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.
Osb vs plywood for roofing.
When the roofing material cannot hold nails and screws properly of course they cannot hold its shape very well.
Plywood is better than osb for subfloors.
Because of this manufacturing process osb is at least half the cost of cdx plywood.
Although we did mention that there is an osb today which is manufactured to be resistant to wet conditions.
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.
The reason is very very simple.
Osb vs plywood screw holding.
This is why plywood is considered as the better option for roofing.
As a homeowner if you find yourself in this position know that when you install a new decking system you will have to decide between using plywood or osb.
There is nothing wrong with plywood but for me personally we always go with the osb he says.
Performance over a long period of time.
Lipinskiy says that both plywood and osb are sufficient but that he does prefer osb.
Screwe holding ability is a critical matter in roofing.
Osb is made by combining glue resin and wood chips and pressing them into the shape of a plywood sheet then baking everything together.
Osb boasts a more consistent density.
Plywood is the ideal material for places having a wet weather condition.
Compared to cdx oriented strand board osb is made very differently.
This is why you need to know the screw holding ability between plywood vs osb for roofing.
You won t have to worry about the material expanding anytime soon like when you use osb.
You can consider this as an advantage but it can also have some drawbacks.