Framing Overhang For Roof
Sheathing should be a minimum of 19 32 inch thick.
Framing overhang for roof. Floor cantilevers constructed in accordance with table r502 3 3 1 shall be permitted where supporting a light frame bearing wall and roof only. A rake on the gable end of the roof can be created with the construction of additional roof framing. Floor cantilever spans shall not exceed the nominal depth of the wood floor joist. 8d ring shank nails should be used instead.
If narrow overhangs are all you need say 8 in. You need to measure the area where you will be adding the overhang and buy to fit your specific project. Never attach roof sheathing with staples. I ve used this method when i ve had trouble slipping in the rafter extensions with this method the rafter tails.
Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof. The typical thickness range for sheathing is 3 8 to 3 4 inch. Over hangs are recommended to not exceed three feet out.
For slanted roof sheds overhangs add character and facilitate proper drainage. Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit. Eaves form the overhang to distribute water clear of the walls. Or less you might try a technique that bob syvanen wrote about in dummy rafter tails way back in 1985.
This video will. Floor cantilevers supporting an exterior balcony are permitted to be constructed in accordance with table r502 3 3 2. Due to the steeper angle of gable roof the maximum width of the eaves is narrower than other shed styles. An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building.
The last pieces to go in were nailing blocks above the ledger for the back of the return and at the bottom edge of the soffit for attaching the rake 20. The other common wind related failure at gable ends is uplift of the roof decking at the overhang. If you are unsure of how to measure for your overhang framing ask for help at your local hardware store. They also help to frame windows on upper stories.
Again have the helper hold the rafter extension in place and gauge the distance of the overhang while you hold the extension against the rafter and the roof sheathing and nail it to the existing rafter with a framing nailer. This can be from two causes.