Umphezulu we-Aluminium Ceiling umphezulu othe tyaba, imigca ibukhali, kwaye ingqiqo ye-dimensional emithathu yomelele.Ibhodi nganye inokuchithwa kwaye ihlanganiswe ngokuzimeleyo, ekulungele ukwakhiwa, ukugcinwa kunye nokucoca.Xa uyilo, ububanzi be-keel bunokwenziwa ngokwezifiso kunye nokudibanisa izibane kunye nezixhobo zokungenisa umoya zingasetyenziselwa ukudala imiphumo eyahlukeneyo yomgca.
Kukho izitayile ezahlukeneyo zokubeka isilingi, ezinokudityaniswa ngokobungakanani obahlukeneyo besilingi, kwaye inokudityaniswa neepleyiti zesikwere kunye nemicu emide.