![](/media/akeneo_connector/reference_entities/records/F/i/Fixfast_Farbo_Outlets_Mar_24_49df.jpg)
Estimated lead times
1 Day
![125mm FarBo® DuoDrain PF - felt flange main product photo](https://www.fixfast.com/media/catalog/product/cache/3cf72d4c7a492e0403a39e264af2d130/F/O/FO-DUO-PF-125-SBS_1.jpg)
![](/media/akeneo_connector/reference_entities/records/F/i/Fixfast_Farbo_Outlets_Mar_24_49df.jpg)
Estimated lead times
1 Day
The DuoDrain is a specialist rainwater outlet that can provide a seal both at the VCL and rooftop level. The 'PF' (plain flange) version features a metal flange at VCL level with a variety of membranes at rooftop level. Please see the SBS version if you are using a bitumen VCL.
Features
- Two part outlet, one to seal at VCL level, and the second which fits into the first once the rooftop membrane has been installed
- Factory-bondedmembrane at rooftop level for quick and easy installation
- Suitable for use in both new build and refurbishment applications
- Both spigots manufactured from durable corrosion resistant stainless steel
The DuoDrain is a specialist rainwater outlet that can provide a seal both at the VCL and rooftop level. The 'PF' (plain flange) version features a metal flange at VCL level with a variety of membranes at rooftop level. Please see the SBS version if you are using a bitumen VCL.
Features
- Two part outlet, one to seal at VCL level, and the second which fits into the first once the rooftop membrane has been installed
- Factory-bondedmembrane at rooftop level for quick and easy installation
- Suitable for use in both new build and refurbishment applications
- Both spigots manufactured from durable corrosion resistant stainless steel
Client Technical Services
Fixfast's technical team provides a range of calculations and technical services to contractors and architects looking to purchase or specify our products. You can find out more about these services here, or register a request below.
Flow rate calculations for our FarBo roof drainage systems, in accordance with the UK design standard BS EN 12056:3-200.