How To Support A Roof Deck
Porch decks also require larger footings than deck footings.
How to support a roof deck. 4 setting the rafters. While a typical deck is designed to support 55 pounds per square foot psf a roof requires 80 psf of support. Adding a covered roof to your deck will typically cost between 3 000 10 000. Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons.
To avoid any modifications to the existing deck below or to facilitate future replacement of the deck below the roof the roof can also be designed independently from the deck. A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above. 7 roof felt and shingles. 2 setting your ledger board.
20 6x6 pt posts would be long enough to use as both deck support and roof support but the expense isn t justified because all that is needed to support the roof would be 4x4s. In some situations you may be able to use the home s structure to support an overhead above a deck. I have a client who wants a deck built approximately 10 off the ground with a roof. How do you build a roof over a deck.
2 fix these support posts to your decks original support frame bolts work well. If you like the idea of having the roof above your house s roof you need to make sure the support posts are within 4 feet or so of the original gutter on that side. However this calculation can vary depending upon what you plan on. Place pier blocks so that the posts will be against the inside of the support frame.
Adding a roof over an existing deck. For deck roof posts dig holes for the roof posts and pour cement to keep them secure. Covered decks can be made with either stand alone roofs or when the deck is adjacent to a building with a roof connected to the building. 5 attach sub fascia.
If the deck doubles as a porch it needs to be able to support no more than 80 psf. Pictures of roofs over decks. Another great thing about installing a roof over your deck is that you can personalize it to match your style and tastes. To safely install a roof deck the roof needs to be able to support about 55 pounds of weight per square foot in general.
This is where the real planning began as the design of the roof would drastically effect the appearance of the finished deck. 1 check with your local building department and apply for any permits you will need. 6 decking your roof. Designing the deck roof.
Installing a roof over an existing deck isn t recommended unless your deck was originally designed to support the roof. Blocking must be installed adjacent to the rim joist.