A few other downsides to plywood.
Roof osb vs plywood.
To understand plywood vs osb for roofing is probably very important when you are doing house renovating or remodeling.
Because of this manufacturing process osb is at least half the cost of cdx plywood.
About osb compared to cdx oriented strand board osb is made very differently.
Unfortunately an osb is less resistant to water compared to plywood.
Because of its construction some manufacturers actually make larger sheets of osb.
For a typical 2 400 sq.
So which one is better the old fashioned plywood or the osb.
This is one of the reasons why some people prefer using plywood for their roof or subfloor.
The roof can be made out of several common materials and plywood is one of them.
Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking.
One of the nice things about plywood is the variety of options you can buy.
Osb v plywood which is best.
Thankfully there are osb materials today that are designed to be moisture resistant.
In our area 1 2 in.
When it gets wet the sheathing could swell and thicken up because of the moisture.
Osb is made by combining glue resin and wood chips and pressing them into the shape of a plywood sheet then baking everything together.
Sheets which means you can sheathe an 8 ft.
Osb is cheaper than plywood by about 3 to 5 per panel.
Plywood is made with an odd number of layers for optimal strength and performance.
When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood.
Osb sheathing has one irritating characteristic but only if you abuse the stuff.
Osb panels can be manufactured in lengths up to 16 feet or sometimes even higher while plywood is generally limited to 8 to 10 feet.
Osb sheathing costs a few dollars less per sheet than 1 2 in.
Tall wall and the joists below with a single sheet.
It becomes soft and weak when it delaminates.
While a sheet of plywood might be 5 to 7 plies thick a sheet of osb is made from as many as 50 strand layers packed and compressed into the same thickness.
Both osb and plywood absolutely hate water lipinskiy mentions going on to say that the most important part regardless of which decking option you choose is that all penetration points on a roof are sealed.
Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing.
And osb is available in 4 x 9 ft.
However these days roofing can be made out of osb or oriented strand board.
However you might find that osb can better suit your needs than plywood for the roof.
