Roof Sheathing Overhang Gable End

Sketch of a gable end overhang constructed using the ladder detail.

Roof sheathing overhang gable end.

Uplift of roof decking at the overhang. This project is a little ambiguous as far as most. An eave overhang is located on the longer sides of the shed. Rent some scaffolding or get a.

Box beam gable framing new gable overhang is framed in the form of a box beam hanging off of a new layer of roof plywood roof sheathing cantilevered over the top of the 3 layers of rigid insulation. This can be from two causes. Measure from the edge of the plywood outside of the wall over to whatever the overhang will be and square a line up to indicate the end of the truss tail. Roof sheathing shall be continuously fastened to the top of the gable wall with the minimum fastener size and spacing specified in table 1 below.

The roof sheathing extends to the edge of the ov erhang and prov ides most of the support and resistance to uplift for the ov erhang as shown in the figure below. The other common wind related failure at gable ends is uplift of the roof decking at the overhang. Things needed tape measure chalk line circular saw 4 foot by 8 foot sheets of 3 4 inch plywood or osb framing nailer. A rake overhang is created by extending the roof beyond the gables of your shed.

These solutions are limited to the maximum overhang length listed in table 1 and to gable ends with roof sheathing continuously supported by and attached to the gable wall framing. You may want one or the other or both. This will be most. An eave is created by extending the slope of your roof beyond the walls of your shed.

A rake is an overhang located on the gable end of your roof. Purchase enough drip edge flashing to cover the overhang. You can measure the overhang s edge if you d like but it. Look up your local building codes to see if you need a work permit.

If the gable end overhang uses the ladder detail method of construction and the length of the overhang is greater than 8 inches to 12 inches you may be able to strengthen the connection of the overhang by installing from the attic inch diameter lag screws that are long enough to go through the gable truss or rafter through the wall sheathing and 1 1 2 inches into the inside framing member of the ladder framing. The exposed edges of the 3 layers of rigid insulation are no longer exposed. Add the thickness of the true fascia 15 16 in in this case. At the right of the roof along the gable end we see more drip edge being used to flash the roof gable end fascia trim and roof edge.

Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof. Gable end overhangs constructed using the ladder detail.