Cantilever Roof Overhang Design

Floor cantilever spans shall not exceed the nominal depth of the wood floor joist.

Cantilever roof overhang design.

These are limited to an overhang length of 12 and apply for up to 139 miles per hour ultimate wind speed. A cantilever is a rigid structural element anchored only at one end to a vertical support from which it is protruding. The wind load determined by using the gcp factor from figure 6 11b page 56 overhang is the total load on the overhang including pressure from the upper and lower surfaces ref. For the cantilevered outlooker method connection design loads are published for various wind speeds.

Floor cantilevers constructed in accordance with table r502 3 3 1 shall be permitted where supporting a light frame bearing wall and roof only. This video will. Nov 17 2015 explore kelly tewson s board cantilevered roof on pinterest. I am designing the attachment of cladding on the underside of a roof overhang using asce 7 05 for the wind load determination.

Using a cantilever means you don t need external bracing. This then supports the front edge of the far more extensive second cantilever a post tension castellated beam system that projects 50 feet over a reflecting pool. Floor cantilevers supporting an exterior balcony are permitted to be constructed in accordance with table r502 3 3 2. For wood framed construction comparable details are contained in the american wood council wood frame construction manual.

At the rakes however with a nod to yankee frugality and clean modern lines we kept the roof trim as close to flush as practical while still allowing for a rain screen channel. The first cantilevered element is the solid piece of roof that extends out over a recessed volume along the sidewalk. With that in mind we kept a roof overhang at the eaves as it provides a nice shadow line and protects the second floor windows from a bit of the summer sun.