The most common materials for this are oriented strand board osb or plywood both formed of layers of wood bonded into a panel.
Roofing plywood osb.
It s a top choice because of its characteristic wherein it expands evenly when exposed to water unlike osb wherein only the edges expand.
For pricing and availability.
Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing.
However when it is penetrated by water it takes a very long time to finally dry out compared to cdx plywood.
It is extremely resistant to moisture.
Talking about plywood or osb for roofing you cannot miss the information of the cost.
When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood.
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.
Alternatively osb is created from wood chips resin and adhesive that is baked and formed into the shape of a sheet of plywood.
A few other downsides to plywood.
When it gets wet the sheathing could swell and thicken up because of the moisture.
Zip system 7 16 cat ps2 10 osb sheathing application as 4 x 8.
Unfortunately an osb is less resistant to water compared to plywood.
For plywood it is like 5 to 10 more expensive.
Plywood used for roof decking is typically called sheathing and.
Osb v plywood which is best.
It becomes soft and weak when it delaminates.
For pricing and availability.
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.
A viable alternative to plywood this osb board is engineered to prevent any cupping warping or splitting.
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.
This is one of the reasons why some people prefer using plywood for their roof or subfloor.
Speaking of osb it s a top choice of homeowners looking for something more affordable than plywood.
Despite also being susceptible to water damage lipinskiy says that.
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.
1 2 cat ps2 10 osb sheathing application as 4 x 8.