The rafters can be attached 16 on center to the ridge beam using rafter ties.
How to put a roof on a exsting porch.
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.
You have to do it thoroughly so that the rafters sit flush on it.
Choose a roof pitch 3 12 and roof structure 2x6 this places the new roof on top of the existing roof.
Install the fascia board on this frame and nail it accurately.
Under deck roof the family handyman image result for adding a roof to an existing deck backyard design of a roof addition over an existing concrete patio in adding a roof over an existing deck should you how to build a roof over my existing deck costs designs how to add a roof an existing deck mycoffeepot org.
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8 inches in this case.
To convert the deck to a porch i need to load the roof onto the deck s cantilever code problem.
Together the beams will make a frame.
A regular deck can support a certain amount of weight per square foot but a deck roof adds a lot of weight and requires support.
Calculate the sightline clearance height about 6 feet 2 inches in this case.
2x8 joists 16 oc dbl 2x10 rear beam.
Check local building code to see if you can attach a patio roof directly to your deck.
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Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
Building on an existing deck.
Hand framing a porch roof involves first setting the ridge beam and the side walls to the proper height that the roof will hang from.
Use plywood to insulate your porch roof.
Determine the beam size.
In most cases larger footings and sometimes more footings are required for a roofed deck.
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Existing deck is 24 w x 10 deep ledgered to house rear beam is 8 back so there s a 24 cantilever.
Work from the view back not from the house out.
After that to make it flush with the roof of the existing house cut the two outer rafters.
Attach the horizontal beam by using a nail gun.
Put it between fascia board and roofing material and fix with nails.
Without proper planning adding a roof to an existing deck can create an unsafe situation.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Most porch roofs use 2x6 or 2x8 rafters that form an upside down v across the ridge beam.