FOAM ZZ 330

1 - flexible or rigid wall with a thickness of B = min. 125 mm
2 - metal or plastic pipe, diameter "D" and pipe wall thickness "t";
   the space between the pipe insulation  and the wall structure u = max. 15 mm
3 - continuous insulation made of flexible elastomeric foam (FEF), thickness  "G", 
     density nominal 45 ÷ 70 kg / m3 and fire reaction class BL- s2, d0 according to EN
     13501-1
4 - CarboCollar CC fireproof collar on the outside of the wall, mounted on
     both  sides of the wall
5 - fixing the fire-resistant collar - expansion anchor bolts M6x60 or  M8x80