Roof fans
to suit your installation requirements
We are happy to help you!
Accessories for roof fans
experts since 1928
To facilitate the installation of roof fans, HLU offers a wide range of accessories to suit your installation requirements.
Our plastic roof fans are designed for vertical intake and installation outside the building. The fans can also be installed horizontally with the appropriate accessories.
To protect people and the environment, HLU also offers silencer specifically for roof fans.
Our plastic roof fans are designed for vertical intake and installation outside the building. The fans can also be installed horizontally with the appropriate accessories.
To protect people and the environment, HLU also offers silencer specifically for roof fans.


DA1 roof mounting without base
Application
- for installation of roof fans on customer’s own base
Features
- available for all roof fans in the nominal connection diameters 110 to 1000 mm

mounting with base
Application
- for installation of roof fans on flat or inclined roofs
Features
- available for all roof fans in the nominal connection diameters 110 to 1000 mm

Adapter for HF roof fans
Application
- for installation of roof fans on customer’s own base with different flange patterns
- perfect for modernisation work
Features
- for roof fans in the nominal connection diameters 110 to 400 mm

Base extension
Application
- for bridging higher roof structures such as insulation
Features
- for DA2 roof mounting with base

Wall bracket
Application
- for easy wall mounting of roof fans
Features
- for roof fans in the HF D …-15 / 17 D series in the nominal diameters 110 to 315 mm
- optionally for HF D …-16 D series

Mounting plate for wall console
Application
- for easy wall mounting of roof fans
Features
- for roof fans in the HF D …-15 / 17 D series in the nominal diameters 110–315 mm
- optionally for HF D …-16 D series D

Floor mounting feet
Application
- for easy horizontal roof fan mounting
Features
- for roof fans in the HF D …-15 / 17 D series in the nominal diameters 110 to 315 mm
- optionally for HF D …-16 D series

Horizontal mounting
Application
- stiffened version with pipe supports for horizontal roof fan mounting
Features
- for roof fans in the HF D …-15 / 17 D series in the nominal diameters 110 to 315 mm and roof fans in the HF D …-16 D series in the nominal diameters 160 to 400 mm