How To Build A Roof Over An Existing Deck

Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.

How to build a roof over an existing deck.

Typical decks are designed to support 55 psf lbs per square foot. The best time to build a roof over your deck is during the construction of the deck itself. Make the front of the roof the height of the house roof you are presumably tying into with the rear sloping at a rate of six inches over two feet. Post base connectors.

Start here if you re building a roof over a patio or deck. Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch. Our experts can take care of all this and more. This article discusses strategies for building over an existing slab patio or over a deck and offers links to articles about the specific tasks such as pouring the footings raising posts and so forth.

Discuss the following issues with your professional handyman during the deck roof design process. Porch decks require 25 additional psf for roof loads for a total of 80 psf. If you have an existing deck it s possible to add a roof to it by installing additional supports. However many decks are right next to the back of your house which raises a few issues.

The first thing you ve got to think about is how the deck roof is going to sit alongside your existing home. If you are tying the shed roof into an existing roof on the house you will need to remove the shingles and sheathing to expose the roof framing. Install post base connectors to attach the support posts to the deck frame. Roof and wind loads created by adding a roof.