Inyubako zubakishijwe imbaho zirazwi cyane muburayi na Amerika hafi 90% byamazu yo guturamo (Inzu imwe cyangwa Villa).Dukurikije imibare y’isoko ku isi mu mwaka wa 2011, inyubako zakozwe n’ibiti byo muri Amerika ya Ruguru hamwe n’ibikoresho bihuye byatwaye 70% by’inyubako zubakishijwe ibiti ku isi umugabane w’isoko.Mbere ya za 1980, ubwoya bw'amabuye hamwe n'ubwoya bw'ikirahure byatoranijwe kugira ngo bikingire inyubako z’ibiti byo muri Amerika, ariko nyuma basanze bifite Carcinogene nyinshi mbi ku buzima bw’umuntu kandi zidafite imikorere idahwitse.Mu myaka ya za 90, Ishyirahamwe ry’imyubakire y’ibiti ry’Abanyamerika ryasabye ko inyubako zose zubakishijwe ibiti zizakoresha ifuro ryinshi rya polyurethane kugira ngo ubushyuhe.Ifite ubushyuhe bwiza nijwi ryimikorere, umutekano hamwe nibidukikije.SWD yubucucike buke bwa polyurethane spray ifuro yakozwe na SWD Urethane., Reta zunzubumwe zamerika yakoresheje uburyo bwo kubira amazi yuzuye, ntabwo bizasenya ozonosifike, ibidukikije bitangiza ibidukikije, ingufu zikoresha ingufu, ingaruka nziza zo gukumira no guhatanira ibiciro.Byahindutse ibicuruzwa byibanze kumiterere yimbaho za villa ku isoko ryabanyamerika.