SIWAY A1 PU FOAM nigice kimwe, ubwoko bwubukungu nibikorwa byiza Polyurethane ifuro.Yashyizwemo umutwe wa adaptate ya plastike kugirango ukoreshe imbunda isaba ifuro cyangwa ibyatsi.Ifuro izaguka kandi ikire nubushuhe bwo mu kirere.Byakoreshejwe muburyo butandukanye bwo kubaka porogaramu.Nibyiza cyane kuzuza no gufunga hamwe nubushobozi buhebuje bwo kwishyiriraho, ubushyuhe bwinshi nubushyuhe bwa acoustical.Ntabwo yangiza ibidukikije kuko idafite ibikoresho bya CFC.