Blog Post

Vermiculite and Your Home Inspection

  • By Shane Serra
  • 25 Mar, 2019

If you are having a home inspection performed on a home constructed between the early 1950’s up to the late 1970’s, there is an increased possibility that the home may be insulated with vermiculite insulation.

What is Vermiculite?

Vermiculite is a hydrated magnesium aluminum silicate mineral which is mined and appears very similar to mica (see attached photo). It can be found in various parts of the world and is used in many different applications, including attic insulation in older homes.

What Is The Problem With Vermiculite Insulation? 

The potential issue with vermiculite insulation is it can contain friable asbestos fibers which if inhaled has been linked to lung cancer, this why vermiculite insulation is a fairly hot topic among home inspectors, buyers and real estate agents.

Vermiculite Insulation & Home Inspection

What should you do if vermiculite insulation is discovered by your home inspector during your home inspection? Don’t panic. Not all vermiculite insulation is contaminated. The best course of action is to consult with a testing & remediation specialist to have the insulation tested. If the material is contaminated, then it’s best to have the insulation removed by a professional, which can be very costly.

If not, then it can be left alone or some people will choose to have it removed anyways due to the negative perceptions surrounding the product. If you happen to come across vermiculite insulation in your home, its best to leave it alone and do not disturb it! Consult a qualified professional to see what the next best course of action is. The presence of vermiculite during your home inspection can be a double edged sword, but its best to stay calm and do your homework being getting worked up about its presence.

Above Grade Home Inspections Inc. performs home inspections, thermal imaging, WETT inspections and mould inspections in Barrie, Alliston, Orillia, Collingwood, Innisfil, Wasaga Beach and across Simcoe County.

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