Ukubalwa kophahla kuziwa endabeni yentukuthelo
Cacisa Ubukhulu obudingekayo kwangu
X - the kobubanzi bendlu
Y - ukuphakama ophahleni
C - ubukhulu eziphephile eziphakeme
B - ubude ophahleni
inkomba
Lolu hlelo kuhloswe ngalo ukuba abale izinto ophahleni kuziwa endabeni yentukuthelo: inombolo ye impahla sheet (ondulin, Nulin, slate noma metal tiles), impahla underlay (asphalt, uphahla impahla), inani amabhodi lathing kanye semishayweni.
Ukuqapha! Qaphela ukuthi uhlelo ubheka amashidi ngesisekelo endaweni uphahla.
Ngokwesibonelo, 2.9 kuya 7.6 iphindaphindwe uchungechunge amashidi zilandelana. Uma ukwakhiwa Okuyınqo ubeke imigqa 3.
Ukuze sibalo enembe kakhudlwana kuyadingeka ukunciphisa ukuphakama sheet ukukhiqiza inombolo lonke emigqeni.
Kamuva kuyoba uhlelo ehlukile more ekubalweni izibikezelo yophahla impahla.
Futhi ungakhohlwa zithole impahla isakhiwo stock.