Minnesota 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.

Minnesota roof sheathing.

Align the long edge of the sheathing with the ends of the. Approved wall sheathing siding roof sheathing and roof covering must be installed according to the manufacturer s specifications. Click to add item 2 x 4 ac2 green pressure treated ccx plywood sheathing handi panel to the compare list. 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. Compare click to add item 2 x 4 ac2 green pressure treated ccx plywood sheathing handi panel to the compare list. A minimum of 3 4 inch into the roof sheathing.

All existing roofing layers shall be removed to the roof sheathing prior to installing new roof materials according to irc section 907. The 2020 minnesota residential code adopts the 2018 international residential code irc. Roofing materials must. Garages must also meet the land use and setback.

Where the roof sheathing is less than 3 4 inch thick the fasteners must. 8d ring shank nails should be used instead. Conditions about your roof that may limit your product choices or affect the cost of your roofing job. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.

Sheathing roofing and siding. Osb is lightweight cheap and strong enough to resist bending or breaking should someone be walking on the roof. The minimum plywood for roofing. Roof sheathing comes in grid marked 4 by 8 foot sheets and should be installed perpendicular to the frame.

Plywood is a bit more expensive than osb but is usually stronger. Minnesota residential code has different requirements for attached and detached garages. Sheathing should be a minimum of 19 32 inch thick. Oriented strand board osb is one of the most popular materials for roof sheathing.

Never attach roof sheathing with staples. Where the roof sheathing is less than 3 4 inch 19 mm thick the. Sheathing is installed perpendicular to roof trusses.