Im looking to support my aluminum awning that spans 16'10". It has 4 vertical supports. I would like to eliminate the two center supports. At best it must support the weight of 2 ft of snow. What size square tubing should i purchase qlong with what size vertical supports should i purchase for the ends

  • You want a beam 17 foot long to support an unknown square footage of snow 2 feet deep? I am not an engineer but i would GUESS you will need a VERY LARGE I BEAM. You need an engineer. If you add more info to your question you may get some educated advise to give you an idea of what to expect BUT you will still need to have it approved by a structural engineer. – Alaska Man Nov 25 '20 at 18:39

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