Virginia Roof Sheathing Requirement For Townhomes
As used in this section.
Virginia roof sheathing requirement for townhomes. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame. The virginia uniform statewide building code usbc contains the building regulations that must be complied with when constructing a new building structure or an addition to an existing building. Establishing requirements for the enforcement of the code by the local building departments and other code enforcement agencies. The framing details required in section r802 apply to roofs having a minimum slope of three units vertical in 12 units horizontal 25 percent slope or greater.
However as an exception to constructing a parapet in the first two cases the firewall may also be terminated at the underneath of the higher roof as long as either fire rated roof sheathing or 5 8 type x drywall below the roof sheathing is provided for a width of 48 on either sides of the firewall. Implied warranties on new homes. Section 1506 materials 1506 1 scope. The typical thickness range for sheathing is 3 8 to 3 4 inch.
The virginia uniform statewide building code usbc is a state regulation promulgated by the virginia board of housing. Sheathing should be a minimum of 19 32 inch thick. Never attach roof sheathing with staples. Continuity exceptions 11 1 hr floor extension not required in crawl space room side.
Where the roof sheathing is less than 3 4 inch 19 1 mm thick the fasteners shall penetrate through the sheathing. In addi tion an underlayment of 0 625 inch 15 9 mm type x water resistant gypsum backing board or gypsum sheathing shall be placed under minimum nominal 0 5 inch thick 12 7 mm wood structural panel solid sheathing or 1 inch 25 mm nominal spaced sheathing. New dwelling means a dwelling or house that has not previously been occupied for a period of more than 60 days by anyone other than the vendor or the vendee or that has not been occupied by the original vendor or subsequent vendor for a cumulative period of more than 12 months excluding dwellings constructed solely. After all would you really want to purchase a home that didn t meet the va roof requirements.
Fasteners for asphalt shingles shall be galvanized steel stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 3 mm shank with a minimum 3 8 inch diameter 9 5 mm head complying with astm f1667 of a length to penetrate through the roofing materials and not less than 3 4 inch 19 1 mm into the roof sheathing. Those va roof requirements are to make sure that you purchase a home that is safe for the years ahead. Townhouses as set out in section 310. Consider the inspection and the guidelines set out in the va pamphlet 26 7 as an excellent lens through which to view potential properties.
They must also be used when maintaining or repairing an existing building or renovating or changing the use of a building or structure. 8d ring shank nails should be used instead.