CT1C Flexi Tube Data Sheet (PDF, opens a new tab)
PDF · discovered on the published product page. File version and current applicability require confirmation.
Roof ventilation / Product information
A highly durable flexible tubing that connects pipe terminals to 110mm diameter soil or extractor pipes. It is pressure tested in accordance with BS5250 and is supplied compressed and netted with fixing clips.

Published product information
High quality
Strong & durable
Pressure tested
Supplied suppressed and netted
Cowl vent installation
Full installation details are available on request from the Technical Department.
Supporting resources
PDF · discovered on the published product page. File version and current applicability require confirmation.
Linked in the published catalogue
Range & components
Corovent Roofline vents are made to blend in discreetly with existing roof tiles. They incorporate a factory fitted round felt sleeve which penetrates the felt, so no extra slee…
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Corovent Cowl vents offer unobtrusive low or high level ventilation in tile roofs. The Cowl vent can blend almost invisibly to any roof: new build or conservation, because of Ar…
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Corovent Ridgeline Vents are designed to replace a normal ridge tile suiting most concrete and clay ridges. Their unique design allows them to be fitted without cutting any exis…
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Eaves ventilation is a simple and effective way of providing the necessary air movement within a cold roof. It is most effective when used in conjunction with high level roof ve…
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The rafter tray maintains a clear air space of either 10 or 25mm from the eaves to the roof void, by creating a barrier for the roofspace insulation.
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Ariel provide a range of soffit vents designed for use with a traditional fascia and soffit board. Available in black, brown or white, soffit vents can be used with any roof pitch.
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An extensive range of high quality ventilation accessories for easier and quicker installation of Corovent Roof Ventilation products.
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Keep this product context with your enquiry and let Ariel confirm the next step.
Content imported from Ariel’s published product information, captured 27 October 2026. Final technical/content approval is pending; current stock, delivery and warranty assurances are not asserted. Source reference (opens a new tab) ↗