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Ubbink OFT/1 Bitumen Flat Roof Vent/Terminal - 166mm

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£74.98 Incl. VAT
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Suitable for a Bitumen roof covering, Ubbink’s OFT/1 flat roof vent/terminal can be used in soil and vent systems, and for natural (passive) or mechanical ventilation installations. The Ubbink OFT/1 range provides a large free vent area whilst have a low Pascal resistance figure.

The Ubbink OFT/1 range is available in five different flange types for different roof coverings, Asphalt, Felt, EPDM, Bitumen and PVC, to allow termination through a flat roof to ducting up to 166mm. The stack cap is fixed mechanically so that it is more secure when installed in extreme weathers, however this can be removed for servicing purposes.

Features & Benefits

  • Suitable for Bitumen roof covering
  • Easy removal for servicing purposes

Product Specifications

Material: Polyethylene/Aluminium/Bitumen

Weight: 2.46kg

Diameter: 166mm

Height Above Roof: 300mm

Flange Diameter: 490mm

Depth Below Roof: 350mm

Free Vent Area: 20000mm2

Pressure/Airflow Resistance: 1.0Pa


Colour Black Diameter 110mm Product Type Air Admitance Valve Fitting Type Push Fit


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Ubbink OFT/1 Bitumen Flat Roof Vent/Terminal - 166mm

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