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Ubbink OFT4 Flat Roof Vent Terminal – Uninsulated Twin Wall Ventilation for Flat Roofs

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Manufacturer/Brand: Ubbink

SKU:50185736

Regular price £55.98 GBP
Regular price £89.48 GBP Sale price £55.98 GBP
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The Ubbink OFT 4 Flat Roof Vent Terminal is a uninsulated twin-wall capped vent stack, engineered to provide high-capacity ventilation for flat roofs with an integrated condensation drain system. Designed for versatility, the OFT 4 is compatible with a variety of roof coverings including Asphalt, Built-Up Felt, EPDM and Bitumen felts.

This model features a low-resistance cowl (<1.0 Pascal at 225m³/h), making it ideal for systems where minimal airflow resistance is critical. The stack includes a twin-walled pipe above the roofline for enhanced airflow performance and built-in condensation management.

Key Features:

  • Large Free Vent Area – Enables excellent airflow and ventilation performance.
  • Ultra-Low Pascal Resistance – <1.0Pa at 225m³/h for efficient ventilation.
  • Twin-Wall Pipe with Condensation Drain – Helps prevent moisture build-up within the stack.
  • High-Quality Polypropylene (PP) – Durable and weather-resistant in all UK conditions.
  • No Rain Ingress – Specially designed cowl prevents water entry.
  • Modern, Elegant Finish – Clean design blends discreetly into flat roofing systems.
  • Suitable for New Build or Renovation – A flexible solution for a wide range of projects.

Five flange types are available to suit each material, ensuring a secure and watertight installation every time.

Compatibility & Flange Options:

  • Asphalt
  • Built-Up Felt
  • EPDM
  • Bitumen

Available Diameters: - 10mm & 166mm options.

Note:

* Not recommended for installation in extreme wind zones due to the open-style cowl.

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Additional Information for Ubbink OFT4 Flat Roof Vent Terminal – Uninsulated Twin Wall Ventilation for Flat Roofs

Delivery Information

Delivery & Collection Information

Your Ubbink Roof Tile Vents will be delivered directly to your chosen location via our trusted parcel courier partners. Standard delivery takes 2–5 working days, though this may be longer in remote areas.

We strongly recommend waiting until your full order has arrived before scheduling any work.

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