Pvc rubber roofing is the strongest rv membrane for roofing with the highest tensile strength and the most resistance to tears and punctures.
Rv roof membrane lifting.
How to repair an rv metal roof.
I did an area of about 6 sq.
Ft this way to replace a bad roof deck section and that was two years ago and it had been holding up fine.
Having said that fiberglass rv roofs require less maintenance than rubber rv roofs which makes them preferable for some campers.
See if you find where the air is.
The roof is wrinkled enough though that i don t think using the rubber roof is a viable option.
Before epdm and tpo metal was the material of choice for rv roofs.
Household roof coatings will seal a metal roof just fine but the best product by far for metal roofs is kool seal.
It seems to me that the membrane is still intact and in good shape it s just the glue that s failed.
Clean the roof thoroughly then use a rubber roof sealer to repair any cracks.
Vent the rv so the air can not build up pressure when moving.
This means you can avoid the maintenance and avoid fixing it up after every bad storm.
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.