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Ubbink OFT-5 Insulated Flat Roof Vent Terminal for Bitumen - 125mm

SKU: 147235

£96.17 Incl. VAT
£80.14 Ex. VAT

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Estimated Delivery: 3-5 working days. Please note, if you live in Scotland, we will need to quote you for delivery costs. Please contact us if this is the case.


The Ubbink OFT-5 Insulated Flat Roof Vents are designed for optimal ventilation in soil and vent systems, suitable for both mechanical and natural (passive) ventilation installations. These vents feature a higher insulation value above the roof space, significantly reducing the risk of condensation and ensuring efficient air flow.

With a large free vent area and low Pascal resistance, the OFT-5 range is fully insulated to the cowl, providing excellent thermal performance. The two-piece stack with an aluminium flange ensures durability and ease of installation, making these vents a reliable choice for maintaining effective flat roof ventilation.

Why Choose the Ubbink OFT-5 Insulated Flat Roof Vent Terminal for Bitumen - 125mm?

  • Insulated flat roof vent terminal
  • Compatible with bitumen roofing materials
  • Large free vent area
  • Low Pa resistance
  • Strong & durable
  • Easy to install

Product Specifications:

Diameter: 125mm

Height Above Roof: 380mm

Flange Diameter: 490mm

Depth Below Roof: 608mm

Free Vent Area: 11,300mm²

Pa Resistance: 5.3

Please note: This unit is provided as a 166mm diameter stack with a reducer to bring size down to 125mm

Deliveries are made on the basis the customer can accept the goods, or willingness to off load the goods, or having means of mechanical offload, this also applies to heavier items such as pallets etc. All deliveries are made ‘kerbside’ and often it can be at the discretion of the driver. A large majority of deliveries would be made on a large rigid tail-lift vehicle and off loaded via a pallet truck and only on to flat surfaces such as tarmac, concrete and pavers. If you do have restricted access, please contact us prior to placing your order. We will always try to accommodate your needs. If a delivery fails due to access, we reserve the right to make a re-delivery charge. All delivery charges are calculated when checking out. The delivery charges included are for the Mainland UK only and do not apply to the Scottish Highlands, or Isles off the Mainland. Additional charges may apply for deliveries that aren’t classed within the Mainland (this is classed by ourselves, suppliers and couriers) Please contact us on 01752 466151 or Due to the nature of our business model, this can mean your order will be sent via multiple deliveries. Whilst we will make every effort to deliver your goods within the stated/requested time frame, we cannot guarantee availability from the manufacturer or the manufacturer's delivery schedules, so we would recommend the end user not to start/schedule any work until the goods arrive. Due to logistics of various couriers and suppliers we are unable to give times of deliveries. However, please call or email us on the day of the delivery and we will try to get an approximate time. Deliveries can take place from as earlier as 07:30 right up to 18:00 depending on the courier/haulier and taking into account local traffic etc.
You have 14 days from receiving your item(s) to return them should you wish to do so. Please contact us should you wish to arrange a refund/return. Any product marked cut to size, bespoke or made to order are non returnable and excluded from our refund policy.

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