Framing A Roof Over A 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.

Framing a roof over a deck.

Frame up a box the size of the outer dimensions of your deck using 2 by 4 inch lumber. Most porch roofs use 2x6 or 2x8 rafters that form an upside down v across the ridge beam. Adding any deck covering or enclosure will typically cost between 1 000 10 000. Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof.

Do not attach the post base to only decking. Install post base connectors to attach the support posts to the deck frame. The sleepers aren t fastened in place and the floor floats. The rafters can be attached 16 on center to the ridge beam using rafter ties.

If you have an existing deck it s possible to add a roof to it by installing additional supports. While a typical deck is designed to support 55 pounds per square foot psf a roof requires 80 psf of support. Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water. Adding a roof to an existing deck installing a roof over an existing deck isn t recommended unless your deck was originally designed to support the roof.

It increases the square footage of your home with a three season living room. The best time to build a roof over your deck is during the construction of the deck itself. Tie your existing deck posts into the roof by extending your corner posts with the 4 by 4 lumber. It boosts curb appeal and property value.

How to build a roof over a deck. 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. Check local building code to see if you can attach a patio roof directly to your deck. Make sure the frame has the appropriate blocking to ensure a solid connection.

Building on an existing deck. Adding a covered roof to your deck will typically cost between 3 000 10 000. The cost will vary depending on the professionals hired materials used square footage and weather conditions.