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.
This means you can avoid the maintenance and avoid fixing it up after every bad storm.
This won t make it last any longer though.
How to repair an rv metal roof.
Then get roof epdm mastic and coat both the roof and the under side of the membrane and do not be skimpy.
Ft this way to replace a bad roof deck section and that was two years ago and it had been holding up fine.
Household roof coatings will seal a metal roof just fine but the best product by far for metal roofs is kool seal.
Relay roof and reinstall trim with new putty tape and seal seams at trim with dicor.
Clean the roof thoroughly then use a rubber roof sealer to repair any cracks.
I did an area of about 6 sq.
Vent the rv so the air can not build up pressure when moving.
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.
Having said that fiberglass rv roofs require less maintenance than rubber rv roofs which makes them preferable for some campers.