Colt Cowls Colt Top Flex Anti Downdraught Cowl 5" - 125mm

The main benefit is preventing downdraught (wind blowing smoke back down the chimney) and stopping rain from entering the flue, all without needing to remove the existing chimney pot.

Typically, no special tools are required. The included strap fixing kits are designed for straightforward manual tightening.

Yes, this cowl is designed to connect directly to chimney liners and chimney pots, including standard brick ones, using the provided strap fixings.

The cowl is manufactured entirely from high-quality stainless steel for durability and weather resistance.

You should measure the diameter of your flexible flue liner or the inner diameter of your chimney pot. This cowl is designed for a 125mm (5-inch) diameter fitting.

This cowl is generally suitable for most solid fuel applications where downdraught and rain ingress are issues. Always consult your chimney sweep or a qualified installer if you have specific system requirements.

It's recommended to inspect the cowl at least annually, or more frequently if you live in a particularly exposed or harsh environment, to ensure it remains secure and free of debris.

Verify the cowl is securely fastened and correctly sized. Ensure no other obstructions exist within the flue system. Check for external factors like unusually strong prevailing winds or surrounding structures.

Re-tighten the strap fixing kits, ensuring they are snug against the flue liner and/or chimney pot. If straps appear damaged, consider replacement.

Check that the cowl is seated correctly and that the straps are providing a watertight seal where possible. Ensure the flue liner itself is in good condition.

Ensure the straps are fed through the correct channels and that the tensioning mechanism is working properly. Consult the product manual if available.