question about using 4x4 steel tubing to support a roof
Jan 24, 2014 · The span is 23' by 20'. The span of 23' will be broken up with a support in the center. My question is that having 20' 4x4 tube steel with a wall thickness of 3/16" will it be able to support 300-360lbs of this span. My other question is if 2 people were to jump on this say 500lbs would this support the weight. Inclosed is some drawings. roof - How to calculate steel beam and posts size to To recap up to this point, removing the 2 center posts and replace it with a single steel beam spanning the entire distance, you will need to build a 4 post, self standing, cabana type roof. It can be against your house, and the roof can be integrated into your house, but it must be able to stand on its own.
Apr 17, 2015 · Put the two 4x4.s together and drill two 1/2 inch hole,s 8" from the top and bottom and install 1/2 inch threaded rod,s and use correct washer,s install nuts -last use metal mending plate,s with 2" screw,s front and back of post. roof support should Question about using 4X4 steel tubing to support a roof Jan 27, 2011 · 8/17/2021 2:03:53 AM. [ARCHIVED THREAD] - Question about using 4X4 steel tubing to support a roof. ARCHIVED. Posted:1/21/2011 6:02:17 AM EDT. I am building a covered front porch on my house, it will be 32 feet wide and 16 feet deep. I was going to use 6X6 pressure treated posts and burying them in concrete about 2 feet down.