Bottom or a
compulsory thorough hydro — and thermal insulation. To do this, use both the ferts of the ring and the brickwork. A layer of crushed stone is poured at the bottom or a screed is made.
compulsory thorough hydro — and thermal insulation. To do this, use both the ferts of the ring and the brickwork. A layer of crushed stone is poured at the bottom or a screed is made.
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