TOPWET extenders with an integrated custom made sleeve (PVC, EPDM, VAP, STE – suitable for screed waterproofing) for straight and horizontal roof drains of DN 3“ and 4“, with a sealing ring, without a dome.
For thermal insulation thickness | ||
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TWN H6" ___ | 2" - 9" |
Drawing documentation |
TWN H12" ___ | 2" - 12" |
Drawing documentation |