Search the Site

Product Sections

New Products

Nylon Wall Plugs 8mm - Box of 100

150 dia Plastic Supply/Exhaust Valves

2mm Wire Rope 150m Reel

Wires with Carabina 2mm x 2m - Pack of 10

Shield Anchors M8

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

Please note that we are very busy in our manufacturing dept. Lead times for products made to order are in the region of 15 working days. Off the shelf products are unaffected.

Please note we are currently unable to dispatch to Northern Ireland due to high carriage costs.Please note that we no longer accept Paypal payments.

Loose Doby Frames 20mm

Ventilation Ducting | Rectangular Ductwork | Loose Doby Frames | Loose Doby Frames 20mm

Loose ductwork frames made to size for on-site fitting. Frame and corner pieces are Doby Verrolec 20mm, J2 rating.

Use the drop down menu below to select Dim A as depicted in the drawing to the right. Dim B can be selected on the following page.

Note that the selected sizes refer to the duct size that the frame is made to fit - not the overall size (overall size of the frame will be selected size + 40mm).

Dim A