TOPWET
Vertical roof drain with PVC collar — TW SAN 75 PVC
Vertical outlet with the PVC membrane sleeve already bonded on and a protective leaf basket fitted.
Details
TOPWET
Roof ventilation chimney with PVC collar — TWO 75 PVC
Ventilates the build-up and drains the vapour that gets into it, with the collar already bonded and a rain cap on top.
Insulation that gets damp stays damp unless the build-up can breathe. The ventilation chimney gives trapped vapour a route out, with a rain cap keeping the weather from taking the same route in.
Height 300 mm as standard, made to order up to 500 mm. White as standard; black to order.
Specification
- Nominal diameter
- DN 75
- Collar
- Integrated PVC-based membrane sleeve
- Standard height
- 300 mm
- Custom height
- Up to 500 mm
- Colour
- White standard, black to order
- Supplied with
- Rain cap
Typical applications
- Ventilating flat roof build-ups
- Over-roofing an existing wet deck
- Vapour pressure relief
Need this priced against a drawing?
Send the detail or the specification clause. We quote the exact article, quantity and lead time — and flag it if something else in the range fits the build-up better.
Also in flat roof drainage
TOPWET
Vertical roof drain with PVC collar — TW SAN 110 PVC
The DN 110 outlet, for larger catchment areas and higher rainfall intensities.
Details
TOPWET
Round overflow spout with PVC collar — TWC 75 PVC
Through-parapet spout with a bonded PVC sleeve and protective grille — the roof's pressure relief.
Details