More Picture Of How To Build A Deck With A Roof Over It Best Resolution Image. First you must make sure the roof is strong enough to support 55 lbs per square foot. Start here if you want to build a roof over a patio or deck.
Simply put a couple of posts in the corners of the deck farthest from the building with a header between them and add rafters up to the roof of the building or attached to a ledger fastened to the wall of the building. If you have an existing deck its possible to add a roof to it by installing additional supports. Sep 28 2019 How to build your own deck roof 1 If you like the idea of having the roof above your houses roof you need to make sure the support posts are within 4 feet or so of the original gutter on that side.
Porch decks require 25 additional PSF for roof loads for a total of 80 PSF.
Square the corners using the 3 45 method. 8 Framing in the gable sides. 2 Setting your ledger board. The best time to build a roof over your deck is during the construction of the deck itself.