In a renovated 1974 house, the insulation of the attic was made with Knauf blown glass wool and the spots were protected not earthen pots. The thermal result is good. Problem: Blown glass wool could have harmful effects on health. What are they really?
After debates on the possible harmfulness of glass wool, suspected to be carcinogenic in the 1990s, experts dismissed this risk.
In any case, only those who implement this product and are regularly exposed to itcould be the victim of adverse effects, including irritant nature of the fibers of glass wool or rock. The risk is excluded once the isolations have been made.
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