Roof Sheathing For Metal Roof

For economic and structural lateral load reasons solid sheathing is almost always plywood osb or other structural panels.

Roof sheathing for metal roof.

Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away. Metal roofing panels rated for architectural use attached to purlins horizontal pieces of wood or metal fastened to roofing trusses are structurally sound when installed according to your roofing manufacturer s instructions and local building codes. The minimum plywood for roofing. Roof sheathing is the material that goes on top of your roofing structure including the trusses and beams that the roofing system is constructed on.

I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather. Apply adhesive along the connection between the roof sheathing and rafters in a continuous bead much like caulk around a bathtub or apply adhesive to two adjacent sides of 1 by 2 blocks 6 inches. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.

The trusses and beams of the roof give the roof its initial pitch and structure and then the sheathing is applied so the actual underlayment and roof covering can be applied. Never attach roof sheathing with staples. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense. 8d ring shank nails should be used instead.

The typical thickness range for sheathing is 3 8 to 3 4 inch. Metal tile and shingle roofing may also be applied to solid sheathing. Rafters run from the peak of the roof. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.