Extender for roof drains with integrated bitumen sleeve
TOPWET extenders with an integrated sleeve of modified bitumen strip for straight and horizontal roof drains of DN 3“ and 4“, with a sealing ring, without a dome.
| For thermal insulation thickness | ||
|---|---|---|
| TWN H6" BIT | 2" - 9" |
Drawing documentation |
| TWN H12" BIT | 2" - 12" |
Drawing documentation |
