7 Best Of How To Build A Roof Deck New Update 2021. Rooftop decks are possibly the most punishing area to build a deck. Aug 28 2020 Building on an Existing Deck.
Choosing the right decking to survive - and thrive - in this environment is an important decision. The footings for porch decks must be larger than deck footings. First you must make sure the roof is strong enough to support 55 lbs per square foot.
Take a look at our step-by-step guide for building a shed roof over your existing deck.
These are used to attach the support posts to the frame of the deck. 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. Square the corners using the 3 45 method. 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.