Time to start a small " long time put off" project. Im building a 21 x 18 carport over our driveway. I figure the angle of the roof should follow the driveway, correct ? Our drive is a slight slope as seen in the pics, figure I'd just anchor bolt all four posts (9') and frame it...yes-no?
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carport roof pitch question
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The more pitch the better to keep from backing up into garage, but I always shoot for a minimum of 1" of drop for every 12" of run on a tin roof if there is room(composition roofs require more). Too flat will always cause problems especially with leaf build up ect. Maybe you could shorten the two front columns just a couple inches since there is a slope to the concrete.
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If you cut 5 degrees off your columns (assuming they are cut square to begin) with a 10" difference in column height, that will give you enough pitch for water run off, etc. It will give you a nice tight fit for for a weld.
Edit: you could probably get away with 8 inches difference on columns with driveway slope.Last edited by CEdwards28; 06-26-2015, 03:06 PM.
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