Roof Rafter To Wall Connection Detail
Roof rafter at exterior wall detail.
Roof rafter to wall connection detail. Nl8 non load bearing wall parallel to joist roofs rafters joists. As with rafter style roofs toenailing is one of the most common ways of attaching a truss style roof to a wall plate. That is a lot of nails more than irc requires. Dwg pdf right click to save these files roof rafter at ridge beam detail.
Rafter to ridge beam connection framing contractor talk. Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections. In a sloped roof common rafters run from the peak of the roof down to the top of the exterior walls of the building. This is a detail of a roof rafter to an exterior wall connection.
The connection from the rafters to the collar tie is very large. Hand driven and pneumatic fasteners were included in the test program. Collar ties rafter ties tension beams structural ridge beams. Toenail a truss into the top of the wall plate by nailing through the sides of the bottom chord at a 30 degree angle.
Rafters act more like the top chord of a roof truss than as a roof joist. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. 10d 4 d c. Ceiling joist and rafter framing details home owners.
Has a thrust force of about 720 per rafter. The ridge board is non load bearing and merely provides the point of connection for the opposing rafters and is only a nominal 1 thick. Dwg pdf right click to save these files roof eave and soffit detail. This is a detail of a roof rafter to ridge beam interface.
At the peak the rafters are nailed to a ridge board and at. This is a. Individual connections and connections within full scale roof systems were tested to quantify potential system effects. Some of these can support the roof and prevent ridge sagging and wall spreading.
For example a 24 wide roof with a 6 height using 2x8 16 o c. If you have ever sat down and down the statics for a true rafter roof you ll see that the thrust forces are very large. Blocking plywood angle 61 x6 x 5 16.