is off-gassing—the invisible release of chemicals from building materials that can
cause serious health issues. If you’ve ever noticed lingering odors from new paint, flooring, or
cabinetry, you’ve experienced off-gassing firsthand.
What Is Off-Gassing?
Off-gassing is the slow release of unreacted chemicals—called volatile organic compounds
(VOCs)—from solid materials like paint, carpet, or plywood. Even after paint is fully cured and
dry, it can still emit chemical vapors for months or even years. And it’s not just paint—many
common materials like adhesives, sealants, foam, vinyl, and particleboard do the same.
It’s important to understand: “Zero-VOC” does not mean non-toxic. Products labeled as such
can still contain hazardous air pollutants like formaldehyde or isocyanates, which aren’t
regulated under VOC rules. So, the label alone isn’t enough when it comes to protecting your
health.
How to Reduce Off-Gassing
There are three main ways to deal with off-gassing in your home:
- Remove the Source
If you can identify and replace the product causing the problem—like a cabinet made
with particleboard—that’s the most effective solution. But it’s often the most expensive. - Increase Ventilation
Fresh air is a powerful tool. Open windows, use fans, and bring in outside air to dilute
and remove chemical vapors, especially when materials are new. But remember, some
materials off-gas for decades—ventilation alone may not be enough. - Use a Sealer
If replacement isn’t feasible, sealing the material with a non-toxic product (like AFM
Safecoat) can reduce or block emissions. This works well on walls, cabinets, and even
carpets.
What Not to Do
Avoid the so-called “bake-out” method, where heat is used to force materials to release VOCs
faster. It can actually make things worse, damaging materials and releasing even more
chemicals into the air.
Final Thought
Off-gassing can’t be forced—it happens naturally over time. The best way to protect your
indoor air quality is by choosing safer materials up front, using sealers when needed, and being
patient as materials settle. Healthier homes are possible with the right knowledge and choices.
Health Starts at Home
You can find a large collection of healthy home materials at The Green Design Center, where Andy offers consultations on all materials and solutions. You can also learn more about Andy’s podcast Non Toxic Environments at NTE LIVE! or follow Andy on LinkedIN , Instagram, and YouTube to learn more about creating your own healthy home.
Find more Healthy Home tips from Andy Pace
- Understanding Off-Gassing: What It Is and How to Reduce It
- Safe Surfaces: The Best Non-Toxic Countertops for Your Home
- Building for Better Living: How Healthy Materials Are Shaping the Future of Wellness RealEstate
- Keep Your Bathroom Dry, Healthy, and Mold-Free: Practical Tips for a Spa-Like Retreat
