There is already quite a large assortment of rubber insulating membranes on our market, as well as modern waterproofing preparations, it enables the construction of flat roofs with a gravel pressure layer. These roofs, known as gravel or inverted roofs, are characterized by good thermal insulation, because even a thick layer of mineral wool can be placed under the waterproofing, and above all, high durability and durability. It is the result of this, that the gravel layer perfectly protects the waterproofing.
