How to build a roof over a deck.
How to build a back deck roof.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
As a result most decks have inadequate footings to support a new porch roof.
Many porches use 22 diameter corner and intermediate.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
However many decks are right next to the back of your house which raises a few issues.
Joining a home made roof to your existing roof might require a level of expertise that you don t really have.
Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.
Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.
Typical decks are designed to support 55 psf lbs per square foot.
Build the frame of the roof on the ground.
If your deck has a gap between it and your house this might not be a problem as you can simply build a stand alone deck cover.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
Simply put a couple of posts in the corners of the deck farthest from the building with a header between them and add rafters up to the roof of the building or attached to a ledger fastened to the wall of the building.
These are used to attach the support posts to the frame of the.
Take a look at our step by step guide for building a shed roof over your existing deck.
Install post base connectors.