Framing Roof Overhang Gable Ladder
The triangular part of the gable wall is built after the rafters are installed.
Framing roof overhang gable ladder. 2x6 ladders with one dropped gable truss and one dropped truss are applicable for overhangs up to 3 ft. 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. This can be from two causes. Gable end overhangs constructed using the ladder detail.
Framing a gable roof building a gable with barge end purlin struts and collar ties. The picture above shows the plan view of a gable roof. If the gable end ov erhang uses the ladder detail method of construction and the length of the ov erhang is greater than 8 inches to 12 inches you may be able to strengthen the connection of the ov erhang 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. Inadequate nailing of the sheathing to supporting framing or inadequate connections of the framing at the rake edge that supports the roof.
To do this first make sure you cut your ridge board to a length that includes the length of the shed s rakes. Uplift of roof decking at the overhang. To create an overhang on the gable ends of your shed you ll need to construct something called a gable ladder. Next cut two additional sets of rafters for each gable end.
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. The diagonal plates are 3 1 2 inches down from the tops of the rafters to support 2x4 lookouts for framing the rake. Ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building. This video will.
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. Except for tack on ladders have the ladder framing extend into the roof a distance at least equal to the overhang. 2x4 ladders with one dropped gable truss are applicable for overhangs up to 2 ft.