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