VICTOR. cheers 4 lookin mate. it took me 6 months 2 do the underneath. it took 4 ever! lol! but it woz well worth it. just scraped the old stuff off then rubbed it down with p80 preped it up then wet flat it with 1000 grit. then i seam sealed underneath. preped it again and flat it again. then 6 months later it woz ready 4 paintin.