Minnesota Roof Sheathing

Approved wall sheathing siding roof sheathing and roof covering must be installed according to the manufacturer s specifications.

Minnesota roof sheathing.

Sheathing is installed perpendicular to roof trusses. The minimum plywood for roofing. Rafters run from the peak of the roof. Plywood is a bit more expensive than osb but is usually stronger.

8d ring shank nails should be used instead. Where the roof sheathing is less than 3 4 inch thick the fasteners must. A minimum of 3 4 inch into the roof sheathing. Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof.

Garages must also meet the land use and setback. Sheathing roofing and siding. It is usually a thin black paper like material often referred to as roofing felt. Underlayment is a material placed on the roof sheathing before installing shingles.

Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. Minnesota residential code has different requirements for attached and detached garages. Align the long edge of the sheathing with the ends of the. Where the roof sheathing is less than 3 4 inch 19 mm thick the.

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

Roofing materials must. Click to add item 2 x 4 ac2 green pressure treated ccx plywood sheathing handi panel to the compare list. 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. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

All existing roofing layers shall be removed to the roof sheathing prior to installing new roof materials according to irc section 907. Sheathing should be a minimum of 19 32 inch thick. Oriented strand board osb is one of the most popular materials for roof sheathing.