Ko te maitai o te waahanga Z he maitai noa i hangaia e te makariri me te angiangi.Ko te waahanga Q235 me te Q345 Z i roto i te waa noa. I tua atu i tona kaha nui me te pai o te mahi pera i te tiaki maitai, ko te waahanga Z he mea tino watea me te tere ki te whakauru.Ka whakamahia te nuinga mo nga purlins o nga whare hanganga maitai, ina koa mo te whare. o te whanui nui.He waahanga kawenga tuarua i roto i te punaha hanganga o te tuanui, e tuku ana i te kawenga o te tuanui ki te anga maitai.
| Z wāhanga maitai whakapūtātanga | ||||
| Tauira No. | h×b×a(mm) | Mātotoru(mm) | Tawhiti poka(mm) | Roa(mm) |
| Z140 | 140×50×20 | 2.0-2.5 | Ka taea te whakarite | Max 5.8m mo 20GP;11.8m mo 40GP/HQ |
| Z160 | 160×60×20 | 2.0-2.5 | Ka taea te whakarite | |
| Z180 | 180×70×20 | 2.0-2.5 | Ka taea te whakarite | |
| Z200 | 200×70×20 | 2.0-2.5 | Ka taea te whakarite | |
| Z220 | 200×75×20 | 2.0-2.5 | Ka taea te whakarite | |
| Z250 | 220×75×20 | 2.0-2.5 | Ka taea te whakarite | |
