Have you thought about warranty specifics at all? Both brands have solid options, but CertainTeed tends to edge out Tamko slightly on warranty coverag...

Interesting point about cheaper TPO being more finicky—I had a similar experience with a batch last year. Got me wondering, do you think color plays i...

Yeah, materials definitely play a big role, but have you considered labor costs lately? They're creeping up too, especially if your roof has tricky an...