Bitumen materials, mastic

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Frill floors should be installed in these carved openings on concrete. Each log of the ceiling should have waterproofing at the place of contact of the beam to concrete. For waterproofing logs, you can use bitumen materials, mastic or flexible bitumen sheets. After the floor is installed, the next formwork row is installed, which is installed by the overlap. If reinforced concrete slabs are used as an overlap, then the last row of non -shaped formwork must be strengthened with additional reinforcement, which will increase the strength of the upper row of concrete to install heavy concrete floor slabs.