Roof Duct Support Spacing

Pipe size and weight.

Roof duct support spacing.

Based on the shape of the duct and the length of your duct joints you can now start locating the rest of your supports. For 5 0 sections of rectangular duct maintain a spacing of not more than 10 0. For high density polyethylene hdpe the spacing would vary from 7 ft for 4 pipe with sdr diameter over thickness of 11 0 to 16 ft for 24 pipe. Php duct supports are designed and engineered to adhere to your unique specifications and solve every rooftop issue you have.

The honest answer is. 1 ft foot 0 3048 m 12 in. The 8 ds is a frame constructed of strut and miro s patented bases to support single or multiple tiers of duct pipe cable trays and more. Duct rests on a 1 5 8 x 1 5 8 length of channel strut which is adjustable up and down using the channel nuts in the corner brackets.

Let s dig a little deeper and look at some of the factors that are important to pipe support spacing. Consideration must be given with restraining ducts to avoid development of excessive internal duct stresses caused by expansion or contraction due to temperature variations. While the standard maximum spacing for roof pipe supports is 10 feet your community may require more supports and tighter spacing. For 4 0 sections of rectangular duct maintain a spacing of not more that 8 0.

Start by checking your local codes. Schedule a roof evaluation. For fiber reinforced plastic pipe frp support spacing in liquid service would vary from around 11 ft for 2 pipe to 22 ft for 8 pipe.