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Ubbink OFT-4 Twin Wall Flat Roof Vent Terminal - 131mm - EPDM

Product Code:
Manufacturer Code:
Estimated Delivery:
up to 4 working days
Compatible Roof Material(s):
Pipe Diameter:

Our price today, excluding delivery and VAT is

£49.14 inc. VAT £40.95

Product Description

The OFT terminal range is suitable for use with soil & vent systems and for both mechanical and natural (passive) ventilation installations.


  • Has a special, low air-resistance cowl
  • Large free vent area/low Pa resistance
  • Pipework above the roofline is twin walled and incorporates an integral condensation drain
  • Allows termination through a flat roof void to ducting up to 160mm, when used with reducers


Suitable for flat roofs;

  • Asphalt
  • 3 layer felt
  • Most single ply
  • EPDM
  • Bitumen
  • PVC

Product Specification

Brand Ubbink
Colour Black
Compatible Roof Material(s) EPDM
Depth Below Roof 350mm
Flange Diameter 490mm
Free Airflow 12,000mm²/m (pressure airflow resistance is <1.0 Pascal at 225m³/h)
Height Above Roof 400mm
Material Polyethylene, aluminium and EPDM
Pipe Diameter 131mm
Product Type Terminals

Delivery, Cancellation & Returns

For our delivery, cancellation and returns policy.

Delivery charges are included in the final shopping basket total and will depend on the basket's contents. Additional shipping charges may apply to orders from the Scottish Highlands and UK islands.

These extras delivery charges are based on certain costs from the manufacturer, distributor or our own couriers. Not all products will be applicable.

If additional shipping fees apply, a member of our team will contact you before processing your order to let you know.

We will do our very best to make sure your delivery arrives by the date required, however manufacturer availability and delivery schedules cannot always guarantee this.

Should your estimated delivery date differ from that displayed on our website, one of our team will inform you by email or telephone

If we cannot make a delivery due to access not being possible, we reserve the right to make a failed delivery charge.