Take a look at our step by step guide for building a shed roof over your existing deck.
Extending deck posts for roof.
These are used to attach the support posts to the frame of the deck.
One of our readers rune eriksen sent us photos of his design for a home built deck drainage system and we were impressed enough to check it out.
Building on an existing deck.
Maybe you forgot to measure twice and cut once.
Install post base connectors.
The footings for porch decks must be larger than deck footings.
Or you re down to the last post and it s not tall enough.
Your deck space isn t limited by the current height of the posts.
I also plan on sleeving those 4x4 s with a composite sleeve for the full length from the 4x4.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
How to make a deck post taller.
His low cost easy to build system catches the water that drips through the deck boards and redirects it to the outside of the deck.
As a result most decks have inadequate footings to support a new porch roof.
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Whether you need to add a privacy barrier to the deck or want to add decorative detail you can achieve this by making the posts taller.
Where local building codes allow this practice you can bolt a patio overhead s posts directly to existing deck beams joists or other heavy structural members.
Or you can lag screw through post bases and decking into the top of a deck joist or beam.
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.
Many porches use 22 diameter corner and intermediate.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
Typical decks are designed to support 55 psf lbs per square foot.
You can extend the length of the deck posts for added privacy or added decorative impact.