Forgive me if this has been covered before but I thought I was pretty thorough in my research and have not come across any practical data on this.
3/4 EMT conduit is inexpensive and easy to source. It cost slightly more than 1/2 inch and significantly less than 1 inch, and any big box hardware store has it.
The only cons I see to it are it’s galvanized so welding can be an issue. But aside from that it’s cheap and light weight.
I have found people building roof racks, green houses, bikes and many other things with it but every discussion about it inevitable ends with “its great stuff but I don’t trust it use real metal stock”.
Has any one used it for framing a shell? I can not find any good info or data on this. Specifically the strength characteristics of 3/4 EMT in a structural application.
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