Ukuqondisa ngokubanzi kubhekiselele kwintsimbi engqukuva ebopha iintsimbi zentsimbi, oko kukuthi imivalo yentsimbi erhabaxa, ukuqinisa uzinzo lwee-purlins kunye nokwenza ukuba ii-purlins zingabi lula ukungazinzi kunye nomonakalo phantsi kwamandla athile angaphandle. Kukho iibrayisi ezidiagonal (okt. 45-degree ukugoba kumsonto ojijwayo) kunye neebrace ezithe nkqo (okt yonke ithe tye). Emva konyango olushushu lwe-galvanizing, i-antirust effect ifunyenwe.
1. Fumana iibholiti zamandla aphezulu kwizakhiwo zetsimbi. Izisombululo eziqinileyo nezithembekileyo ziyafumaneka ngoku.
2. Fumanisa iibholiti ezikumgangatho ophezulu eziphezulu zezakhiwo zentsimbi. Kubalulekile kulwakhiwo olukhuselekileyo.
3. Thenga iibholiti eziphezulu zokuxhasa izakhiwo zetsimbi. Qinisekisa uzinzo kunye nokhuseleko kwiiprojekthi zakho.
4. Fumana iibholiti ezingcono kakhulu eziphezulu zezakhiwo zetsimbi. Izisombululo ezithembekileyo zokuqinisa naluphi na ulwakhiwo.
5. Tyala imali kwiibholiti eziphezulu zezakhiwo zetsimbi. Qinisekisa imfezeko kunye nokhuseleko lweeprojekthi zakho zokwakha.