Mdani wamkulu wa mazenera ndi matabwa akunja si madzi, koma dzuwa.
Ngakhale malo olumikizirana ndi PVC amayenera kulimbana ndi dzuwa. Ngati mbiri ya PVC ili yoyipa, cholumikizira chimatha kukhala chachikasu, kupindika pakapita nthawi - ndichifukwa chake zolumikizira zimayikidwa pagulu la PVC - ndikukhala osalimba.
Kumbali inayi, matabwa omatidwa kuchokera ku zigawo zingapo, mwachitsanzo ma profiles a laminated, alibe vuto ndi kupindika, koma vanishi yakunja iyenera kukhala yapamwamba kwambiri komanso yopakidwa bwino.
Ukalipentala wakunja wokutidwa ndi chiyani?
Vanishi yamadzi yogwiritsira ntchito kunja imakhala ndi gawo loyamba, mwachitsanzo, maziko, omwe ali ndi insulator yotetezera kumadzi ndi dzuwa ndi inshuwaransi yomwe imateteza ku tizilombo ndi bowa. Akagwiritsidwa ntchito, amalowera pansi ndikuteteza nkhuni. Zigawo zina ziwiri kapena zitatu ndi makoti apamwamba omwe amakhala ndi zoletsa kwambiri za UV, zomwe ntchito yake yayikulu ndikuteteza nkhuni ku kuwala kwa UV.
Varnish yamadzi imasungunuka ndi madzi panthawi ya varnish, choncho nthawi zambiri pamakhala kukayikira kuti mvula imatha kutsuka nkhuni. Zimenezo si zoona. Ikangowuma pamwamba pa matabwa, vanishiyo amakhala osalowa madzi ndipo madzi sangathenso kulowa mumatabwa.
N’chifukwa chiyani dzuwa ndi vuto lalikulu kuposa madzi?
Yankho lili mu chiganizo choyamba chalembali. Palibe chomwe chimatetezedwa ndi dzuwa. Pulasitiki imakhala yophwanyika komanso yong’ambika, mphira nawonso, mitundu imazimiririka (kumbukirani maambulera a m’mphepete mwa nyanja), ming’alu ya canvas, ma facades amazimiririka …
Mofanana ndi china chilichonse, zolumikizira matabwa ziyenera kutetezedwa mokwanira ku dzuwa. Ukadaulo umenewu ndi wovuta chifukwa uyenera kuteteza matabwawo mmene ndingathere, ndipo panthawi imodzimodziyo umalola kuti upume ndipo, mofanana ndi chinthu chilichonse, umakulirakulira m’nyengo yachilimwe ndi kukangana m’nyengo yozizira.
Mitengo ikagwiritsidwa ntchito ndi vanishi, zigawo zomaliza ziyenera kukhala ndi UV inhibitors omwe amamenyana ndi dzuwa. Dzuwa limawawotcha pakapita nthawi, kotero zigawo zomaliza ziyenera kuikidwa mozama momwe zingathere kuti pakhale zoletsa zambiri momwe zingathere komanso kuti malo akunja azitha kukana kutentha kwa dzuwa kwa nthawi yayitali.
Makina amasiyana pakati pa opanga. Nthawi zina, mimba ndi insulator zimagwiritsidwa ntchito mosiyana, ndiye utoto ndi wosanjikiza womaliza, koma mfundo ya chitetezo imakhala yofanana. Akatswiri aukadaulo akadali kutsutsanabe mpaka pano pankhani yaukadaulo yomwe ili yabwinoko, koma sitithana nazo pano.
Kodi UV inhibitors amateteza bwanji kumaliza?
Chitetezo cha UV nthawi zambiri chimakhala chapamwamba, komanso chocheperako pamaziko. Varnisher amadziwa kuti malaya apamwamba ali ndi mtundu wa apurikoti - ndiwo mtundu wa zoletsa zomwe zimateteza maziko ndi utoto kuti zisawonongeke. Chosanjikizacho chikawuma, chimaonekera kwambiri.
Ukadaulo womwe umagwiritsidwa ntchito mu kampani ya Savo Kusić umaphatikizapo zokutira zomwe zimapangidwa kutengera mtundu wa inorganic. Amalimbana kwambiri ndi kuwala kwa ultraviolet kuposa inki yachilengedwe yomwe imagwiritsidwa ntchito podetsa mipando yamkati.
Kodi mitundu yamatabwa ingasakanizidwe?
Ngati mtundu, i.e. banga lopangidwa kuti ligwiritsidwe ntchito mkati, lidawonjezedwa ku varnish yomaliza kuti ligwiritsidwe ntchito kunja, lingagwire ntchito kwakanthawi, mpaka ma UV inhibitors atha. Ndiye kuwala kwa dzuŵa kumagwira ntchito pa pigment ya organic chiyambi ndi kuwononga mtunduwo. Zomangira ziwiri mu organic pigment zimasweka ndi zochita za cheza cha dzuwa; mwachitsanzo, mahogany amakhala osalimba pakapita nthawi.
Zoletsa zambiri zimapezeka m’magawo omaliza chifukwa ndizomwe zimayambira padzuwa, koma palinso zina pamaziko, mwachitsanzo, choyamba. Choncho, mimba iyenera kugwiritsidwa ntchito kunja. Ayenera kukhala ndi ma pigment of inorganic, chifukwa kuwala kwa dzuwa kumachepa kwambiri ndipo sikungawole.
Mtundu umodzi wa inorganic pigments ndi iron oxides, i.e. dzimbiri. Opanga amapanga dzimbiri ndi njira zamakono zamakono komanso kutentha kwina ndipo motero amapeza mtundu wakuda, ocher, mithunzi yosiyana yofiira ndi yofanana. Makhalidwe a ma pigment omwe amapezedwa ndi njirayi ndikuti amakhalabe okhazikika pakapita nthawi.
Mmodzi mwa mitunduyi ndi yomwe imatchedwa Bayer feroxy. Ndi gulu lapadera la zinthu zomwe zimagwiritsidwa ntchito popanga utoto bwino, konkire, zomangamanga ndi matabwa.
Ngati kasitomala akufuna mtundu womwe suli mu RAL system, koma uyenera kulumikizidwa ndi mipando yomwe ilipo kapena facade, mthunzi uyenera “kupotozedwa” pamanja. Varnishers makamaka sakonda ntchitoyi, chifukwa imafuna mithunzi yambiri yamadzi, mafuta ndi nitro. Utoto womwe umagwiritsidwa ntchito panja nthawi zonse uyenera kusakanizidwa ndi vanishi kuti ugwiritse ntchito kunja, chifukwa ndi okhawo omwe ali ndi UV inhibitors omwe atchulidwa.
Pali madontho achilengedwe chonse, koma omwe amapangidwa kuti azigwiritsidwa ntchito mkati siwogwiritsa ntchito kunja. Akagwiritsidwa ntchito kunja, mtunduwo udzazimiririka pakatha chaka.
Mazenera akamathandizidwa ndi ma varnish opangidwa ndi madzi, UV inhibitors amapezeka pamaziko, koma makamaka m’magawo omaliza chifukwa ndiwo chitetezo choyamba ku dzuwa. Ndicho chifukwa chake mzere womaliza wa varnish uli ndi “zotsekemera” zamtundu, zomwe zimatha panthawi yowuma ndipo zimakhala zoonekeratu, kotero kuti mtundu wochokera kumtunda woyamba ukhoza kuwonedwa kudzeramo.
Kodi malo a zenera amakhudza bwanji kulimba kwa zokutira?
Kutayika kwa inhibitor kumawonekera kwambiri pamawindo a mbali ya nyumba yomwe imakhala yotentha kwambiri ndi dzuwa. Pamawindo a kumpoto, kumene dzuŵa silifika, kapena pazitseko zapakhomo pomwe cheza sichigwa, zotsatira zake sizidzawoneka mofanana.
Kodi mazenera amatabwa ayenera kupentanso liti?
Ngati mazenera ali kumwera, komwe kuli dzuwa lambiri, patatha zaka zingati ayenera kupentanso? Palibe lamulo limodzi. Zimatengera mbali yomwe zenera lilili komanso kuchuluka kwa ma radiation a UV omwe amafikapo.
Ngati varnish ndi yabwino ndipo ndondomeko ikutsatiridwa, opanga nthawi zambiri amapereka chitsimikizo cha zaka zisanu pa varnish. Pali opanga omwe amapereka chitsimikizo kwa zaka khumi, koma ndi chikhalidwe chakuti kasitomala amagwiritsira ntchito makina atsopano a varnish pawindo kamodzi kapena kawiri pachaka.
Chifukwa chiyani kupanga mazenera ndi varnish ndikofunikira?
Mlingo wa kuwonongeka kwa mazenera pazaka zambiri kumadalira kwambiri zomangamanga. Ndikofunika kuti mazenera azikhala otsetsereka kuti madzi asapitirirepo.
Ngati malaya omaliza a varnish osagwiritsidwa ntchito bwino kapena ma vanishi ali ndi UV inhibitor pang’ono, zoletsa zimatha mwachangu chifukwa cha UV ndipo ming’alu idzawonekera pa varnish. Ngati kuumba kwapansi kwa zenera kulibe ngodya yokwanira, ndipo madzi onse otsika zenera adutsa pamwamba pake, pentiyo imagwera pamalowo poyamba.
Mwachidule
Dzuwa limagwira ntchito pa vanishi, zoletsa za UV zimatha ndipo varnish imasweka pomwe pamwamba pacheperachepera. Ngati mamangidwe a zenera ndi oipa, madzi amasungidwa, kulowa mu ming’alu ndipo matabwa amasiyidwa opanda chitetezo.
Ndicho chifukwa chake ndikofunikira kwambiri kuti zigawo zomaliza ziziyikidwa kangapo komanso kuti gawo lililonse likhale lokhuthala momwe mungathere. Izi zikhoza kuchitika kokha ndi ma varnish ophunzitsidwa bwino, chifukwa ma varnish ali mumadzimadzi ndipo amatuluka kapena amachoka pamwamba. Chovalacho amapaka vanishi pamalire opyapyala pakati pa wosanjikiza wokwanira ndikuterera.
Chilichonse chiyenera kulemekezedwa, koma mosasamala kanthu za mfundo zonse zomwe zikuchitika, chinthu chaumunthu chimakhalabe, chomwe sichimatsimikizira ngati chikukwaniritsidwa, komanso momwe chikukwaniritsidwira bwino.
Ngati chitetezo chokhazikika cha malo olumikizira akunja ndichofunika kwa inu, yang’anani mazenera amatabwa, zitseko zakumaso kapena mutitumizireni mawu ndi malangizo.