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What is perlite?

What is perlite?

Question:

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Answer: perlite is a natural insulator.

Perlite, or also called vermiculite, is a natural and ecological insulator, produced by the expansion of fragments of volcanic rocks heated to more than 1000 degrees. This very high heat treatment thus evaporates the water and swells the rock particles which will store air. In rigid or loose panels, perlite is used for insulation of attics and roofs. This material is inert, rot-proof, non-flammable, resistant to insects and above all natural, therefore completely harmless to humans. Perlite is one of the only natural insulators which retains all its characteristics over time and whose effectiveness is sustainable. You too, send us your brico question