| 摘要 |
Securing device for forming a cavity wall on the inside of the exterior walls and/or ceilings and roofs, in particular of a building having an installation for heat recovery for a heating system provided with a heat pump, with which device the circulated air stream leaving the evaporator of the heat pump is conducted into the gap of the cavity wall, there being provided profiled rails having two pairs of grooves spaced apart by the desired gap width, with back-to-back opposing grooves for receiving the edges of insulating boards of corresponding width, the possibily lengthened outer legs of which rails serve for fastening to the exterior wall or for fastening the interior lining, in particular of ready-mixed plaster boards or the like, and there being provided air passage openings in the connecting webs between in each case two pairs of grooves.
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