Framing A Gambrel Roof Overhang

Nail along the edges of the osb or plywood driving the nails into the rafters every 8 inches 20 cm with 8d common nails.

Framing a gambrel roof overhang.

Shed framed with gambrel trusses building a gambrel shed truss when you are designing your shed roof whether it be a gambrel gable or saltbox you should never have any roof pitch less than a 3 12. Installing the roofing sheets. This means that for every 12 horizontal run you must have at least 3 of rise. However pre cut trusses for a gambrel roof often require that the homeowner build and create their own eaves as this style of roof has very little if any overhang.

To create eaves on your barn style roof you can use a rafter tail. Nail osb or plywood onto the rafters to enclose the roof. Build gable roof trusses 3 12 pitch. The cross section of a gambrel roof is similar to that of a mansard roof but a gambrel has vertical gable ends instead of being hipped at the four corners of the building.

As you can notice in the image you need to use regular trusses and to install 7 blockings as to get a 10 overhang. Build gable roof trusses 6 12 12 12 pitch. This serves the purpose of the eave and creates shade and protection against nature s elements. A rake on the gable end of the roof can be created with the construction of additional roof framing.

Attach the components to the gambrel ends and secure them to the framing with 3 1 2 galvanized screws after drilling pilot holes. Build barn style gambrel roof trusses. For gabled roofs the roof rafters extending beyond the wall caps creating an angled roof overhang on the eaves. Due to the steeper angle of gable roof the maximum width of the eaves is narrower than other shed styles.

Raise and attach the walls. Place the osb or plywood on the top portion of the rafters and make sure that the edges run flush. Start with the top corners of the roof first.