HI .. MY MOTHERS MK1 PUNTO HAS FAILED ITS MOT (HOLES IN REAR FLOOR PANELS BOTH SIDES) CAN I GET REPLACMENT FLOOR PANELS AND WELD THEM IN OR HAVE I GOT TO JUST PATCH THEM ?? PLUS IF I DO PATCH THEM WILL I HAVE TO PLATE THE INSIDE OR OUTSIDE ..OR EVEN BOTH INNER&OUTER..... DAZ