Minnesota Roof Sheathing

Sheathing roofing and siding.

Minnesota roof sheathing. Oriented strand board osb is one of the most popular materials for roof sheathing. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. Approved wall sheathing siding roof sheathing and roof covering must be installed according to the manufacturer s specifications. Sheathing should be a minimum of 19 32 inch thick.

Where the roof sheathing is less than 3 4 inch 19 mm thick the. Garages must also meet the land use and setback. Roofing materials must. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Minnesota residential code has different requirements for attached and detached garages. A minimum of 3 4 inch into the roof sheathing. Sheathing is installed perpendicular to roof trusses. Roof sheathing may also be constructed of plywood.

Never attach roof sheathing with staples. 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. The 2020 minnesota residential code adopts the 2018 international residential code irc. Conditions about your roof that may limit your product choices or affect the cost of your roofing job.

The minimum plywood for roofing. All existing roofing layers shall be removed to the roof sheathing prior to installing new roof materials according to irc section 907. Where the roof sheathing is less than 3 4 inch thick the fasteners must. Compare click to add item 2 x 4 ac2 green pressure treated ccx plywood sheathing handi panel to the compare list.

8d ring shank nails should be used instead. Align the long edge of the sheathing with the ends of the. Underlayment is a material placed on the roof sheathing before installing shingles. 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.

It is usually a thin black paper like material often referred to as roofing felt. 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. Rafters run from the peak of the roof.