Ko ngā hua e pā ana ki te tāera whatu uku ko: 1) tāera whatu uku. Kua roa te whakamahinga o ngā papa whatu uku i Haina, ā, kāore he paerewa. He rite te hanga me te whakamahinga ki te tāera muka karāhe sima, engari ko te uku te mea e whakamahia ana hei here. Ka taea te whao me te kani, he mea watea ki te whakamahi. Heoi, nā te pikinga ake o te tāera whatu uku, kei te iti haere te whānuitanga o te whakamahinga, ā, nā te mea he tata ki te 1cm te matotoru o te tāera, ahakoa e whakamahia ana te muka karāhe me ngā maramara rakau hei whakakī whakakaha, e ahua nui rawa ana te utu. 2) Tāera muka karāhe? tāera whakakaha muka karāhe。He kāwai nui tēnei o ngā hua, tae atu ki ngā taera FRP kua whakapakarihia ki te muka karāhe, ngā taera sima kua whakapakarihia ki te muka karāhe me ngā taera uku rhombic. Ko ngā taera FRP kua whakapakarihia ki te muka karāhe ka whakakahangia ki te muka karāhe, ā, ka pania ki te kapia epoxy, polyester rānei. Ko te nuinga o ngā ārai rā e hangaia ana ki tēnei rauemi. Ko ngā taera sima kua whakapakarihia ki te muka karāhe (tara rhombolite rānei) ka whakakahangia ki te muka karāhe ātete-kawakore, ā, ko te taha waho ka pania ki te moata sima (rhombolite rānei). Ka kiia hoki tēnei momo rauemi he hua sima kua whakapakarihia ki te muka karāhe (GRC). Haunga ngā taera sima, kei reira ētahi atu hua, pērā i te kaukau, ngā tatau me ngā matapihi, me ētahi atu. He rite ki ngā taera uku i runga ake nei, ko te taera sima he taera ngaru pakari he rahi nui, ā, ko tōna roa me tōna whānui he neke atu i te 1m. 3) He papa tuanui uku. He momo rauemi rau tēnei me te muka karāhe me ētahi atu rauemi hei turanga potae hei paparanga whakakaha, ā, ka tapahia kia rite ki tētahi āhua i muri i te hanga i runga i te momo hanga o te rauemi takai ārai-wai uku. He ngāwari tēnei momo rauemi, he rerekē i ngā hua tuatahi e rua. Ko te ingoa o te tile he ingoa i tangohia mai, nō reira ko tōna ingoa Pākehā ko te shingle, kaua ko te tile. He mea hanga tēnei momo tile ki te muka karāhe hei turanga potae whakapakari, ki te uku waikura, ki te uku whakarerekētia rānei hei rauemi paninga, ā, ko te mata o runga he mea hanga ki te onepu matotoru hei kakahu hora. Ka wharikihia ki runga i te tuanui kia taupatupatu. Ka taea te whao me te piri. Ko te taumaha o te paparanga waikore mō ia mita tapawha o te tuanui he 11 kg (ki te mama ake, kāore e ranea te matotoru o te uku, ka whakaiti pea i te pānga waikore)? He mārama he mama ake i te 45 kg? Mita tapawha o te paparanga waikore o te uku uku. Nō reira, he iti ake ngā whakaritenga tautoko mō te taera uku uku i runga i te paparanga hanganga o te tuanui, ā, he māmā ake te hanga. Nā tēnei, he maha ngā kamupene Pākehā me Amerika e whakaputa ana, e hoko ana hoki i tēnei hua, pērā i a soprema me bardoline i Ūropi, Owens & Cornings i te Hononga o Amerika, me ētahi atu. He wheako angitu tā rātou ki te hanga me te whakamahi i tēnei hua.