Roof Sheathing Framing Plan

Created by wind pressures.

Roof sheathing framing plan.

Roof framing plans roof framing plans are usually required for complicated residential roof shapes and for most commercial projects. A roof framing plan shows the size and direction of the construction 425. Use a framing square to help lay out the notch based on the slope of the roof. 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.

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. The roof sheathing supports gravity loads such as the roof live load snow load and vertical uplift loads. 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.

Required fields are marked comment. Your email address will not be published. Exterior roof sheathing serves the same purposes for roofing materials as wall sheathing does for walls. Sheathing sheathing is a.

Below is the framing for a gabled 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. 16 1 0 is commonly used for a roof plan.

You may want to ask the support department to see if they have a way to place the members this way. This piece of plywood represents the dimensions for your roof and will serve as an assembly site for your rafters. 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.

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. 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. Lay a piece of 10 ft 5 ft 3 0 m 1 5 m plywood on the floor.

Transfers the load of the roof through the raftersto walls below. Spaced wood sheathing is common for wood shingle roofs. Leave a reply cancel reply. Parts of a roof a ridge board is a horizontal member of the roof frame.

Always ensure your work site is compliant with current osha regulations.