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
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Find out moreIdeal 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.
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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
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