Amaphrojekthi ezakhiwo zangaphandle zesimanje, kufaka phakathi amakamelo okulala ilanga, ama-canopy e-patio, kanye nezakhiwo zophahla zangaphandle, adinga izinto zokwakha ezilinganisela ukubukeka kobuhle, ukuqina kwesakhiwo, ukumelana nesimo sezulu, kanye nokufakwa okungabizi kakhulu. Amaphaneli ophahla e-polycarbonate endabuko avame ukuba nezikulufo eziveziwe, imichilo yokucindezela ekhululekile, izingozi zokuvuza kwamanzi, kanye nezinqubo zokuhlanganisa eziyinkimbinkimbi, okunciphisa ukusetshenziswa kwawo ekwakhiweni kwezentengiselwano nezindlu zokuhlala ezisezingeni eliphezulu. Amaphaneli e-polycarbonate asanda kuthuthukiswa axazulula la maphuzu obuhlungu embonini ngokuphelele ngomklamo ohlanganisiwe ongenasikulufo kanye nomchilo ongenasikulufo. Ehlanganisa ukudluliselwa kokukhanya okuhle kakhulu, ukumelana nomthelela omkhulu, ukugqoka kwe-UV kobungcweti, ukusebenza kokushisa kokushisa, kanye nobuhle besimanje bezakhiwo, lawa maphaneli okukhiya e-PC asekela ukufakwa okusheshayo kwe-DIY kanye nokwakhiwa kobunjiniyela obukhulu, abe yinto yokuphahla eguquguqukayo futhi enenani eliphezulu kuzo zonke izimo zokukhosela zangaphandle.