Rooftop Heating Unit/Duct

Larger imageRooftop Heating Unit or Duct with Metal Straps

Source: Noson, Perbix, SSD

Purpose

To secure unit or duct to roof.

Recommendation

Install metal straps; brace unit supports

Supplies Required

  • Metal straps (18 gage x 2")
  • Sheet metal screws—No. 10 x 3/4"
  • Angle—1-1/2" x 1-1/2" x 1/4"


Installation

To attach metal straps to the unit or duct, follow these steps:

  1. Wrap metal straps around heating/duct unit at each support location.
  2. Attach metal strap to existing supports of the unit with screws.

To brace the unit or duct to the roof and strengthen the existing supporting, follow this step:

  • Weld or screw top and bottom of the angles to the existing supports.
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