hi all, a bit advice is needed here please,im nearly finished my 1st job which is a small bathroon,walls are plasterboard with no skim on top and the boxed in bath is marine ply. i did not prime the walls as was sure this didnt need done if its just board thats up and i primed the marine ply with pva a mix of 5 to 1 which did seem quite watery,,is this correct>?/? i know i should not use pva but client was adamant he was suplying all the adhesives etc so pva is what i was given ..any advice is gr8 cheers