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