Roof Deck Framing Details

Where the roofing membrane meets the house run it 10 to 12 inches up the wall under the sheathing wrap.

Roof deck framing details.

Deck flooring construction for rooftop decks. Our new smooth series cellular deck offers a blemish free beam to pan rivet. 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. Download free high quality cad drawings blocks and details of roof and deck insulation organized by masterformat.

The first approach to achieving a strong durable struc ture involving economical use of materials is to follow a basic modular plan for layout and attachment of framing members. Nl3 corner framing detail nl4 slammer stud detail nl5 window opening framing detail nl6 door opening framing detail nl7 non load bearing opening nl8 non load bearing wall parallel to joist roofs rafters joists. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge. At outside edges leave a 3 to 6 inch flap depending on the edge treatment.

Position the square at the end of the rafter board with the tongue on your left and facing away from you. Support posts should be spaced less than 8 apart and be located on top of properly sized frost footings. Terminations and flashings for rooftop decks. First you must make sure the roof is strong enough to support 55 lbs per square foot.

These decks are often referred to as floating as they are not secured in place as a stand alone structure. Add the length of the overhang beyond this mark and. To create a smooth surface and to protect the bottom of the rubber roofing from any fasteners or rough edges on the plywood i installed 1 2 in. Details for conventional wood frame construction.

The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will drain and not pond the finished walking surface of the roof deck surface should be below the level of the interior floor by at least 1 1 2. Building a deck over a flat roof is very similar to building a deck over a concrete patio. A large metal drip edge usually caps the roof along the fascia boards. They are merely placed on top of another structure.

Cdx plywood glued and screwed to the framing. Rafters should be attached to the header beam using hurricane ties. Such methods use a 4 foot design module which governs a 16 inch spacing of joists studs rafters. Fiber roof underlayment as a final substrate.

The roof sheathing is 3 4 in.