For plywood it is like 5 to 10 more expensive.
Plywood or osb for rv roof.
However you might find that osb can better suit your needs than plywood for the roof.
Plywood can delaminate separate when it gets wet.
Intervals so you know where underlying studs rafters and joists are for nailing.
Over a period of time when subjected to high humidity or a series of dramatic wetting events osb is more prone to panel swell than plywood especially at the edges.
Osb average swell 10 to 15 depending on thickness.
Many rigs that come with dynaspan and other similar products construct the floor with one seamless piece.
Osb sheathing costs a few dollars less per sheet than 1 2 in.
Next off would certainly be wood and also steel roof shingles which are center of the roadway.
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.
I would look for exterior 5 8 plywood as a flooring and exterior 1 2 inch for roof.
Up until 2000 plywood held the majority of the market for wall roof and floor sheathing when it was surpassed by osb which as of 2018 held about 75 of the market share.
It is generally believed that osb is cheaper than plywood.
Plywood is better than osb for subfloors.
Osb boasts a more consistent density.
Like osb many rv manufacturers will not use the highest quality plywood.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
Plywood is made with an odd number of layers for optimal strength and performance.
Some panels have a textured surface which makes them less slippery when used for roof sheathing.
Osb panels often have lines at 16 and 24 in.
Despite its common use as such we don t recommend using osb for subfloors but that s really just for aesthetic reasons.
Osb has its advantages.
Generally asphalt tiles one of the most usual best plywood for rv roof repair system key in the u s are the most inexpensive to change.
Because of its construction some manufacturers actually make larger sheets of osb.
Thicknesses range from 5 16 to 3 4 inch and the proper.
One of the nice things about plywood is the variety of options you can buy.
Plywood average swell 6 to 8 depending on thickness.
Clay concrete and also slate ceramic tiles are where costs increase for best plywood for rv roof repair.
In our area 1 2 in.
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.
New homes will usually see a few rainfalls before a roof is on and as noted above osb doesn t handle moisture well.