Rectangular Roof Cowl Ductwork
Weatherproof roof termination cowl for rectangular duct. UK-made to DW144, made to order. Instant online price, no account needed.
A roof cowl is a weatherproof termination that lets a rectangular duct discharge or draw air through a roof while keeping rain, snow and debris out. The angled hood and mesh protect the system where it meets the outside.
- Category
- Rectangular Ductwork
- Standard
- DW144 compliant
- Made in
- UK (Knebworth, Hertfordshire)
- Lead time
- Made to order, fast dispatch
Common uses
- Weatherproof roof discharge for extract systems
- Fresh-air intake through a roof
- Terminating a riser above roof level
Sizing & specification
Specify the duct width and height. Bird mesh and a base upstand can be added to suit the roof detail.
Use the online configurator to enter your dimensions and receive an instant price. No account required. Add to quote and submit directly to us.
For bespoke orders or to discuss a project, contact us or call 07710 984 957.
Rectangular Roof Cowl — frequently asked questions
Does the cowl keep rain out?
Yes — the hooded design and mesh stop rain and birds while allowing free airflow.
Related rectangular ductwork
- Rectangular Mesh Bird Beak — Angled mesh bird-guard termination for rectangular duct
- Rectangular Straight Length — Galvanised rectangular duct for straight runs — made to any size, e.g. 400x200 duct
- Rectangular End Cap — Blanking plate to close off a rectangular duct end