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Skiingman, using 14 gauge steel for compressed air would be a complete safty disaster. not only is it not thick enough its only seam welded and would NEVER have the strength to hold 50 psi let alone 150-175 like most comercial grade compressors build these days. although i did ask for...

thanks guys. as for insulation, i will be adding 1x4s horizontally down the inside and outside every 24'' oc starting and the concrete up the the roof to attach the sheating and drywall to that way im not screwing to the tubing. thatll give me room for 3 1/2'' thick insul. as for corrosion...

First question, are you a competant welder? Ive been welding for a long time and seen people that do not know what their doing try this. eiter not enough experience or using insuffenciant materials or tools. i.e. a 110v welder for 1/4" and thicker material. more often than not a camper frame...

Also on a side note, ive built many storage buildings this same way out of the 2"round and even made my own trusses out of the tubing. nothing over 12 ft though. im not a structural engineer so thats why im not taking on the task of 20ft trusses. Jake

I live in east central Nebraska. Yes the town i live in we have certain codes we must meet and yes there is inspections. Im going to meet with the building inspector next week and thats why im asking these questions now. i know from being in the steel industry for a very long time that the...

Hi i am currently designing a 20'x20' garage and im wondering about building the main outside walls out of 2" round 14 ga tubing. (14 ga is .078 wall (2MM) thick. i have over a 1000' of this tubing and want to use it up. I am a welder by profession for 13 years and hold 29 certifications...