Inspect for Vermiculite - Zonolite
In Canada, nearly 300,000 homes were insulated with vermiculite that was contaminated with asbestos. In fact, the source from which the vermiculite came was contaminated with asbestos. However, not all vermiculite insulation contains asbestos. Only e vermiculite inspection by a professional can determine if it actually contains asbestos.
Should we be afraid of vermiculite?
- The insulation is never disturbed by renovation work or the installation of ceiling lights;
- The insulation is sealed and cannot leak into the air;
- The insulation is not in direct contact with the living space.
- Insulation is not removed without professional help.
Buy or not a house insulated with vermiculite
Before buying a home, it is therefore recommended to do a vermiculite inspection by a certified home inspector if it is found to be present as an insulation. Laboratory analysis is the only way to verify with certainty the presence of asbestos. It costs between $ 200 and a few thousand, depending on the materials. The inspector should take care to lift the mineral wool in several places. This is because vermiculite may have been present in the past, but only removed in certain places.
Some homeowners will try to reassure buyers by providing inspections for negative vermiculites, that is, they do not contain asbestos. However, it is impossible to ensure the veracity of these tests and your inspector will likely recommend that you perform them again.
If you find vermiculite at home, it is estimated that there is a one in two chance that it is contaminated with asbestos. The only tolerance for the presence of asbestos is 0.1%; when the samples come back positive from the laboratory, they contain 1% and 5% asbestos.
What if you find vermiculite contaminated with asbestos?
One thing is certain, the dangers associated with the presence of asbestos are significant. In fact, having a vermiculite inspection carried out by a qualified and recognized company is the first step to having a clear heart on the condition of your home, or the property you are coveting.