Ukubalwa uphahla lenyoka
Ngenisa kwimilinganiselo efunekayo mm
X - ububanzi Housing
Y - bophahla
C - ubungakanani itulo
B - bophahla
ulwazi
Le nkqubo yenzelwe ukubala izinto kophahla ephucula: ubungakanani eziphathekayo sheet (ondulin, Nulin, isileyiti okanye metal iithayile), izinto underlay (asphalt, izinto zokuxhoma), inani batten nophahla iiplanga.
isilumkiso! Nceda uqaphele ukuba le nkqubo iqwalasela u mandlalo ngokusekelwe kummandla eliseluphahleni.
Umzekelo, 2.9 ukuya 7.6 banda uthotho kweemakhishithi ilandelelana. Ekwakhiweni yokwenene wabeka imiqolo 3.
Ukuze kubalwe ngokuchanekileyo ngaphezulu kuyimfuneko ukunciphisa umphakamo wetshati ukufumana lonke inani lemiqolo.
Kamva kuya kubakho inkqubo eyahlukileyo ngaphezulu ekubaleni axelwe izinto zokuxhoma.
Kwaye musa ukulibala ukuthenga izinto zokwakha ukusuka reserve.