Building Sheet Metal Ducts

The recommended procedure to connect insulated flex duct to a metal collar is as follows.

Building sheet metal ducts.

Galvanized sheet metal ducts from the duct shop s hvac ductwork is manufactured from high quality galvanized steel in 3 foot lengths for easy handling. Sheet metal duct pipe fittings. Royal metal products 8 x 4 x 4 in. The seam on our galvanized sheet metal duct is formed on a snap lock machine which allows ease of assembly on your job site.

The inner liner of insulated plastic flex duct should be sealed where flex ducts are connected to other ducts plenums junction boxes and boots registers. In stock and ready to ship. The longitudinal seams and transverse joints in sheet metal ducts should be sealed. This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390.

To see availability for this product personlog in or get online access. Get free shipping on qualified galvanized steel metal ducts or buy online pick up in store today in the heating venting cooling department. Assemble the metal ducting like a zipper when assembling pipe start at one end and work the seam together like a zipper. Flange insert box with gasket.

Choose from our selection of sheet metal ductwork including standard duct and fittings rectangular duct and fittings and more. Insulation used to externally insulate hvac ducts. The master flow 36 in. Imperial 6 in x 6 in galvanized steel round duct elbow.

Choose from a full line of sheet metal ducts including elbow ducts ductwork tools duct wyes flexibles galvanized ducts and reducer ducts. One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct. 38 to 102mm insulation boards fibrous glass insulation boards are also available for application to the outside of sealed sheet metal ducts housings and plenums. Sheet metal ducts must first be tightly sealed resilient fibrous glass insulation thicknesses from 11 2 to 4 in.

20 in x 25 in x 16 in duct square to round. Design polymerics 64 fl oz gray duct sealant. We also offer a full line of ductwork accessories including duct tape duct sealer sheet metal screws and all the necessary sheet metal tools needed for a professional duct installation. Use your leg a workbench or the ground to support the back side of the pipe.