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.
How to make roof for pre existing deck.
Our experts can take care of all this and more.
Take a look at our step by step guide for building a shed roof over your existing deck.
These are used to attach the support posts to the frame of the deck.
3 when you have your.
Build the frame of the roof on the ground.
2 fix these support posts to your decks original support frame bolts work well.
For a solid connection you ll have to.
Your support posts won t need to be.
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.
Plan to space the 2x4 purlins parallel to the house and 3 ft.
The best time to build a roof over your deck is during the construction of the deck itself.
Hand framing a porch roof involves first setting the ridge beam and the side walls to the proper height that the roof will hang from.
Install post base connectors.
The rafters can be attached 16 on center to the ridge beam using rafter ties.
We will walk you through the entire process from siting the patio roof to raising posts attaching beams and installing the roof.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
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If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3.
Building on an existing deck.
How to build a roof over a deck step 1.
To provide drainage the panels should slope toward the outside edge of the deck about 1 4 in.
Lift the box.
Most porch roofs use 2x6 or 2x8 rafters that form an upside down v across the ridge beam.
Start here if you want to build a roof over a patio or deck.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.