just readig my morning paper on saturday, its got a colum with a diy expert, someones wrote in and asked about tiling a floor,reponse was , you need to cover the floorboards with 6 or 9mm ply,a tiler would coat the ply with pva, then use a flexible adhesive to fix tiles,what comebacks would there be if this person follows the advise,does the diy expert go round and fix it after 3 months ,theres those that know and those that dont know they dont know