Supports & Hangers · Install guide

Square Duct Hanger Supports

Strap, rod, strut, rooftop, riser, isolated, seismic, cable, and fitting-specific support methods.

25 exact job conditionsChoose the one that matches the field condition.
Square Duct SupportsStrap hanger

Install hanger strap around square duct

Square Duct Installation · Small rectangular branch

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Square Duct SupportsSingle strap cradle

Support bottom of rectangular duct

Square Duct Installation · Light branch

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Square Duct SupportsDouble-rod trapeze

Install rod-and-strut trapeze

Square Duct Installation · Standard square duct

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Square Duct SupportsWide trapeze

Support wide duct

Square Duct Installation · Wide rectangular main

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Square Duct SupportsAngle iron trapeze

Install angle support

Square Duct Installation · Heavy square duct

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Square Duct SupportsUnistrut rack

Build shared support rack

Square Duct Installation · Multiple duct runs

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Square Duct SupportsWall bracket

Install cantilever bracket

Square Duct Installation · Duct along wall

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Square Duct SupportsRoof stand

Support rooftop duct

Square Duct Installation · Exterior square duct

Open installation →
Square Duct SupportsRiser angle

Support at floor

Square Duct Installation · Vertical rectangular riser

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Square Duct SupportsSpring hanger

Install isolated duct support

Square Duct Installation · Near fan/AHU

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Square Duct SupportsVibration-isolated trapeze

Support duct on isolators

Square Duct Installation · Mechanical room duct

Open installation →
Square Duct SupportsSeismic braced trapeze

Brace square duct support

Square Duct Installation · Seismic zone

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Square Duct SupportsCable hanger

Install approved cable trapeze

Square Duct Installation · Light rectangular branch

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Square Duct SupportsBeam clamp support

Hang duct from beam

Square Duct Installation · Steel structure

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Square Duct SupportsConcrete anchor support

Hang square duct

Square Duct Installation · Concrete deck

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Square Duct SupportsMetal deck attachment

Support light duct

Square Duct Installation · Metal roof/floor deck

Open installation →
Square Duct SupportsJoist clamp support

Hang duct below joists

Square Duct Installation · Bar joist

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Square Duct SupportsInsulation shield

Support without crushing insulation

Square Duct Installation · Externally insulated duct

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Square Duct SupportsHold-down restraint

Restrain uplift/slide

Square Duct Installation · Rooftop/exposed duct

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Square Duct SupportsSliding support

Allow thermal movement

Square Duct Installation · Long exterior run

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Square Duct SupportsSupport at elbow

Independently support rectangular elbow

Square Duct Installation · Heavy fitting

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Square Duct SupportsSupport at transition

Support fitting body

Square Duct Installation · Large transition

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Square Duct SupportsSupport at damper

Support ducts independently

Square Duct Installation · Fire/smoke/control damper

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Square Duct SupportsSupport at AHU connection

Keep duct weight off unit

Square Duct Installation · Equipment duct

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Square Duct SupportsHanger correction

Relevel and add support

Square Duct Installation · Sagging rectangular duct

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