B+ motorhomes

I cannot see the backing. but in a spot where the TPO is not glued, something made me once think it was feltish. I think its finish could be described as 'textured' as best I recall. I have a sample of EPDM, but a comparison of the textures somehow did not settle my question. And knowing R-Vision switched to TPO in my model year raises questions as well.

The is no problem with the roof, in any case.