Because of its construction some manufacturers actually make larger sheets of osb.
Plywood or osb for rv roof.
Thicknesses range from 5 16 to 3 4 inch and the proper.
My rv roof leaks in several places and the roof sagged around the air conditioner.
It is generally believed that osb is cheaper than plywood.
Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.
Personally i would use a layer of 1 2 plywood osb is too fragile and then add the luan.
Watch this now to learn how to avoid this same pr.
The last layer on a membrane roof is 1 4 luan paneling.
Plywood average swell 6 to 8 depending on thickness.
Like osb many rv manufacturers will not use the highest quality plywood.
Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8.
Intervals so you know where underlying studs rafters and joists are for nailing.
If your going to have a the sheathing off then i would add good quality insulation too.
Apa rated sheathing exterior fulfills the same function under high moisture conditions.
Apa rated sheathing exposure 1 is particularly well suited for subflooring and wall and roof sheathing.
I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.
Osb panels often have lines at 16 and 24 in.
Like a diving board.
Plywood can delaminate separate when it gets wet.
Plywood and osb structural panels.
They use this because of how smooth it is which makes the glue stick better.
It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes.
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.
I would look for exterior 5 8 plywood as a flooring and exterior 1 2 inch for roof.
Several grades of plywood and osb structural panels are recommended for specific rv applications.
However you might find that osb can better suit your needs than plywood for the roof.
While surveying the damage i determined that the roof is constructed in layers including rubber material plywood and foam.
Osb has its advantages.
For plywood it is like 5 to 10 more expensive.
The air conditioner mounts to a 2 x 6 piece of plywood that is supported only on one end.
Talking about plywood or osb for roofing you cannot miss the information of the cost.
In our area 1 2 in.
