If local codes allow setting the overhead directly on an existing slab but the concrete is not thick enough to support the overhead s weight you will have to pour new footings around the slab s perimeter or break out sections and pour deeper footings.
Installing a roof over an existing deck.
The best time to build a roof over your deck is during the construction of the deck itself.
Install post base connectors to attach the support posts to the deck frame.
Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Roof over deck cost.
We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
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.
Building on an existing deck.
After that to make it flush with the roof of the existing house cut the two outer rafters.
A metal deck roof will add shade and make your deck or patio space more comfortable during the hot summer months.
Attach the horizontal beam by using a nail gun.
Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof.
These roofs are usually easy to install over a deck or patio just make sure you re not breaking any local building codes.
In this scenario it might be a good idea to hire a professional to get the job done for you.
One alternative option that you can do yourself is to have a slightly higher roof on your deck so that it s above your main roof slightly and overhangs.
Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Our experts can take care of all this and more.
It will probably only be a couple of days work and might not cost as much as you think.
If you have an existing deck it s possible to add a roof to it by installing additional supports.
A free standing roof can be built over a deck paved patio or concrete pad.
The sleepers aren t fastened in place and the floor floats.
Do not attach the post base to only decking.
Building a shed roof over a deck.
A properly installed layover roof can look and function as well.
Joining a home made roof to your existing roof might require a level of expertise that you don t really have.
You have to do it thoroughly so that the rafters sit flush on it.
If it is next to a house or structure it should be secured to the siding or roof of that structure as well to keep it stable through high winds and lashing rains.