Roof Sheathing Framing Plan

Use a framing square to help lay out the notch based on the slope of the roof.

Roof sheathing framing plan.

Most contemporary roof sheathing is either plywood or oriented strand board osb panels. Name email. The point at which all the rafters are attached to. This piece of plywood represents the dimensions for your roof and will serve as an assembly site for your rafters.

Produced by apa the engineered wood association formerly the american plywood association in 1989. A roof plan is typically drawn on the same sheet as the exte rior elevations. Also the roof sheathing working in conjunction with the roof framing must function as a diaphragm to transfer lateral loads to the building s shear walls. A roof framing plan shows the size and direction of the construction 425.

Transfers the load of the roof through the raftersto walls below. For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule. Lay a piece of 10 ft 5 ft 3 0 m 1 5 m plywood on the floor. The roof sheathing supports gravity loads such as the roof live load snow load and vertical uplift loads.

It spans the rafters to support the roofing and in the case of panel sheathing such as plywood or osb it acts as a diaphragm with the walls to resist horizontal loads. A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. Required fields are marked comment. Roof framing plans roof framing plans are usually required for complicated residential roof shapes and for most commercial projects.

If you have a 10 ft 3 0 m wide shed your roof will be 10 ft 3 0 m wide and 5 ft 1 5 m tall. Parts of a roof a ridge board is a horizontal member of the roof frame. Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof. Always ensure your work site is compliant with current osha regulations.

You may want to ask the support department to see if they have a way to place the members this way. Purlins are placed perpendicular to the roof framing in lieu of the sheathing. Created by wind pressures. Your email address will not be published.

Spaced wood sheathing is common for wood shingle roofs. This video may depict some work practices that do not meet current safety standards. Below is the framing for a gabled roof. Sheathing sheathing is a.

Exterior roof sheathing serves the same purposes for roofing materials as wall sheathing does for walls.