Trending Of How To Put A Roof Over An Existing Deck New Update 2021. A few clicks and you have your answer. Porch decks require 25 additional PSF for roof loads for a total of 80 PSF.
Whenever I install decking over a roof I make sure the framing is structurally sound and properly pitched to drain water. A few clicks and you have your answer. Strips of 4-in-wide EPDM provide a layer of protection between the sleepers and the roof.
Be sure that the deck floor frame is at least as thick as the entire cross-section of the post above and below.
Make sure the frame has the appropriate blocking to ensure a solid connection. The best time to build a roof over your deck is during the construction of the deck itself. Typical decks are designed to support 55 PSF lbs per square foot. Roof over existing deck are notoriously difficult to quote correctly.