Ladder Frame Roof Overhang

2x4 ladders with one dropped gable truss are applicable for overhangs up to 2 ft.

Ladder frame roof overhang.

In this system the outer framing under the overhanging roof deck sheathing. Through the wall sheathing and 1 1 2 inches into the inside framing member of the ladder framing. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. 2x6 ladders with one dropped gable truss and one dropped truss are applicable for overhangs up to 3 ft.

The ladder detail is frequently used when the builder continues the same truss size or rafter size all the way through the gable end. The other method commonly used to support the sheathing and the barge rafter is the ladder method. Except for tack on ladders have the ladder framing extend into the roof a distance at least equal to the overhang. Ladder outlooker block method.

With this technique lookout blocks are used to connect the barge or fly rafter back to the gable framing. This will be most effectiv e if the lag screws are installed towards the bottom of the gable truss top chord or rafter and the soffit is cov ered with wood sheathing that is fastened well to the ov erhang framing. Gable end overhangs with outlookers. Ladder details are usually adequate if the overhang is less than about 8 inches although they are frequently used for longer overhangs.