A free standing roof can be built over a deck paved patio or concrete pad.
Roof on a deck built on deck bloks.
Porch decks require 25 additional psf for roof loads for a total of 80 psf.
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.
Here are the details in case you d like to build your own building a deck with a roof version.
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.
Joining a home made roof to your existing roof might require a level of expertise that you don t really have.
Several commercial waterproof deck systems are available to create a dry space under a deck but rune stactic of adding a roof to a deck seems to be just as effective.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Because they are not recessed in the ground deck blocks keep your wood off the ground and prevent the problems that occur from columns standing in water for long periods.
And it s inexpensive and easy to build using materials found at any home center.
However many decks are right next to the back of your house which raises a few issues.
Lay out the concrete pier blocks into six columns and three rows.
A free standing roof needs to have posts sunk into the ground.
For corners deck blocks are built to accommodate 90 degree angles.