1. Whakarōpūtanga hua
1) E ai ki te āhua o te hua, ka wehea ki te tāera papatahi (P) me te tāera whakakikoruatia (L).
2) E ai ki te rauemi tiaki mata o runga, ka wehea ki te rauemi matūriki kohuke (pepa) (m) me te pepa whakarewa (c).
3) Me whakamahi te muka karāhe whakakaha, whakaroa rānei, kāore rānei i whakakaha (g) mō te turanga potae.
2. Ngā whakatakotoranga hua
1) Roa e taunakitia ana: 1000mm;
2) Whānui e taunakitia ana: 333mm.
3. Ngā Paerewa Whakahaere
GB / t20474-2006 shingle uku whakakaha muka karāhe
4. Ngā mea matua hei whiriwhiri
4.1 te whānuitanga o te tono
1) E tika ana mō ngā tuanui raima whakapakari me te pūnaha tuanui rakau (anga maitai rānei). Me papatahi te mata o te Papa Mataara raima i runga i te tuanui pari, ā, me ārai te Papa Mataara rakau i te waikura me te rongoā ātete pūrerehua.
2) Ka whakamahia te nuinga mō te tuanui piki o ngā whare noho iti, maha-papa rānei, me ngā whare arumoni.
3) E tika ana mō te tuanui he 18° ~ 60° te pari. Mēnā he > 60° te pari, me whakakaha ake ngā tikanga whakapiri.
4) Ina whakamahia takitahi te pereki uku, ka taea te whakamahi mō te taumata ā-wai III (kotahi te pā ā-wai me te urunga ā-wai) me te taumata IV (kotahi te pā ā-wai kāore he urunga ā-wai); Ina whakamahia ngātahi, ka taea te whakamahi mō te taumata ā-wai I (e rua ngā paparanga o te pā ā-wai me te urunga ā-wai) me te taumata II (kotahi ki te rua ngā paparanga o te pā ā-wai me te urunga ā-wai).
4.2 ngā pūwāhi kōwhiringa
1) Ngā tohu hangarau matua hei whakaaroaro mā te whiriwhiri i te pereki uku kua whakapakaritia ki te muka karāhe: te kaha kume, te ātete wera, te kaha haehae, te ātete ki te wai, te koroheketanga tere o te āhuarangi horihori.
2) Kaua te tuanui pari e whakamahi i te paninga ā-wai hei paparanga ā-wai, hei urunga ā-wai rānei.
3) Mēnā ka whakamahia he tāera uku mō te tuanui raima, me whakanoho te paparanga whakamahana ki runga ake i te paparanga ātete wai, ā, me whakamahi te rauemi whakamahana ki te papa polystyrene extruded (XPS); mō te tuanui rakau (te anga maitai rānei), me whakanoho te paparanga whakamahana ki runga i te tuanui, ā, me whakamahi te rauemi whakamahana ki te huruhuru karāhe.
4) He tāera ngāwari te tāera uku, ā, he tino whakaritenga mō te papatahi o te papa turanga. Ka whakamatautauria ki te ture ārahi 2m: kaua te hapa papatahi o te mata paparanga whakataurite e neke atu i te 5mm, ā, kaua hoki e wetekina, e ngatata, e tihore, me ētahi atu.