How To Suypport Round Ducts On Roof

This condenser had supplemental securement straps see arrows.

How to suypport round ducts on roof.

Hangers for round ducts. Adjustability on width and height can your duct support be modified quickly to reduce labor time. 5 0 48 1 4 to 60 dia. Some factors to consider.

For round ducts larger than 1 600mm diameter the support system must be engineered for the duct mass. Some designs featuring rts patented round puc base u s. The wire hangers are based on the gripple hang fast system. Not be installed on the roof see figure 5.

I have unsightly ducts running across the great room of the house. Use one hand to keep the two edges close and the other to apply downward pressure. Two side by side screws with the proper edge and end distances are. 7 0 72 1 4 to 84 dia.

Up to 12 diameter. When assembling pipe start at one end and work the seam together like a zipper. 2 0 12 1 4 to 24 dia. With ducts in very hot arizona.

They will be insulated and foamed. Our versatile time saving roof supports are cost effective innovative and easy to install with a single standard hand tool. Use your leg a workbench or the ground to support the back side of the pipe. For 4 0 sections of rectangular duct maintain a spacing of not more that 8 0.

I have gutted the home and rebuilt much of it. Round duct size equipment rail length. 6 0 60 1 4 to 72 dia. These are a few of the reasons as to why you should consider an engineered support and why it will give you your best chance at a long and damage free roof.

For 5 0 sections of rectangular duct maintain a spacing of not more than 10 0. 4 0 36 1 4 to 48 dia. Support systems for ductwork may provide restraint in three directions against displacement and rotation. Typical round duct hangers.

Hi i have a 3900 sq. Foot midcentury modern home with flat roof no basement no attic 8 foot ceilings 7 ft. Assemble the metal ducting like a zipper. Double skin insulated round ducting requires engineered hangers.

If ductwork is installed on the roof it is recommended that the gauge of the ducts and their attachment be sufficient to resist the design wind loads. Php d enclosed duct support. This support can meet nearly all height requirements above the roof surface and is approved for seismic and high wind applications. Trapeze hangers with cradles can be used.

3 0 24 1 4 to 36 dia. The contractor has given me a bid to run them on the roof. Consideration must be given with restraining ducts to avoid development of excessive internal duct stresses caused by expansion or contraction due to temperature variations. Based on the shape of the duct and the length of your duct joints you can now start locating the rest of your supports.