Deck Roof Framing

If the roof is attached to the deck it needs to be able to support the weight.

Deck roof framing.

This pergola offers a metal slanted roof to provide coverage from the hot sun on your deck porch or patio. 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. Hardware and tools are included for assembly. Then run joists connecting the front of your roof with the rear every two feet along the length of your roof.

Porch decks also require larger footings than deck footings. Build the frame of the roof on the ground. 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. The process of framing a deck includes creating connections between joists beams and support posts in order to build a code compliant deck structure.

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. Extremely happy with this purchase. Decks typically are designed to support 55 pounds per square feet or psf of weight. The rafters can be attached 16 on center to the ridge beam using rafter ties.

Most porch roofs use 2x6 or 2x8 rafters that form an upside down v across the ridge beam. If the deck doubles as a porch it needs to be able to support no more than 80 psf. In some situations you may be able to use the home s structure to support an overhead above a deck. 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.

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. Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. 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.

While a typical deck is designed to support 55 pounds per square foot psf a roof requires 80 psf of support. You will need to attach the porch rafters to the house roof rafters and replace the roofing and flashing. 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.