They will be insulated and foamed.
How to suypport round ducts on roof.
The wire hangers are based on the gripple hang fast system.
3 0 24 1 4 to 36 dia.
Typical round duct hangers.
Foot midcentury modern home with flat roof no basement no attic 8 foot ceilings 7 ft.
Adjustability on width and height can your duct support be modified quickly to reduce labor time.
With ducts in very hot arizona.
The contractor has given me a bid to run them on the roof.
I have gutted the home and rebuilt much of it.
Support systems for ductwork may provide restraint in three directions against displacement and rotation.
This condenser had supplemental securement straps see arrows.
5 0 48 1 4 to 60 dia.
This support can meet nearly all height requirements above the roof surface and is approved for seismic and high wind applications.
For 5 0 sections of rectangular duct maintain a spacing of not more than 10 0.
Our versatile time saving roof supports are cost effective innovative and easy to install with a single standard hand tool.
Trapeze hangers with cradles can be used.
Hi i have a 3900 sq.
Two side by side screws with the proper edge and end distances are.
Double skin insulated round ducting requires engineered hangers.
For round ducts larger than 1 600mm diameter the support system must be engineered for the duct mass.
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.
7 0 72 1 4 to 84 dia.
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.
Some designs featuring rts patented round puc base u s.
Php d duct support the php d duct support leverages a goal post design with a single crossbar below the duct to support all sizes of square or round ducting cable trays and piping.
Not be installed on the roof see figure 5.
Round duct size equipment rail length.
For unbeatable support delivered to your site in less time than the competition choose rooftop support systems.
Consideration must be given with restraining ducts to avoid development of excessive internal duct stresses caused by expansion or contraction due to temperature variations.
Use one hand to keep the two edges close and the other to apply downward pressure.
When assembling pipe start at one end and work the seam together like a zipper.
Based on the shape of the duct and the length of your duct joints you can now start locating the rest of your supports.
Some factors to consider.
For 4 0 sections of rectangular duct maintain a spacing of not more that 8 0.
Up to 12 diameter.
4 0 36 1 4 to 48 dia.
Spacing are you supporting round ducts or rectangular.
Assemble the metal ducting like a zipper.
2 0 12 1 4 to 24 dia.
Hangers for round ducts.
6 0 60 1 4 to 72 dia.
