1 - floor with a minimum thickness of 150 mm
2 - plastic pipe, diameter "D" and pipe wall thickness "t"
3 - mineral wool, density 50 kg / m3, width max. w = 15 mm
4 - fireproof paste Flame Cabel Paste I, min. 5 mm
5 - the space between the mineral wool and the partition structure
filled with cement mortar, max. 17.5 mm