FIELD: construction.
SUBSTANCE: mounting accessory comprises a receiving device, which is formed and made as capable of positioning with the help of a retention device in a hole made by a crown drill or in a similar groove in a floor slab so that the bottom drain is mounted with retention in the receiving device. The receiving device is formed to close a groove in case of fire by means of a swelling material. The receiving device includes a circular cast body from ceramic material, which by its inner circuit is adapted to the outer circuit of the bottom drain subject to reception.
EFFECT: improved mounting accessory of a bottom drain for achievement of improved fire protection with reduced costs for manufacturing and installation.
9 cl, 4 dwg
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