Plywood Or Osb For Rv Roof

Like osb many rv manufacturers will not use the highest quality plywood.

Plywood or osb for rv roof.

For plywood it is like 5 to 10 more expensive. Osb average swell 10 to 15 depending on thickness. In our area 1 2 in. Osb has its advantages.

Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. The last layer on a membrane roof is 1 4 luan paneling. My rv roof leaks in several places and the roof sagged around the air conditioner. Intervals so you know where underlying studs rafters and joists are for nailing.

Talking about plywood or osb for roofing you cannot miss the information of the cost. Watch this now to learn how to avoid this same pr. The air conditioner mounts to a 2 x 6 piece of plywood that is supported only on one end. It is true as the price of every osb board is around 15 20 per sheet 4 8 sizes.

Thicknesses range from 5 16 to 3 4 inch and the proper. Because of its construction some manufacturers actually make larger sheets of osb. Like a diving board. Plywood and osb structural panels.

They use this because of how smooth it is which makes the glue stick better. Plywood average swell 6 to 8 depending on thickness. 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. Some panels have a textured surface which makes them less slippery when used for roof sheathing.

While surveying the damage i determined that the roof is constructed in layers including rubber material plywood and foam. Personally i would use a layer of 1 2 plywood osb is too fragile and then add the luan. However you might find that osb can better suit your needs than plywood for the roof. 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. Osb panels often have lines at 16 and 24 in. Plywood can delaminate separate when it gets wet. If your going to have a the sheathing off then i would add good quality insulation too.

Apa rated sheathing exposure 1 is particularly well suited for subflooring and wall and roof sheathing. I would look for exterior 5 8 plywood as a flooring and exterior 1 2 inch for roof. Apa rated sheathing exterior fulfills the same function under high moisture conditions. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.