I-New Jersey, e-USA - Umbiko wocwaningo lwemakethe ye-asphalt shingle uwucwaningo oluningiliziwe lwemboni ye-asphalt shingle, olugxile emandleni okukhula kwemakethe ye-asphalt shingle kanye namathuba angaba khona emakethe. Idatha yocwaningo lwesibili ivela ezincwadini zikahulumeni, izingxoxo zochwepheshe, ukubuyekezwa, izinhlolovo, kanye namajenali athembekile. Idatha eqoshiwe yathatha iminyaka eyishumi, kwabe sekwenziwa ukubuyekezwa okuhlelekile ukuze kwenziwe ucwaningo olujulile ngabathonya emakethe ye-asphalt shingle.
Usayizi wemakethe wama-asphalt shingles ngo-2020 ungama-US$6.25604 billion, futhi kulindeleke ukuthi ufinyelele ama-US$7.6637 billion ngo-2028, ngesilinganiso sokukhula saminyaka yonke esingu-2.57% kusukela ngo-2021 kuya ku-2028.
Ama-shingle e-asphalt awuhlobo lwama-shingle odongeni noma ophahleni asebenzisa i-asphalt ukuvimbela amanzi. Ungomunye wemigubuzelo yophahla esetshenziswa kakhulu eNyakatho Melika ngenxa yezindleko zawo ezishibhile zangaphambi kwesikhathi kanye nokufakwa okulula. Kusetshenziswa ama-substrate amabili ukwenza ama-shingle e-asphalt, izinto eziphilayo kanye nemicu yengilazi. Izindlela zokukhiqiza zalezi zibili ziyafana. Olunye noma zombili izinhlangothi zimbozwe nge-asphalt noma i-asphalt eguquliwe, indawo eveziwe igcwele i-slate, i-schist, i-quartz, izitini ezi-vitrified, itshe] noma izinhlayiya ze-ceramic, kanti indawo engezansi iphathwa ngesihlabathi, i-talcum powder noma i-mica. , Ukuvimbela ama-shingle ukuthi anamathele komunye nomunye ngaphambi kokusetshenziswa.