Kodi mukudziwa kusiyana pakati pa skim layer ndi wall putty?

Zovala zonse za skim ndi ma putty a khoma amatha kukonza zolakwika ndi zolakwika. Koma, m'mawu osavuta, ma skim malaya ndi a zolakwika zoonekeratu monga zisa ndi corrugation pa konkire yowonekera. Itha kugwiritsidwanso ntchito kupatsa makoma mawonekedwe osalala ngati konkriti yowonekera ili yovuta kapena yosagwirizana. Wall putty ndi yoyenera kwa zolakwika zazing'ono monga ming'alu ya tsitsi ndi kusagwirizana pang'ono pamakoma opangidwa ndi utoto kapena utoto.

Ntchito zawo ndizosiyananso. Zovala za skimi zimayikidwa pa konkriti yopanda kanthu, nthawi zambiri pamalo akulu monga makoma athunthu, kukonza mawonekedwe. Wall putty amapaka pamalo opangidwa kale kapena opaka utoto ndipo amagwiritsidwa ntchito kwambiri pazigawo zing'onozing'ono, monga kukonza zolakwika zazing'ono monga ming'alu yaying'ono.

Mwachidziwitso, kusiyana kwina pakati pa skim coat ndi wall putty ndi pamene mumagwiritsa ntchito pojambula - makamaka, ngati mukugwiritsa ntchito zonse pulojekiti, malaya a skim amabwera poyamba pamaso pa putty. Chifukwa malaya a skim amagwiritsidwa ntchito pa konkire yopanda kanthu, imagwiritsidwa ntchito pokonzekera pamwamba (kapena isanayambe kujambula). Kukonzekera bwino pamwamba kumathandiza kuonetsetsa kuti makoma ali abwino kwambiri asanapente.

Wall putty, kumbali ina, ndi gawo la dongosolo la utoto lokha. Khoma latsopanoli litapakidwa utoto ndipo choyambira chagwiritsidwa ntchito, sitepe yotsatira ndi putty. Amagwiritsidwa ntchito poyang'ana zolakwika zilizonse zapamtunda. Kenaka, poyambira malo amaikidwa, ndipo pamapeto pake makoma amakhala okonzeka kuvala malaya apamwamba.

Monga chophatikizira chofunikira kwambiri, HPMC (Hydroxypropyl Ethyl Cellulose) imagwiritsidwa ntchito kwambiri pochotsa utoto ndi putty pakhoma. Ntchito zazikuluzikulu za HPMC mu ma topcoat ndi ma putties a khoma ndikukhuthala komanso kusunga madzi, kupereka zinthu moyenera kuphatikiza nthawi yotseguka, kukana kuterera, kumamatira, kukana kwamphamvu komanso mphamvu yakumeta ubweya.

HPMC ndiyodziwika pakugwiritsa ntchito pakhoma, timaperekanso magiredi osiyanasiyana ogwiritsira ntchito makhoti apamwamba, ndi zina zambiri. Kwa opanga utoto womaliza ndi opanga ma putty pakhoma, nthawi zonse timayembekezera kuyankhula nanu zambiri.