Rectangular Loose Mez Frame Ductwork
Loose mezzanine flange frame for jointing rectangular duct. UK-made to DW144, made to order. Instant online price, no account needed.
A loose Mez frame is a mezzanine flange that slides onto a duct end rather than being welded on, giving an adjustable bolted joint between rectangular duct sections. It is the flexible alternative to a fixed flange during installation.
- Category
- Rectangular Ductwork
- Standard
- DW144 compliant
- Made in
- UK (Knebworth, Hertfordshire)
- Lead time
- Made to order, fast dispatch
Common uses
- Bolted joints between rectangular duct sections
- Adjustable connections where fit-up needs fine-tuning
- Connecting duct to plant flanges on site
Sizing & specification
Available in 20mm and 30mm profiles to match your duct size and pressure class.
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 Loose Mez Frame — frequently asked questions
Fixed or loose flange — which do I need?
A loose Mez frame slides on for adjustment on site; a fixed flange is welded for a permanent, faster joint.
Related rectangular ductwork
- Rectangular Straight Length — Galvanised rectangular duct for straight runs — made to any size, e.g. 400x200 duct
- Rectangular Cravat — Sleeve / collar that wraps and seals a rectangular duct joint
- Rectangular End Cap — Blanking plate to close off a rectangular duct end