I ngā tau tata nei, kua haere tonu te haumi a ngā kaipupuri moni ki te mākete kirikiri uku nā te mea he pai ake ki ngā kaihanga ēnei hua nā te iti o te utu, te ngāwari o te whakauru, me te pono. Ko ngā mahi hanga hou e ahu mai ana i ngā rāngai noho me ngā rāngai kore-noho kua pā pai ki ngā tumanakohanga o te umanga.
He mea tika kia mōhiotia kua noho te uku hangarua hei wāhi hokohoko nui, ā, e tumanako ana ngā kaiwhakarato ki te whai hua mai i ngā painga maha o te tuanui papa uku. Ka whakamahia ngā papa uku hangarua mō te whakatika i ngā poka, te papa uku, te tapahi piriti, te whakatika makariri i ngā tuanui hou, ngā ara waka, ngā papa waka me ngā piriti, me ētahi atu.
I roto i te horopaki o te pikinga o te tono i roto i ngā rāngai noho me ngā rāngai arumoni, e matapaetia ana ko ngā tono whakahou tuanui te wāhanga nui rawa atu o te mākete kirikiri uku. Ko te kino me te pakaru i puta mai i ngā awhiowhio me ētahi atu āhuatanga taiao e whakaatu ana i te hiranga o ngā kirikiri uku. Hei tāpiri, e kīia ana ka aukati te whakahou tuanui i te tipu o ngā moroiti me ngā harore, ā, ka taea te tu atu i ngā pānga o ngā hihi ultraviolet, te ua me te hukarere. Ahakoa tēnei, i te tau 2018, neke atu i te $4.5 piriona ngā tono whakahou tuanui noho.
Ahakoa ka kukume tonu ngā kaipupuri moni i ngā papa raima mahi-teitei me ngā papa toru-wahi, ko te ia o ngā papa rahi e aro ana ki te whakapiki i te moni whiwhi mākete o ngā papa uku i ngā wā e whai ake nei. Ka taea e ngā papa raima ā-rahi, e mōhiotia ana ko ngā papa raima, ko ngā papa hanga rānei, te tiaki tika i te makuku me te whakapaipai i te uara ataahua o te tuanui.
Ko te pakari me te ngāwari o te whakamahi i ngā shingle rahi e whakaatu ana kua waiho rātou hei whiringa tuatahi mō ngā whare papai. Ina hoki, ko te wahanga moni whiwhi o ngā rauemi tuanui taera rīpene bituminous rahi o Amerika Te Raki i te tau 2018 neke atu i te 65%.
Ko ngā tono whare noho ka noho hei puna moni matua mā ngā kaihanga pereki uku. Kua whakaūtia ētahi painga pēnei i te utu iti, te mahi teitei me ngā rauemi tuanui ataahua. Nā te momo whare noho, neke atu i te 85% te nui o ngā pereki uku i whakamahia. Nā ngā āhuatanga tiaki taiao o te pereki i muri i te para, ka rongonui ngā pereki tuanui uku i waenga i ngā kaiwhakamahi mutunga.
Tērā pea ka noho te mākete pereki uku o Amerika Te Raki hei rangatira mō te ao ahumahi, nā te mea e matapaetia ana ka piki ake te hiahia mō te whakahou tuanui me ngā hua matatau pēnei i ngā pereki ā-rahi me ngā pereki whakapiripiri mahi-teitei. E kī ana ngā tāngata o roto i te umanga he pānga nui te huarere kino me te pikinga ake o ngā mahi hanga ki te whakatairanga i te hiahia mō ngā pereki uku i te rohe. Neke atu i te 80% te wāhi mākete o ngā pereki uku o Amerika Te Raki, ā, tera pea ka noho te rohe hei rangatira mō ngā tau e rima e whai ake nei.
Nā ngā mahi hangahanga kāore i kitea i mua i roto i ngā wāhi noho me ngā wāhi arumoni i roto i ngā ōhanga whanaketanga pēnei i a Īnia me Haina kua whakaoho i te hiahia mō ngā tuanui papa uku i te rohe o Āhia-Moananui-a-Kiwa. Kua tino piki ake te kukume o ngā papa uku i Haina, Kōrea ki te Tonga, Thailand me Īnia, e whakaata ana i te tere tipu e matapaetia ana o ngā papa uku i te rohe o Āhia-Moananui-a-Kiwa kia neke atu i te 8.5% i te tau 2025.
He hanganga arumoni te mākete kirikiri uku, ā, ko ngā kamupene pēnei i a GAF, Owens Corning, TAMKO, ētahi Teed Corporation me IKO te āhua nei kei a rātou te mana whakahaere i tētahi wāhanga nui o te mākete. Nō reira, kua tino honoa te mākete kirikiri uku ki ngā kamupene matua o te Hononga o Amerika. I taua wā anō, e matapaetia ana ka whakarewahia e ngā kaipupuri hea ngā hua auaha e ahu mai ana i te hangarau matatau hei uru atu ki Āhia me te Moana-nui-a-Kiwa me Ūropi ki te Rawhiti.