01 Izigqubuthelo zeFiberglass eziMnyama ezigqunywe kwiiCeiling
Isisombululo esiDityanisiweyo sokuhonjiswa kweKhaya: I-GRECHO egqunywe nge-fiberglass mat yenzelwe imarike yokuhombisa yasekhaya, ibonelela ngoluhlu olubanzi lwezicelo ezinje ngeesilingi, iibhodi zegypsum, iibhodi zokugquma, kunye nengaphakathi nangaphandle ...