1 - rigid floor with a thickness of B = min. 150 mm
2 - plastic pipe, diameter "D" and wall thickness "t"
3 - CarboCollar CC fireproof collar, mounted at the bottom of the floor
4 - fixing the fireproof collar - expansion anchor bolts M6x60 or M8x80
5 - the space between the pipe and the wall structure, filled with mortar cement,
with a thickness of u = max. 10 mm