Ko ngā kaupapa hoahoanga o waho hou, tae atu ki ngā rūma rā, ngā tuanui patio, me ngā hanganga tuanui o waho, e hiahia ana ki ngā rauemi hanga e whakataurite ana i te ataahua o te whare, te pakari o te hanganga, te ātete ki te huarere, me te tāutanga utu-whai hua. He maha ngā wā ka pāngia ngā panera tuanui polycarbonate tuku iho e ngā tīwiri e kitea ana, ngā rīpene pēhanga wetekina, ngā mōrearea turuturu wai, me ngā tukanga huihuinga uaua, e whakawhāiti ana i tā rātou whakamahinga i roto i ngā hanganga arumoni me ngā whare noho paerewa teitei. Ka whakatauhia pai e ngā panera polycarbonate honohono hou kua whakahoutia ēnei raruraru ahumahi me te hoahoa kore-tīwiri me te kore-rīpene pēhanga kua whakauruhia. Mā te whakakotahi i te tuku mārama pai, te ātete pānga teitei, te paninga UV ngaio, te mahi whakamahana wera, me te ataahua hoahoanga hou, ka tautokohia e ēnei panera raka PC te tāutanga DIY tere me te hanganga hangarau nui, ka noho hei rauemi tuanui maha-whakamahinga me te uara nui mō ngā āhuatanga katoa o te piringa o waho.