Ductwork (circular)

All ductwork is manufactured to HVCA DW/144 specification.

As standard, all ductwork is finished hot dipped galvanised to BS:EN10142:1991.

We also manufacture from;

• Mild Steel BS:EN10130:1991
• Stainless Steel BS1449:Part 2304 & 316 Grade
• Pre-coated Steel
• Aluminium BS:EN485, 515, 573 & 755

Please specify the ductwork classification when ordering;

• Low Pressure Class A
• Medium Pressure Class B
• High Pressure Class C

All joints, stiffeners, sealants and fastenings shall comply with the DW144 specification. All patterns are designed using Cad-Cam technology and profiled on a 2 axis flat bed plasma machine.