I have bring my cover ashtray, stering part and the door dash to be paint with my interior today, and I realized that I have the same ruff texture on the ashtray and the top of the dash (it's a 1967 beaumont SD). It's this normal because on my 2+2 parisienne 1967, the lower part of the dash have the same texture than the ashtray. How it supost to be