Roof Sheathing Nailing Pattern

3 how to replace roof sheathing.

Roof sheathing nailing pattern.

Ventilate the roof according to current building codes. A structure s roof truss spacing can vary from every 12 to 24 inches. Holes drilled in roof sheathing for ventilation roof diaphragm action is maintained. Wood of more dense species such as douglas fir or southern pine provides greater nail with drawal resistance and significantly improves the performance of the sheath ing nailing.

The roof ridge by nailing roof sheathing. Check the nailing surface is level. Ladder framing at gable ends use extra care when attaching a ladder framed exten sion to a gable end. There s always one or two around the attic.

Tab shingles need two nails on each side of the tab. Rigorously engineered to streamline continuous air and water barrier performance in structural roof and wall assemblies it has changed the way teams build. Roof and wall sheathing 8 10d every 4 6 on the seams and 8 12 in the field shingles six roofing nails or staples per shingle. A typical nailing pattern for a standard osb exterior wall is to insert one 8d nail every six inches along seams and in every stud that lies beneath the plane.

For clarity sheathing nails are not shown ladder framing at gable ends. Many homes have been severely. Before hurricane andrew devastated south florida in 1992 roof sheathing was generally attached using 6d nails spaced at 6 inches along the edges of the sheathing and at 12 inches along interior. Properly fasten panels including fastening and spacing hints.

A home inspector doing a wind mitigation form for insurance verifies the 8d ring shank nail by looking for a shiner a nail that missed the top of the truss or rafter. The roof framing members into which the sheathing fasteners are driven. Another consideration relates to the con dition of the building envelope during the high wind. By creating the integrated sheathing category over a decade ago zip system sheathing and tape replaced the need for housewrap on walls and felt underlayment in roof applications.

The number of nails needed for a roof varies on multiple factors such as board face width length and roof truss spacing. An 8d nail is 2 5 long and protrudes though the roof sheathing a little less than 2 as shown below. Nailing accuracy is crucial along this member. Boards used for sheathing range from those with a 4 inch face to 48 inch long plywood sheets.

Follow these 5 simple construction steps for roof sheathing and scroll down to see more details on each with installation hints and tips below step 1. The critical fasteners occur at the gable framing member not necessarily at the edge of the sheathing.