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1. Local Codes: The standard maximum for rooftop pipe supports is 10 feet on a commercial building, however, this could change based on your local building code. Always refer to the code and never assume it has “enough” support.
2. Pipe Type: What kind of pipe are you supporting? What are the contents of the pipe? Will the pipe shake, expand, and contract? These questions will help choose the proper support. Consider a rubber roller mounted on a support for a pipe that expands and contracts.
3. Seasonal Weather: Some areas get heavy snowfall adding extra weight to the rooftop for portions of the year. This weight will need to be worked into the calculations.
4. Type of Roof: Assessing what the roof type is will be crucial. If you have a roof that gets soft in the heat, then you will want to make sure your calculations take this into consideration this so you are not putting too much weight on one point causing denting, sinking, and ultimately damage. Another topic to consider is a slip sheet below the product. Check our blog on slip sheets HERE or see our CGW product page.
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5. Contents: If the pipe is carrying a hazardous material that can cause increased damage, you will want to err on the side of caution and space your supports closer together to prevent any possible break or leak.
PRO TIP: You may want to consider a roller series if your pipe will expand and contract. See below links for a few of our Roller Series.
CR Series
CREW Series
6. Pipe Temperature: Hot pipes need more support as they can deflect (sag) when they rise in temperature. If your supports are too far apart, you risk deflection when the pipe gets hot.
As always, start by referring to your local building codes and consider these 6 criteria when you are calculating spacing.
For more China Custom Pipe Supportsinformation, please contact us. We will provide professional answers.