Roof Sheathing Framing Plan

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

Roof sheathing framing plan.

A roof plan is typically drawn on the same sheet as the exte rior elevations. The roof sheathing supports gravity loads such as the roof live load snow load and vertical uplift loads. The point at which all the rafters are attached to. Always ensure your work site is compliant with current osha regulations.

Below is the framing for a gabled roof. Required fields are marked comment. Lay a piece of 10 ft 5 ft 3 0 m 1 5 m plywood on the floor. 16 1 0 is commonly used for a roof plan.

Use a framing square to help lay out the notch based on the slope of the roof. Avoid roof complaints with proper framing sheathing and roofing techniques. This video may depict some work practices that do not meet current safety standards. 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.

Leave a reply cancel reply. You may want to ask the support department to see if they have a way to place the members this way. A roof framing plan shows the size and direction of the construction 425. Spaced wood sheathing is common for wood shingle roofs.

Transfers the load of the roof through the raftersto walls below. Purlins are placed perpendicular to the roof framing in lieu of the sheathing. Most contemporary roof sheathing is either plywood or oriented strand board osb panels. Parts of a roof a ridge board is a horizontal member of the roof frame.

A 2 4 wall with a 2 6 rafter can be notched for a 4 seat. Produced by apa the engineered wood association formerly the american plywood association in 1989. 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. 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.

Created by wind pressures. Your email address will not be published. Name email. 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.

Roof sheathing attaches to the surface of the rafters or trusses to form the structural skin of the roof.