Standard Products

Rectangular Sheet Metal Duct

Variation: SW & DW
Gauges: 26 – ¼” mild steel
26 – 1/8” stainless steel
Material: Galvanized, Galvanneal, Black Iron, specialty coated
Sizes: Approx. 5 ft. joints (size differs based on roll forming capabilities)
Connections: TDC, Slip & Drive, Ductmate frame, Buttweld (12 X 12 or smaller requires S & D)
Seams: Longitudinal weld, Pittsburgh

Rectangular HVAC Accessories

– Dampers (blade and opposed blade w/ hardware)
– Saddle Taps
– Bird Screens
– Turning Vanes
– Elbows
– Fittings
– Hanger system w/ connecting hardware
                                                    Rectangular Order Form

Spiral and Round Sheet Metal Duct

Variation: SW & DW
Gauges: 26 – 18 mild steel
26 – 22 stainless steel
Material: Galvanized, Galvanneal, Aluminum, Stainless Steel, specialty coated
Diameter: 3” – 64”
Connections: Slip Fit, Gasketed, Flange
Seams: Longitudinal weld

Spiral/Round Accessories

– Dampers (blade and opposed blade w/ hardware)
– Register taps
– Bell-mouths
– HETOs (High-Efficiency Take-Offs)
– Elbows
– Hanger system w/ connecting hardware

Weatherguard® Duct Systems

Exterior: Weatherized 3M™ VentureClad™ exterior jacketing
Outer Wall: DW spiral w/ 2” insulation (13.2 R-Value)
Inner Wall: Agion® Anti-microbial
Connection: Barrel Clamp
Support System: MIRO® Industries non-penetrating or minimally penetrating rooftop supports
Protection: 10-year warranty