Shed roofs project as a single plane roof pitched away from the house.
How to build a roof extension over a deck.
Some shed roofs are designed to be nearly flat.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
How to build a shed roof over a deck.
When you start building your roof over the deck try and get some material that compliments the decking.
Either way a roof extension is a great way to cover a deck but often it s darker than a pergola awning or pavilion because there are usually 2 solid walls and sometimes 3.
The roof extension is usually the case where the second floor extends over the deck area.
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.
As beautiful as they are functional the modern deck roofs are an extension of and not a deterrent from the luxurious deck experience you deserve.
Have no fear though.
Always try to match the house roof pitch angle and overhang for your shed roof.
That said it s not always the case.
The deck roof of today isn t the drab concoction so many of us remember.
Treat it with the same products to give it a similar finish.
You might want to use the same wood or something else.
Typical decks are designed to support 55 psf lbs per square foot.
Start here if you re building a roof over a patio or deck.
Flat roofs are more susceptible to leaking than pitched roofs.
Some people also like the feel of having a higher deck roof so this could be an option you might want to look at.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.