FOAM ZZ 330

1 - reinforced concrete floor, thickness B = min. 150 mm
2 - quadruple heating pipe, Syncopex CO PN6 / 95 C, CW PN10 / 70C type
  (corrugated pipe made of PE-HD, with a diameter of D ≤ 160 mm and a pipe wall thickness of 0.5 mm),
  with inside max. with four PE-X pipes:
  - with a diameter of D1 ≤ 50 mm and a pipe wall thickness of t = 3.0 mm
  - with a diameter of D1 ≤ 50 mm and a pipe wall thickness of t = 5.0 mm
  - with a diameter of D1 ≤ 32 mm and a pipe wall thickness of t = 2.5 mm
  - with a diameter of D1 ≤ 20 mm and a pipe wall thickness of t = 2.1 mm
3, 4 - two layers of PE insulation, total thickness 32 mm (2 x 16 mm), continuous insulation
5 - the space between the insulation of the inner pipe and the corrugated pipe
6 - PE-HD corrugated pipe, D ≤ 160 mm, with a pipe wall thickness of 0.5 mm
7 - Multitube fireproof tape with 100 mm long and 9.6 thick intumescent material  mm (2 x 4.8 mm), placed inside the floor, at a distance of 15 ± 5 mm,  from
  the underside of the floor
8 - CarboCollar CC fireproof collar, placed at the bottom of the floor
9 - fireproof collar fastening - expansion anchor bolts
  The space between the floor and the pipe, filled with cement mortar, thick. u = max. 25 mm