FIELD: construction.
SUBSTANCE: invention relates to construction, in particular to sealant of waterproofing layer of roof for through passage through structure of roof, and can be used for sealing outputs of antennas, chimneys, fan control racks, and so forth. Seal for passage of engineering communications in the roof includes a cuff and a flange connected to the cuff. Flange is multi-layered and includes the following layers: film from thermoplastic polymer material, aluminium foil, waterproofing layer, reinforcing layer, waterproofing adhesive layer, anti-adhesion layer.
EFFECT: technical result consists in improvement of reliability of waterproofing.
4 cl, 1 dwg
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