I have a client who wants a deck built approximately 10 off the ground with a roof.
How to support a roof deck.
Designing the deck roof.
Porch decks also require larger footings than deck footings.
If the deck doubles as a porch it needs to be able to support no more than 80 psf.
7 roof felt and shingles.
2 setting your ledger board.
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.
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.
Installing a roof over an existing deck isn t recommended unless your deck was originally designed to support the roof.
Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons.
In some situations you may be able to use the home s structure to support an overhead above a deck.
Adding a roof over an existing deck.
3 building the support beam.
Place pier blocks so that the posts will be against the inside of the support frame.
The cost will vary depending on the professionals hired materials used square footage and weather conditions.
A 1 5 inch thick rim joist cannot support a 3 5 inch thick post above.
5 attach sub fascia.
Blocking must be installed adjacent to the rim joist.
Another great thing about installing a roof over your deck is that you can personalize it to match your style and tastes.
This is where the real planning began as the design of the roof would drastically effect the appearance of the finished deck.
When bolting to the deck s structure be sure to use heavy duty galvanized lag screws that are long enough to penetrate the deck s framing by at least 2 inches.
To safely install a roof deck the roof needs to be able to support about 55 pounds of weight per square foot in general.
Pictures of roofs over decks.
Adding a covered roof to your deck will typically cost between 3 000 10 000.
While a typical deck is designed to support 55 pounds per square foot psf a roof requires 80 psf of support.
4 setting the rafters.
However this calculation can vary depending upon what you plan on.
1 check with your local building department and apply for any permits you will need.
6 decking your roof.
How do you build a roof over a deck.
For deck roof posts dig holes for the roof posts and pour cement to keep them secure.