Ukubalwa kwezinto zokufulela uphahla olunqophileko

Ukubalwa kophahla oluphakanyisiweko

Sibawa utjengise ubukhulu obutlhogekako ngamamilimitha

X - ububanzi bendlu
Y - ukuphakama kophahla
C - ubukhulu obuphakemeko
B - ubude bophahla

ireferensi

Ihlelo lenzelwe ukubala izinto zokwakha zophahla oluphakemeko: inani lezinto zokwakha (i-ondulin, i-nulin, i-slate nofana amathayela wensimbi), izinto zokuphahla (ngilazi, ukuphahla), inani lamabhodi wokuvala nama-rafters.

Itjhejo! Sibawa uqaphele bona ihlelo libala amaphepha ngokuya ngendawo yophahla.
Ukwenza isibonelo, imigqa ema-2.9 iphindwe amakhasi ama-7.6 emgqeni ngamunye. Ngesikhathi sokwakha kwamambala, imigqa emi-3 ibekwa.
Ukucacisa ukubala, udinga ukwehlisa ukuphakama kwephepha uze ufumane inani elipheleleko lemigqa.

Ngokukhamba kwesikhathi kuzokuba nehlelo elihlukileko lokubalwa okuhlakaniphileko kwezinto zokuphahla.

Begodu ungakhohlwa ukuthenga izinto zokwakha ngereserve.