In conditions of global climate change, when rains are poured today, and tomorrow cyclones can fall on a Russian plain, a reliable roof above your head is needed. The question arises: how to cover the roof? Manufacturers of roofing materials offer metal tiles, stupin and slate, but this is all aesthetics. And so as not to flow? Here you need Permamin. Permamin, thanks to his environmental friendliness, was almost replaced by only and roofing material.