Our ductwork products range from standard stock duct to custom duct and fittings fabricated to your specifications.
IF YOU CAN DRAW IT, WE CAN BUILD IT.
We specialize in fabricating ductwork for residential and commercial contractors. We are also a fully stocked distributor of HVAC supplies.
A heating contractor's most profitable time is spent in sales, service and installation.We have more than 100 years of combined experience, and delivery services are available. Let Hennemuth Metal Fabricators take care of all your ductwork needs.
Rectangular Duct
We use Slip and drive as well as four-bolt rectangular duct connectors, Pittsburgh Duct and Snap Lock Duct.
60" wide Duct
59" Slip and Drive
56" TDF
60" Ductmate Flange
Square Duct Hanger
Broadway Elbow 90º
Broadway Elbow 45º
Shortway Elbow 90º
Shortway Elbow 45º
General Return Air Boot
Designed to Fit
General Air Cleaners
Return Air Boot
with Filter Rack
Filters
Reducer
16" Length Drive / Drive
Starting Collar
6" Long Flange / Drive
End Cap
Spiral Duct
Comes in 10' standard lengths and custom lengths up to 20'. Fittings are gasketed up to 20" and flange connections 22" - 30". Flange can be ordered for smaller sizes if requested.
Spiral Pipe
Spiral Pipe Paint Grip
90º Elbow
Stamped and Gored
45º Elbow
Stamped and Gored
Reducers
Spiral Tee
End Caps
Spiral Damper Sleeve
Spiral Bell Mouth
Spiral Saddle Taps
Couplers
Up to 20"
Flange & Over ring
Gripple
Curved Spiral Diffusers
Spiral Diffusers
Custom Duct
Can't find the size or shape you need?
We'll custom fabricate ductwork to your exact specifications. We can also work with you to design ductwork runs, manufacture custom pieces or suggest alternatives to save you time and money on your next job.
Options include internal lining of ductwork with 1/2" or 1" insulation and external wrapping of ductwork, Slip and Drive, four-bolt rectangular duct connectors, Pittsburgh Duct or Snap Lock Duct.
Elbow Plenum
Tee Plenum
Rise / Drop
Offset
Broadway Elbow
Shortway Elbow
Tee
Reducer / Increaser
Filter Boot
Air Cleaner Boot
25' Insulated Flex
R-6 and R-8 Metalized Jacket
4" x 25' Insulated Flex
R-4.2
5' Sleeves
R-8 Metalized Jacket
25' Uninsulated Flex
3" - 16"
AMF Insulated Flex (Acoustical)
7' and 25' lengths
AMBlue Insulated Flex (Antimicrobial)
25' lengths
High Pressure Insulated Flex
25' lengths
Aluminum Flex
25' Lengths
Flex Duct Ties
36", 48" and 60"
Flex Duct Cutter
Tensioning Tool
We have the equipment and knowledge to help finish most ductwork projects! Our wide selection of ductwork fittings and connectors give you the parts needed to finish jobs.