Kubatsira kwekugadzira mataira easphalt nemutengo wakaderera kuri pachena, asi kana nguva yekushanda kwetaira easphalt iri pfupi zvakanyanya, kugadzirisa kunonoka chinhu chinonetsa zvikuru, asi kunowedzera kuoma kwekuvaka nemutengo wekuvaka.

Kutaura zvazviri, chinangwa chekutanga chekugadzira mataira easphalt ndechekugadzira imba yemapuranga. Nekuti hupenyu hwekabhini pachayo hupfupi, uye simba rekutakura mutoro harina kusimba, saka kudiwa kwetaira yakareruka uye yakatetepa, mataira easphalt akabuda panguva yenhoroondo, panzvimbo pejira rekutanga re linoleum, akava sarudzo yakanakisa yedenga rekabhini.

Kusvika pari zvino, mataira easphalt ave aripo kwemakore anopfuura makumi matanhatu, mushure memakore anopfuura makumi matanhatu ekugadzirwa, zvese zvine chekuita nemataira easphalt zvakagadziridzwa, shanduko iri pachena ndeyekuti mataira easphalt ane mwero wenyika.

Zvichienderana nezvinodiwa nenyika, hupenyu hwebasa retaira yeasphalt hunogona kuvimbisa makore makumi maviri ehupenyu, uye hupenyu hwebasa retaira yeasphalt hunogona kuvimbisa makore makumi matatu.

Izvozvo hazvisati zvareba semataira echinyakare, ayo anogona kugara kwemakore anosvika makumi mashanu. Asi zvichienderana nehuwandu hwekuvandudzwa kwemaguta muChina uye hupenyu hwekuvaka, hupenyu hwema shingles easphalt hwemakore makumi matatu hwakakwana kuti huenderane nezvivakwa zvakawanda. Saka mumakore gumi apfuura, huwandu hwekushandiswa kwemataira easphalt hwave hwakakura zvikuru, ese ane denga rakatsetseka, kune zviitiko zvekushandisa mataira easphalt.

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