1 - rigid floor with a thickness of B = min. 150 mm
2 - plastic pipe, diameter "D" and wall thickness "t"
3 - insulation made of an acoustic mat made of PE with a thickness of "g"
4 - fire collar mounting - steel expansion anchor bolt M6x60 or M8x80
5 - Piro Collar PC mounted on the underside of the floor
6 - space between the pipe and the wall structure, filled with cement mortar, thickness of         u  = max. 10 mm