2013 Rockwood, What type of roof do I have?

[tds73]

I have a new to me 2013 Rockwood signature ultra lite, I have searched but cannot find my answer. I am wondering what type of roof I have, mainly so I can get the correct materials to maintain (sealant,tape, cleaner). Time to get up there and look it over before putting away for the year.

[SeaDog]

Take a look at the video it will explain how to tell the type of roofing material used on your rig.
https://www.google.com/search?sxsrf=...2d-gSr77nwBg28