I don't know what type of roof is on your 2000 Dutchman Aerolite Cub TT however I can help you determine what roof you have.
TPO is going to be on the thicker side (1.1mm - 2mm) than the EDPM membrane, and also has rubbery feel to it.
EDPM on the other hand is going to have a smooth finish to it compared to the TPO, and it is also going to be quite a bit thinner at around .40mm - .90mm.
As far as repair kits go that does depend on what you're needing done. For instance, we have the Alpha... view full answer...