Start here if you re building a roof over a patio or deck.
How to build a gable roof over a deck.
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.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Follow these steps to build one of these functional roofs yourself.
Shed roofs project as a single plane roof pitched away from the house.
Knowing how to build a gable roof over a deck will not only save you money it will also enhance the beauty of your home.
Typical decks are designed to support 55 psf lbs per square foot.
Always try to match the house roof pitch angle and overhang for your shed roof.
Building a gable roof over your existing deck will make it more comfortable providing shade and shelter from the rain.
The gable design of the roof will also allow for excellent rain and snow runoff in wet climates.
The most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space.
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Make your deck a luxurious living space protected from the weather.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
How to build a shed roof over a deck.
If you are tying the roof directly to a house.
Some shed roofs are designed to be nearly flat.
This significantly sloped deck roof allows for proper drainage of rain and snow as opposed to a flat roof.