Roof cowls for ventilation

The roof caps from Smitsair Luchttechniek are suitable as rainproof covering of roof openings for natural and mechanical ventilation for buildings. The roof caps are available in various versions.

Every RAL colour is available due to our own coating department. The SmitAir roof caps are a suitable solution for both flat and sloping roofs.

Information regarding dilution factor (NEN1087) between different roof caps read article: dilution factor

Versatile roof hoods

Smitsair offers a wide range of roof hoods for a variety of ventilation needs. Whether it is recessed roof hoods for pitched roofs or standard roof hoods, our products provide efficient air supply and exhaust while protecting against rain and other weather conditions.

Recessed roof hoods for pitched roofs

For situations where roof aesthetics are important, our recessed roof hoods such as the DK-2VP and BV-70VP offer a discreet solution. These roof hoods are suitable for roof pitches from 15° to 89° and can be supplied in various sizes.

Flat roofs roof cowls

Our DK-2 and DK-3, are designed for a wide range of applications. They offer excellent protection against weather elements and can be used for both supply and exhaust air. Combined with a roof curb, our standard roof hoods are excellent for use on flat roofs.

Combined roof cowls

Our DK-2/3 canopy is designed to handle combined airflows. This hood is suitable for horizontal intake and vertical discharge of air.

Deflector cap

The SK-1 deflector hood is used for vertical air intake or discharge where rainwater is collected and discharged to a discharge pipe at the side of the hood. In this way, the underlying indoor air conditioning system remains dry and operational.

Tailor-made solutions

All of Smitsair’s roof hoods are available in different sizes and designs, the hoods put together according to the requirements of your project. With additional options such as silencers, drip traps and powder coatings in various colours, we offer complete and tailor-made ventilation solutions for any type of building.

Roof cowls applications

Benefits of SmitsAir roof cowls

  • Suitable for both air intake and air exhaust.
  • Any desired dimensions possible from a minimum of 400 x 400 mm.
  • Finishing in a standard RAL colour of your choice (metallic and mother-of-pearl possible at an additional cost).
  • Also for sloping roofs.
  • Suitable for tiled, slate and bitumen roofs.