Deck Roof Framing
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Most porch roofs use 2x6 or 2x8 rafters that form an upside down v across the ridge beam.
Deck roof framing. If the roof is attached to the deck it needs to be able to support the weight. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. Designing the deck roof this is where the real planning began as the design of the roof would drastically effect the appearance of the finished deck. Hardware and tools are included for assembly.
If the deck doubles as a porch it needs to be able to support no more than 80 psf. The process of framing a deck includes creating connections between joists beams and support posts in order to build a code compliant deck structure. Build the frame of the roof on the ground. Covered decks can be made with either stand alone roofs or when the deck is adjacent to a building with a roof connected to the building.
This in depth section will teach diy builders to frame a deck from installing a ledger board and frost footings to framing the perimeter of the deck. You will need to attach the porch rafters to the house roof rafters and replace the roofing and flashing. The frame is metal and the sunshade is moveable. If you are tying the shed roof into an existing roof on the house you will need to remove the shingles and sheathing to expose the roof framing.
Porch decks also require larger footings than deck footings. When bolting to the deck s structure be sure to use heavy duty galvanized lag screws that are long enough to penetrate the deck s framing by at least 2 inches. While a typical deck is designed to support 55 pounds per square foot psf a roof requires 80 psf of support. As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.
Extremely happy with this purchase. This pergola offers a metal slanted roof to provide coverage from the hot sun on your deck porch or patio. If your project had a rafter length of 8 or less a safe and strong method is to use 2x8 framed 16 on center. In some situations you may be able to use the home s structure to support an overhead above a deck.
Then run joists connecting the front of your roof with the rear every two feet along the length of your roof. We put it together in an hour really easy. The rafters can be attached 16 on center to the ridge beam using rafter ties.