External drain from a flat roof through the parapet funnel

The parapet of the funnel is mounted on the flat roofs of bituminous materials with drainage through the parapets and balconies.

How to make sound insulation of the car

One of the most popular and affordable materials for soundproofing car is a foamed rubber.

How to install point pitched aerator

Installing aerators on soft roof in the required amount in relation to its area, You will provide a dry insulation and other materials.