Minnesota Roof Sheathing

Minnesota residential code has different requirements for attached and detached garages.

Minnesota roof sheathing.

The minimum plywood for roofing. Underlayment is a material placed on the roof sheathing before installing shingles. Align the long edge of the sheathing with the ends of the. Plywood is a bit more expensive than osb but is usually stronger.

Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. 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 10 mm head astm f 1667 of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 mm into the roof sheathing. A minimum of 3 4 inch into the roof sheathing. 8d ring shank nails should be used instead.

Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof. Compare click to add item 2 x 4 ac2 green pressure treated ccx plywood sheathing handi panel to the compare list. All existing roofing layers shall be removed to the roof sheathing prior to installing new roof materials according to irc section 907. Oriented strand board osb is one of the most popular materials for roof sheathing.

The 2020 minnesota residential code adopts the 2018 international residential code irc. Sheathing roofing and siding. It is usually a thin black paper like material often referred to as roofing felt. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Click to add item 2 x 4 ac2 green pressure treated ccx plywood sheathing handi panel to the compare list. Fasteners for asphalt shingles shall be galvanized stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 2 67 mm shank with a minimum 3 8 inch diameter 9 5 mm head of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 1 mm into the roof sheathing. Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof. Approved wall sheathing siding roof sheathing and roof covering must be installed according to the manufacturer s specifications.

Never attach roof sheathing with staples. Sheathing should be a minimum of 19 32 inch thick. Where the roof sheathing is less than 3 4 inch thick the fasteners must. Conditions about your roof that may limit your product choices or affect the cost of your roofing job.

Roof sheathing may also be constructed of plywood. Sheathing is installed perpendicular to roof trusses. Roofing materials must.