Tall wall and the joists below with a single sheet.
Osb vs sheathing and siding.
Any portion of osb such as the bottom edge or the backside on any overhangs that is not sealed and or painted is destined to fail and rot.
Two common types of structural wall sheathing are oriented strand board osb and fiberboard sheathing.
Both are wood products which makes them earth friendly.
Sheets which means you can sheathe an 8 ft.
Failure of the sheathing is extremely expensive since the everything attached to it needs to go as well.
Pretty much the same for any manufactured wood product and even natural wood that is not naturally rot resistant such as pine.
They attach to the exterior wall framing and brace the walls against positive and negative forces.
Osb would not be my first choice.
When considering plywood for sheathing builders choose from 1 2 inch cdx common construction grade material or 1 2 inch pressure treated plywood.
Osb sheathing has one irritating characteristic but only if you abuse the stuff.
In our area 1 2 in.
Since sheathing what plywood or osb are called when used on the exterior of a house is rarely if ever seen again once you cover it up with siding or shingles it s important to choose the right materials for the job.
And osb is available in 4 x 9 ft.