Ideal for use with EPDM roof coverings, Ubbink’s 131mm Flat Roof Vent/Terminal from the OFT/1 range is a versatile solution designed for soil and vent systems, as well as natural (passive) or mechanical ventilation installations. It offers a generous free vent area of 12,000mm... Read More
SUPER rewards Earn points and save £££ on our SUPERSTORES
Find out more
Pay in 3 interest-free payments of £0.00
Learn more
Ideal for use with EPDM roof coverings, Ubbink’s 131mm Flat Roof Vent/Terminal from the OFT/1 range is a versatile solution designed for soil and vent systems, as well as natural (passive) or mechanical ventilation installations. It offers a generous free vent area of 12,000mm² while maintaining a low pressure/airflow resistance figure of 1.1 Pascal, ensuring optimal functionality.
With a diameter of 131mm, this vent features a robust construction of polyethylene, aluminium and EPDM for durability. Weighing 1.53kg, with a flange diameter of 490mm, a depth below the roof of 350mm and a height above the roof of 300mm, it ensures a secure and efficient installation and reliable performance.
The Ubbink OFT/1 range comes in five flange variations tailored to different roof coverings, including asphalt, felt, EPDM, bitumen and PVC, to allow seamless termination through flat roofs and accommodate ducting up to 166mm. The stack cap is ingeniously mechanically fixed, providing enhanced stability during extreme weather conditions. However, for ease of servicing, it can be effortlessly removed.
There are no product downloads to show.
Question:
What product is needed to stick the EPDM gasket to the EDPM on the flat roof
Answer:
To adhere the EPDM gasket of the Ubbink OFT/1 EPDM Flat Roof Vent/Terminal to an EPDM flat roof, you would typically use a special adhesive designed specifically for EPDM roofing materials. This adhesive is not included with the vent/terminal. Please make sure to follow all manufacturer instructions for installation to ensure a secure and waterproof seal. If you need further assistance or you're looking for a specific adhesive, we have a range of roofing adhesives available in our store. You may also want to contact our customer service team for more detailed advice tailored to your specific project.
Question:
Hi, what is the internal dimension of this vent?
Answer:
The internal or spigot diameter of the Ubbink OFT/1 EPDM Flat Roof Vent/Terminal is approximately 125mm. The external or nominal diameter is 131mm. You can find more information about the product on our website at this link: Ubbink OFT/1 EPDM Flat Roof Vent/Terminal - 131mm.
Question:
Is the 131mm diameter the diameter of the lower duct measured externally? I am connecting to a 125mm duct, so hoping it is 125mm internal dimension.
Answer:
Why not just use the 125mm version
Question:
Can this product be used for a extractor fan outlet through a epdm roof.
Answer:
Yes
Products We Recommend
Product Enquiry Form
Sorry
It seems you are running an older version of Internet Explorer. Our site does not support these old browsers as they do not house the technology that allows our site to be safe and secure.
If you wish to access our site please either upgrade your browser or download an alternative.
