This engineered product may be similar to plywood in some ways but it is much less expensive.
Is osb better than plywood for roofing.
Plywood will absorb moisture quicker than osb but consequently it will also dry quicker.
In our area 1 2 in.
Osb has its advantages.
Osb sheathing costs a few dollars less per sheet than 1 2 in.
For plywood it is like 5 to 10 more expensive.
Plywood s edges also resist damage better than osb which can crack and fray upon impact and over time.
Some panels have a textured surface which makes them less slippery when used for roof sheathing.
Plywood is available in many plys and different levels of quality.
Home osb is about 700 less expensive compared with plywood if used as the subfloor sheathing and roof decking.
Overall in installing a whole roofing area osb will cost you 700 to 1 000 cheaper than plywood.
Osb is heavier than plywood and when properly waterproofed and maintained will generally lie flatter.
Today you can find osb in thickness from 7 16 to 1 1 8 for different applications from roof wall subfloor i joists and everything between.
Osb panels often have lines at 16 and 24 in.
Osb is much more waterproof than plywood and cdx plywood.
That is why osb is sometimes used to secure houses when a hurricane draws near.
University of massachusetts meets most building codes for roof and wall sheathing.
Both products will swell when wet but plywood will return to almost its exact shape when it dries.
2x greater shear strength than similar sized plywood source.
Due to the way that osb is made it is generally much more uniform in construction which gives it a clear advantage over other options.
The glue and resin that is mixed in with the wood chips makes it much less permeable so osb holds up longer in harsher conditions.
It is generally believed that osb is cheaper than plywood.
Osb is also more consistent than plywood.
When used as a roof sheathing this tendency to hold moisture means it can degrade faster than plywood when exposed to chronic leaks.
It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes.
Intervals so you know where underlying studs rafters and joists are for nailing.
Osb takes longer to get wet than plywood but also takes longer to dry out.
When osb does get wet it also tends to swell along the edges and those edges stay swollen even after the material has dried out.
Osb is cheaper than plywood by about 3 to 5 per panel.
