Ekuqaleni kophuhliso lwetekhnoloji yesikhumba yePVC, amashishini enziwe ngesikhumba asekhaya asalela emva kweYurophu.Kodwa kuphando kunye nokusetyenziswa kwe-PU yesikhumba yokwenziwa, sihlala sihambelana nendlela yobugcisa behlabathi ngokuqala kwangethuba, indawo yokuqala ephezulu, isantya sophuhliso olukhawulezayo, kwaye iye yaba liziko le-PU yesikhumba yokwenziwa eTshayina.