Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Roof over existing deck.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
Place pier blocks so that the posts will be against the inside of the support frame.
Summer may be over but it s the perfect time to start building a roof over your deck for next year s sunny season.
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.
How to build your own deck roof 1 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.
Building over an existing slab building on an existing deck start here if you want to build a roof over a patio or deck.
Typical decks are designed to support 55 psf lbs per square foot.
While a typical deck is designed to support 55 pounds per square foot psf a roof requires 80 psf of support.
Without proper planning adding a roof to an existing deck can create an unsafe situation.
Designed for the modern outdoor space this metal pergola adds shade over an existing deck or patio.
A regular deck can support a certain amount of weight per square foot but a deck roof adds a lot of weight and requires support.
It s free standing and offers a little more than 96 square feet of shade coverage.
Roof and wind loads created by adding a roof.
So how do you go about it.
Building a shed roof over a deck.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Adding a roof to an existing deck installing a roof over an existing deck isn t recommended unless your deck was originally designed to support the roof.
It comes with a canopy that can be retracted.
Install post base connectors to attach the support posts to the deck frame.
Check with local codes to make sure this type of metal deck roof is allowed where you live.
If you re looking to enjoy the great outdoors right from your backyard while still getting some relief from the sun or rain a roof over your deck or patio is the perfect solution.
Post base connectors.