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Welcome to Market & Moments, where real estate broker Susan Kadilak shares market updates and lessons learned from more than two decades in the business.


Every home has a story, and sometimes that story is hidden in the attic.

We were recently working on the sale of a well-maintained 1960s ranch that appeared to be in excellent condition. The home inspection was progressing smoothly until the inspector climbed into the attic and identified what appeared to be vermiculite insulation. Like many people, our clients had never heard of it. A closer evaluation confirmed that the attic contained vermiculite, a material commonly used as insulation and installed in homes from the early 1900s through the 1990s. While vermiculite itself is a naturally occurring mineral, some of the material sold during that era was contaminated with asbestos, making it a concern whenever renovations or attic work are planned.

After obtaining estimates, we learned that the cost to professionally remediate the vermiculite exceeded $10,000, and that figure did not include the cost of installing new insulation once the attic had been cleared. Fortunately, the issue was identified before closing, giving both parties the opportunity to find a solution to account for the unexpected expense that both the buyer and seller felt was fair.

If you suspect you have vermiculite in your home, there are resources that can help with the cost of removal.  Mass Save provides information on grants to help mitigate asbestos, and some properties may qualify for a rebate from the Zonolite Attic Insulation Trust to help cover the cost of removal.

Vermiculite insulation is often described as looking like cat litter.

Finding vermiculite isn’t necessarily a deal breaker, and it certainly doesn’t mean a home is unsafe to occupy. In many cases, if the material remains undisturbed, it poses little immediate risk. The concern arises when homeowners plan to remodel, add recessed lighting, install HVAC equipment, or even use the attic for storage, all of which can disturb the insulation if asbestos is present. Because vermiculite cannot be identified as containing asbestos through a visual inspection alone, experts generally recommend treating it as though it contains asbestos until proven otherwise.

This experience serves as a reminder of why home inspections are so valuable. Some of the most significant issues in a home are discovered only after a qualified inspector takes a closer look. Whether you’re buying, selling, or planning a renovation, understanding what’s behind the walls, or above the ceiling, can help you avoid costly surprises and make informed decisions before they become expensive ones.

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