Certificate of usability:
ETA-16/0268
Benefits:
Flexible size of annular gap 10–50 mm.
Annular gap can be sealed with or without a backfilling of mineral wool.
Zero distance for multilayer pipes in shaft walls.
Plastic pipes classified up to EI 120 U/U (open/open).
Thickness structural element:
Wall ≥ 100 mm
Shaft wall ≥ 40 mm
Floor ≥ 150 mm
Sealing thickness:
Wall ≥ 100 mm
Shaft wall ≥ 40 mm
Floor ≥ 150 mm
Size of annular gap:
wall/floor ≥ 10 – ≤ 25/50 mm
shaft wall ≥ 10 – ≤ 25 mm
Depth of annular gap per side:
wall/floor ≥ 25 mm
shaft wall ≥ 20 mm