Gable Roof Overhang Framing Details

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Gable roof overhang framing details.

The other common wind related failure at gable ends is uplift of the roof decking at the overhang. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof. Drive 8d nails every 6 in.

After the end points of the plates are located the length is found using a base 1 triangle for a 6 in 12 pitch where the hypotenuse is 1 118 times the length of the base. Nail 2 boards onto your walls as top plates. The cleanest look for a gable end with a closed eave is to angle the soffit therefore eliminating the need to resolve the eave at the gable end. 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.

That rafter outside forms the overhang for the barge boards to fix to and so the soffit boards and ventilation are continuous all the way around the structure. They also help to frame windows on upper stories. Complete the soffit and overhang details according to the plan figure a. Adding an overhang to the gable ends of your shed is a similar process to framing out a new one.

Gable end details for closed eaves. You ll need to build gable ladders also called soffit ladders. This configuration gives the look of an open eave but it has the same benefits ease of maintenance and energy performance as a closed eave. The diagonal plates are 3 1 2 inches down from the tops of the rafters to support 2x4 lookouts for framing the rake.

Gable end overhangs constructed using the ladder detail. Nail the first boards on top of your wall where you plan to build your roof. When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm. Ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building.

Along the edges of the sheathing and every 8 in. Begin by measuring from your extended fascia to the peak of the shed. Uplift of roof decking at the overhang. Fill in the gable end studs after the rafters are complete photo 11.

Eaves form the overhang to distribute water clear of the walls. The triangular part of the gable wall is built after the rafters are installed. Sheathe the walls and roof with plywood. That is their functional purpose.

An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building. Along all other studs.