Plywood Or Osb For Rv Roof

Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones.

Plywood or osb for rv roof.

Plywood average swell 6 to 8 depending on thickness. Like osb many rv manufacturers will not use the highest quality plywood. Thicknesses range from 5 16 to 3 4 inch and the proper. If your going to have a the sheathing off then i would add good quality insulation too.

Talking about plywood or osb for roofing you cannot miss the information of the cost. 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. The last layer on a membrane roof is 1 4 luan paneling.

Personally i would use a layer of 1 2 plywood osb is too fragile and then add the luan. Osb panels often have lines at 16 and 24 in. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it. Several grades of plywood and osb structural panels are recommended for specific rv applications.

Like a diving board. It is generally believed that osb is cheaper than plywood. My rv roof leaks in several places and the roof sagged around the air conditioner. Osb sheathing costs a few dollars less per sheet than 1 2 in.

Both cdx plywood and osb tend to come in standard sheets of four foot by eight foot 4 8. Because of its construction some manufacturers actually make larger sheets of osb. 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. Many rigs that come with dynaspan and other similar products construct the floor with one seamless piece.

Osb has its advantages. 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. For plywood it is like 5 to 10 more expensive.

Intervals so you know where underlying studs rafters and joists are for nailing. However you might find that osb can better suit your needs than plywood for the roof. Apa rated sheathing exterior fulfills the same function under high moisture conditions. Watch this now to learn how to avoid this same pr.

Plywood and osb structural panels. Osb average swell 10 to 15 depending on thickness. I would look for exterior 5 8 plywood as a flooring and exterior 1 2 inch for roof. In our area 1 2 in.