Material
Manufactured from galvanised mild steel to DW144 Ductwork Specification. All joints sealed with mastic sealant.
Notes
We manufacture a full range of interconnecting fittings to suit any combination
If you don’t see the size you are looking for, please contact us and we will do our utmost to accommodate your requirements
Non standard sizes (marked *) are manufactured to order and would be despatched within 3 to 5 days of payment
Our grille boxes are manufactured with flanges as standard and unless otherwise stated at the time of ordering a flanged grille box will be supplied
Grille boxes to suit the neck size of a supply diffuser generally require no flanges