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.
Rvs using marine plywood for roof.
It s glued and stabled down just like the factory did it.
Watch out for the home depot plywood s as many only have three ply s and or voids.
Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.
Some years back the rv industry touted a whole new roofing material called epdm for ethylene propylene diene monomer m class rubber.
Plywood can delaminate separate when it gets wet.
But with time rvers began to notice a few problems.
Having said that fiberglass rv roofs require less maintenance than rubber rv roofs which makes them preferable for some campers.
Assuming your trusses are 24 on center i would be inclined to use a good quality exterior grade 1 2 plywood.
I have however built a camper with fiberglass roofing.
Fiberglass this type of rv roof is hard to the touch and is a bit more rare than a rubber rv roof because the material adds cost and weight to the rv.
Recreational vehicle rv manufacturing recreational vehicle rv manufacturers use apa trademarked plywood and osb oriented strand board structural panels in motor homes and mini homes in travel trailers fifth wheel trailers and tent trailers in vans pickup campers and all kinds of special order custom made and converted units.
Next off would certainly be wood and also steel roof shingles which are center of the roadway.
Many rigs that come with dynaspan and other similar products construct the floor with one seamless piece.
The minimum plywood for roofing.
Like osb many rv manufacturers will not use the highest quality plywood.
For a while it was like that.
I get the plywood on the roof.
I have never glued rubber roofing on.
Keep watching if you want to see.
A half inch cdx plywood is often used with rafter with 24 inch spacing.
Vinyl siding 4 x 8 x 3 8 cedar plywood and batten strips any number of other less costly exterior grade 1 4 plywood even 10 sheet lauan plywood primed and painted with batten strips or if you have access to a metal brake trim coil can be braked to resemble the aluminum siding around 65 85 per 50 x 24 roll.
If your roof carries a heavier load like if there s less pitch and or it snows in your area a roofer may recommend the use of the inch variety.
Said to last the life of your rv it would be a virtually maintenance free roof that should make rvers dance with joy.
I would look for exterior 5 8 plywood as a flooring and exterior 1 2 inch for roof.