Unfortunately an osb is less resistant to water compared to plywood.
Roofing plywood osb.
When it gets wet the sheathing could swell and thicken up because of the moisture.
Plywood is made out of laminated sheets of veneer.
Speaking of osb it s a top choice of homeowners looking for something more affordable than plywood.
It s a top choice because of its characteristic wherein it expands evenly when exposed to water unlike osb wherein only the edges expand.
A viable alternative to plywood this osb board is engineered to prevent any cupping warping or splitting.
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.
Oriented strand board osb is a material with oriented strand board osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction.
It becomes soft and weak when it delaminates.
It is extremely resistant to moisture.
Osb v plywood which is best.
The curb appeal of your home is lost because soon your shingles will start to misalign creating an eyesore on the top of your home.
It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes.
Plywood used for roof decking is typically called sheathing and.
When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood.
It is generally believed that osb is cheaper than plywood.
For plywood it is like 5 to 10 more expensive.
Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing.
1 2 cat ps2 10 osb sheathing application as 4 x 8.
Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood dominated market its use for exterior sheathing is.
Alternatively osb is created from wood chips resin and adhesive that is baked and formed into the shape of a sheet of plywood.
This is one of the reasons why some people prefer using plywood for their roof or subfloor.
A few other downsides to plywood.
For pricing and availability.
However when it is penetrated by water it takes a very long time to finally dry out compared to cdx plywood.
For pricing and availability.
Despite also being susceptible to water damage lipinskiy says that.