Always try to match the house roof pitch angle and overhang for your shed roof.
Lean to roof over deck.
Flat roofs are more susceptible to leaking than pitched roofs.
Frame up a box the size of the outer dimensions of your deck using 2.
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For a plank like visual appearance from the underside and for the top layer i used 3 8 construction grade cdx plywood.
Measure the size of the beam that you are going to use.
You have to make.
You can either remove the eave or just keep it.
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When you start building your roof over the deck try and get some material that compliments the decking.
If you are tying the roof directly to a house.
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Next place the supporting posts into the notches.
How to build a roof over a deck step 1.
Lean roof over two toned clubhouse deck modern 17.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
You might want to use the same wood or something else.
Shed roofs project as a single plane roof pitched away from the house.
Using lag bolts and a screwdriver fasten the base of the posts to the ground.
Build the frame of the roof on the ground.
Measure the sightline clearance height from the roof to the house not the other way around.
Lift the box.
Treat it with the same products to give it a similar finish.
Build porch roof build porch roof 19.
Cut out a notch on the top of your posts as shown in the image above.
Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
For the bottom layer of roof decking i chose 5 8 thick t1 11 4 o c.
This is where the supporting post will rest.
How to build a shed roof over a deck.
Some shed roofs are designed to be nearly flat.
To prevent the roofing nails from showing through the underside of the decking i used two layers of 4 x 8 plywood when decking the roof.