Ma shingle a 3 a asphalt amatenga dzina lawo kuchokera ku ma tabo atatu osiyana omwe amadutsa mopingasa pa shingle iliyonse, ndikupanga mawonekedwe oyera, ofananirako omwe amakwaniritsa masitayelo osiyanasiyana omanga, kuchokera ku nyumba zama ranchi mpaka ku nyumba zamakono. Mosiyana ndi masingle a asphalt apamwamba kapena apamwamba, omwe amakhala ndi mawonekedwe okhuthala, opangidwa ndi mawonekedwe,3 tabu dengaimapereka zokongoletsa zowoneka bwino, zotsika kwambiri zomwe eni nyumba ambiri amazikonda chifukwa cha kuphweka kwake kosatha. Kapangidwe kameneka kamapangitsa kuti anthu azioneka bwino komanso kuti madzi aziyenda bwino, zomwe zimathandiza kuteteza madenga ku kuwonongeka kwa chinyezi.

Zambiri zamakampani zikuwonetsa kutchuka kosalekeza kwa ma shingles a 3 tabu asphalt. Malinga ndi lipoti laposachedwa la Asphalt Roofing Manufacturers Association (ARMA), denga la ma tabu 3 limapanga pafupifupi 30% ya malo okhala ku North America, umboni wodalirika komanso wokwera mtengo. "Eni nyumba akuwonjezera kulinganiza zovuta za bajeti ndikugwira ntchito kwa nthawi yayitali, ndipo ma 3 tabu asphalt shingles amapereka mbali zonse ziwiri," akutero Maria Gonzalez, katswiri wofufuza za denga ku Construction Research Associates. "Amapereka moyo wazaka 15 mpaka 20 ndikusamalira moyenera, zomwe zimawapangitsa kukhala otsika mtengo m'malo mwa zinthu zamtengo wapatali monga zitsulo kapena slate."

Makontrakitala amakondanso denga la ma tabo 3 kuti akhazikitse molunjika. Maonekedwe opepuka a ma shingles amachepetsa ndalama zogwirira ntchito ndi zida, pomwe kukula kwake kofananira ndi mawonekedwe ake zimatsimikizira kukhazikika kokhazikika pakuyika. "Ma shingle 3 a asphalt ofolerera ndi ntchito yogwira ntchito zogona," akutero James Harrison, mwini wa Harrison Roofing Services. “N’zosavuta kuzigwira, kuzidula, ndi kuziika, zomwe zimafulumizitsa ndondomeko ya nthawi ya ntchito ndi kuchepetsa zolakwika.

Kupita patsogolo kwaposachedwa pakupanga kwakwezeranso magwiridwe antchito a 3 tabu asphalt shingles. Opanga ambiri tsopano akuphatikizira zopangira phula, zolimbitsa magalasi a fiberglass, ndi zokutira zosagwira algae kuti azitha kulimba, kukana nyengo, komanso moyo wautali. Zatsopanozi zimalimbana ndi zowawa zodziwika bwino monga ming'alu, kufota, ndi kukula kwa nkhungu, kuwonetsetsa kuti denga la 3 likhalabe lothandiza m'malo osiyanasiyana, kuchokera kumadera a m'mphepete mwa nyanja mpaka nyengo yachisanu ya kumpoto.

Kukhazikika ndichinthu china chomwe chikukula mu gawo la 3 tabo zofolera. Opanga angapo ayambitsa mapulogalamu obwezeretsanso ma shingle akale a asphalt, kusuntha matani mamiliyoni azinthu kuchokera kudzala chaka chilichonse. Kuonjezera apo, mphamvu zowonjezera mphamvu za 3 tab asphalt zofolerera shingles zapita patsogolo, ndi zinthu zina zokhala ndi zokutira zonyezimira zomwe zimachepetsa kuyamwa kwa kutentha, kutsika mtengo wozizirira kunyumba komanso kuchepetsa kuwonongeka kwa chilengedwe.

Pomwe msika womanga nyumba ukupitilira kuyambiranso kusokonezeka kwaposachedwa, kufunikira kwa ma shingles 3 a asphalt ofolera akuyembekezeka kukhalabe amphamvu. "Pokhala ndi nyumba zatsopano zikuyamba kukwera ndipo eni nyumba akuyika ndalama m'malo mwa denga, denga la 3 limapereka mtengo wokwanira komanso magwiridwe antchito omwe akuwoneka pamsika wamasiku ano," akuwonjezera Gonzalez. "Pamene opanga akupitiriza kupanga zatsopano ndi kupititsa patsogolo kukhazikika, ma shingles awa adzakhalabe ndi chikhalidwe chawo chokhazikika padenga la nyumba kwa zaka zikubwerazi."

Kwa eni nyumba omwe akuganizira zokonzanso denga kapena ntchito yomanga yatsopano, ma shingle 3 okhala ndi asphalt amapereka njira yolimbikitsira - kuphatikiza kukwanitsa, kulimba, komanso kusinthika kokongola. Ndi mbiri yotsimikizika komanso kupita patsogolo kosalekeza, denga la 3 tabu likadali chisankho chodalirika chomwe chimayimilira nthawi mumakampani omwe amasintha nthawi zonse.