Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
Putting roof over two story deck.
Then run joists connecting the front of your roof with the rear every two feet along the length of your roof.
You have to make.
We show you how two different roofs are constructed so you will know what is involved.
The most common type of deck roof the gable roof forms a triangular shape projects along a ridge down the center of the deck and overhangs the enclosed space.
A two foot over hang here to cover the two feet of deck cantilever solves having to transfer the roof load at this point or at the end of the truss.
Building a porch roof or screened in porch roof over an existing deck or patio can be fairly straight forward or very complex depending on the type of roof you choose.
Build the frame of the roof on the ground.
You can either remove the eave or just keep it.
Using lag bolts and a screwdriver fasten the base of the posts to the ground.
Most porch roofs are typically shed roofs or variations of hip roofs.
Measure the sightline clearance height from the roof to the house not the other way around.
Building on an existing deck.
Typical decks are designed to support 55 psf lbs per square foot.
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.
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.
Your truss manufacture is capable of determining this spec and by all means should.
Confused about framing a second story deck with a roof the upper post is simply toenail screwed to the rim decking and blocking.
A free standing roof needs to have posts sunk into the ground.
Measure the size of the beam that you are going to use.
Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
This means your pitch here is crucial.
Check local building code to see if you can attach a patio roof directly to your deck.
Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.
No worries though as always careful planning will prevent problems.
A free standing roof can be built over a deck paved patio or concrete pad.
With the weight of the roof assembly you really wouldn t need a heckuva lot more than a couple of finish nails to keep it from walking but i load it up so there are no uplift concerns.