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Putting a roof on part of a deck.
A free standing roof can be built over a deck paved patio or concrete pad.
If the posts supporting the roofs are placed directly on the deck structure below there are a few considerations to make.
The posts should stack directly above a support post below and not within the span of a beam.
Lift the box.
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Using lag bolts and a screwdriver fasten the base of the posts to the ground.
So that a new structure can be installed over appropriate spots to transfer the load of the deck into the buildings load bearing frame.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
How to build a roof over a deck step 1.
If you simply add a roof to a deck not designed to support one without the right retrofitting you will be putting your family members and guests at risk.
It s super tough and flexible.
If this roof has a lot of traffic on it or is subject to mechanical damage an epdm roof will be a nightmare.
Another good option is corrugated polyvinyl material.
You have to do it thoroughly so that the rafters sit flush on it.
You might want to stick with wood like the rest of your deck but some people find that makes the roof too dark and enclosed.
To install a deck over a roof the roofing in certain areas should be removed.
Frame up a box the size of the outer dimensions of your deck using 2.
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.
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But if you have a normal roof and can control traffic on it epdm is very cost effective there is another material tpo that is an ethylene propylene rubber membrane similar in application to epdm but white in color.
Picking the material for your roof is another important step.
Then subsequently the roof will then need be reinstalled and waterproofe.
You have to make sure that they sit plumb.
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Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber.
Be sure that the deck floor frame is at least as thick as the entire cross section of the post above and below.