Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber.
How to frame a deck roof.
2 fix these support posts to your decks original support frame bolts work well.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
Install post base connectors.
Place pier blocks so that the posts will be against the inside of the support frame.
If the posts supporting the roofs are placed directly on the deck structure below there are a few considerations to make.
First you must make sure the roof is strong enough to support 55 lbs per square foot.
If you like the idea of having the roof above your house s roof you need to make sure the support posts are within 4 feet or so of the original gutter on that side.
Building a deck over a flat roof is very similar to building a deck over a concrete patio.
They are merely placed on top of another structure.
The posts should stack directly above a support post below and not within the span of a beam.
Then run joists connecting the front of your roof with the rear every two feet along the length of your roof.
These are used to attach the support posts to the frame of the deck.
These decks are often referred to as floating as they are not secured in place as a stand alone structure.