Nowadays,inhomedecoration,tilesareusedtocoverthefloorsandwallsofkitchensandbathrooms.Althoughleak-proofingisdonebeforelayingtiles,itcannotbeguaranteedthattheleak-proofingwillbefoolproof.Moreover,youcannotguaranteethattherewillbenoleakageattheinterfacebetweenthefaucetandthecoldandhotwaterpipeswheninstallingthefaucet.