1 - reinforced concrete floor with o thickness B = min. 150 mm
2 - plastic pipe, diameter "D" and thickness pipe wall "t"
3 - plastic pipe bend 87.5 °, diameter D1 and wall thickness t1
4 - Piro Multitube PM tape [h x s] mm, placed inside the floor, at a distance of 15 ± 5 mm        from the underside of the floor
5 - cable tie or adhesive tape
6 - the space between the floor and the penetration seal, filled with mortar cement,       
     approx. 25 mm