I did an area of about 6 sq.
Rv roof membrane lifting.
Having said that fiberglass rv roofs require less maintenance than rubber rv roofs which makes them preferable for some campers.
This won t make it last any longer though.
Then get roof epdm mastic and coat both the roof and the under side of the membrane and do not be skimpy.
Clean the roof thoroughly then use a rubber roof sealer to repair any cracks.
How to repair an rv metal roof.
Household roof coatings will seal a metal roof just fine but the best product by far for metal roofs is kool seal.
Pvc rubber roofing is the strongest rv membrane for roofing with the highest tensile strength and the most resistance to tears and punctures.
The roof is wrinkled enough though that i don t think using the rubber roof is a viable option.
Vent the rv so the air can not build up pressure when moving.
Relay roof and reinstall trim with new putty tape and seal seams at trim with dicor.
Ft this way to replace a bad roof deck section and that was two years ago and it had been holding up fine.
See if you find where the air is.
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.