
Roof ventilation
Felt Weir FW1
The Corovent Felt Weir features ridges which guide any condensation or rainwater away from the opening in the felt when fitting any roof vents. It helps to ensure that no moistu…
View productRoof ventilation / Range information
An extensive range of high quality ventilation accessories for easier and quicker installation of Corovent Roof Ventilation products.
Explore the range

Roof ventilation
The Corovent Felt Weir features ridges which guide any condensation or rainwater away from the opening in the felt when fitting any roof vents. It helps to ensure that no moistu…
View product
Roof ventilation
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 compress…
View product
Roof ventilation
The Corovent coated Flexitube connects Cowl Vents, Roofline Vents and Ridgeline Vent pipe terminals to 110mm diameter soil or extractor pipes. The Corovent Flexitube comes suppl…
View product
Roof ventilation
The Corovent CAO1 Pipe Adaptor provides a 110mm diameter outlet as standard which can be cut down to provide a 125mm diameter section if needed.
View product
Roof ventilation
The Corovent 110mm Pipe Adaptor can be simply site fitted to the RV8K roofline plain tile roof vents thus forming the RP8K terminal for soil or extractor pipes. The adaptor offe…
View product
Roof ventilation
The Corovent Vent Terminal is for 600x300mm slates including soil pipe adaptor and flexitube.
View product
Roof ventilation
The Corovent narrow extension sleeve is suitable for short ridge roof vents less than 400mm.
View product
Roof ventilation
The Corovent wide extension sleeve is suitable for all standard ridge roof vents.
View productSupporting resources
PDF · discovered on the published product page. File version and current applicability require confirmation.
Product & project support
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) ↗