Umatshini wokwenza i-CZ purlin unokuyilwa kunye no-Z, oko kukuthi i-CZ purlin yokwenza umatshini, kunye nobukhulu obahlukeneyo be-100-300mm, iiseti ezintathu zokubethelwa, kunye nobukhulu bezinto ezikrwada ze-1.5-3.0mm, ezihlangabezana neemfuno ze-purlins ezahlukeneyo market.or kuphela C purlin umatshini ukusuka 3 intshi ukuya 10 intshi, okanye imingxuma punch okanye yintoni ubukhulu bezinto ekrwada.