Perforated protective dome
Perforated protective dome TOPWET for roofs with gravel or other load-increasing strata. The dome can be extended with the drainage ring TW ODK always by 1 1/3". The thick-walled polyamide PA6 UV Stabil design.
A universal dome for roof drains 3", 4", terrace drains 3", 4", extenders, for drains and retrofit drains.
| Height above insulation level | ||
|---|---|---|
| TWOK H1,3" | 1 1/2" |
Drawing documentation |
| TWOK H2,6" | 2 2/3" | — |
| TWOK H3,9" | 4" |
Drawing documentation |
| TWOK H5,2" | 5 1/3" |
Drawing documentation |
| TWOK H6,5" | 6 2/3" |
Drawing documentation |
| TWOK H7,9" | 8" |
Drawing documentation |
