White roof is soft

[beulahluster]

I just purchased my 2001 Bambi and while washing it discovered that it has a white roof. I admit that I was so excited to just find an affordable Bambi, I didn't inspect the roof prior to purchase. I've learned from reading other threads that this may be elastomeric paint. However, the roof is also noticeably softer. I can press on it and it pushes in. I definitely wouldn't want to try to stand on it. It seems to me that the aluminum might have been replaced with a different material, or perhaps the 2001's were manufactured with a different roof. Can anyone shed some light on my roof? Thanks!