Girdered Roof Deck

These patio covers tend to look like an extension of the home s main structure.

Girdered roof deck.

The deck roof of today isn t the drab concoction so many of us remember. Total height of low level ground level deck. Cantilevered beams are stronger than flush style beams because they rely on the strength properties of the wood rather than the individual mechanical and fastener connections. Recommended beam joist spans for deck framing.

As beautiful as they are functional the modern deck roofs are an extension of and not a deterrent from the luxurious deck. Attach the horizontal beam by using a nail gun. The roofing material is more traditional such as shingles. Apr 28 20 11 17 am.

If the deck doubles as a porch it needs to be able to support no more than 80 psf. Typical decks are designed to support 55 psf lbs per square foot. Decks typically are designed to support 55 pounds per square feet or psf of weight. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

If the roof is attached to the deck it needs to be able to support the weight. You have to do it thoroughly so that the rafters sit flush on it. Porch decks require 25 additional psf for roof loads for a total of 80 psf. A timber framed patio roof is perfect for your rustic or country home.

I am building a 10 x12 deck not attached to a ledger board. These traditionally styled roofs are made of wood and feature large supportive beams. Where local building codes allow this practice you can bolt a patio overhead s posts directly to existing deck beams joists or other heavy structural members. The bigger you make your deck the more you ask of the framing timbers that hold up the deck s structure and the joists and beams that support the.

Porch decks also require larger footings than deck footings. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. Or you can lag screw through post bases and decking into the top of a deck joist or beam. A girder cantilevered or drop beam is a structural member positioned below the joists to support the weight of the frame.

Have no fear though. My plan was to pour concrete footings then run doubled up 2x8 beams setting on the footings. Height of deck against door threshold. Building on an existing deck.

Sep 04 19 11 12 am. As a result most decks have inadequate footings to support a new porch roof. Many porches use 22 diameter corner and intermediate. Make a cutting on one of the sides of the horizontal roof beam on an angle.