Coil e koahetsoeng ka mebala ke sehlahisoa sa poleiti e chesang e nang le galvanized, hot aluminium plated zinki plated, electrogalvanized plate, joalo-joalo, ka mor'a ho phekoloa ka holimo (lik'hemik'hale tsa lik'hemik'hale le phekolo ea phetoho ea lik'hemik'hale), e koahetsoeng ka karolo e le 'ngoe kapa tse' maloa tsa ho roala ka holim'a metsi, ebe joale ho phehoa le ho phekolwa.Hobane e koahetsoe ka mefuta e fapaneng ea mebala e fapaneng ea coil ea tšepe ea 'mala oa pente e bitsoang coil, e bitsoang coil e tlotsitsoeng ka mebala.Ntle le ts'ireletso ea lesela la zinki, sekoaelo sa manyolo holim'a lesela la zinki se koahela le ho sireletsa lesela la tšepe ho thibela mafome, 'me bophelo ba ts'ebeletso bo bolelele ba makhetlo a 1,5 ho feta ba lesela la galvanized.Moqolo o koahetsoeng ka mebala o na le boima bo bobebe, ponahalo e ntle le ho hanyetsa kutu e ntle, empa hape e ka sebetsoa ka kotloloho, 'mala ka kakaretso o arotsoe ka bohlooho, boputsoa, bofubelu ba litene, bo sebelisoang haholo papatsong, kaho, indastering ea lisebelisoa tsa lapeng, indasteri ea lisebelisoa tsa motlakase, thepa ea ka tlung. indasteri le indasteri ea lipalangoang.
Pente e sebelisitsoeng ka bongata ba ho roala mebala e khethoa ho latela tikoloho e fapaneng ea ts'ebeliso, joalo ka polyester silicon e fetotsoeng polyester, polyvinyl chloride plastisol, polyvinylidene chloride joalo-joalo.Basebelisi ba ka khetha ho latela tšebeliso.