Amaphaneli e-PU Sandwich asetshenziswa kabanzi ekwakhiweni kwezakhiwo zezentengiselwano nezimboni njengezindonga zangaphandle, uphahla, namaphaneli osilingi.Ngenxa yokusebenza kahle kakhulu kwe-insulation, amapaneli amasemishi e-PU(polyurethane) avame ukwamukelwa ukuze kufakwe ukushisa kanye nezicelo ezibulalayo kulezi zakhiwo, njengezitolo ezibandayo zokudla, amahholo ezimboni, izindawo zokugcina, izikhungo, amahhovisi, amahholo ezemidlalo kanye nasezindaweni zasemakhaya. izakhiwo.