Our use of cookies

By visiting this website you allow the use of system cookies that are needed for this website to function properly. With your permission we use analytical cookies to collect information in order to optimise this website. We will not pass any of this information on to third parties. Read more on our policies in our cookie statement.
  • Ventilation

    Ventilation is essential for the health of residents. But the service life of a building can also be considerably shortened if there is insufficient ventilation.

  • Building

    When building a home, there are many aspects that we take into account. Below you will find our building solutions.

Flat Roof Construction Ventilation Void Vent 110

Article number: 143101

Flat Roof Construction Ventilation Void Vent 110

Article number: 143101

The OFT/2 is a 110mm diameter breather vent for built-up felt roofs.

  • To be defined, DO NOT DELETE


Article number143101
GTIN / EAN8713645219363
Price21.42 GBP
Valid from01/01/2021
TypeRoof Terminals


Height330 mm
Height overroof330 mm
Length gross250 mm
Net weight0.94 kg
Width330 mm


Bird protectionno
Diameter110 mm
Flashing diameter330 mm
Flashing height150 mm
Flashing materialAluminium
Walled materialAluminium


UV resistanceyes
Ventilation capacity 9,503 mm2


Roof angle (max.)10
Roof angle (min.)0


Gross weight0.94 kg
Number per packaging1
Packaging / Trade height330 mm
Packaging / Trade length246 mm
Packaging / Trade width330 mm
Packaging of unitBox