Txhua tus tswv tsev xav nws lub tsev los saib zoo nkauj thiab zoo nkauj. Thiab rau qhov no nws tsis txaus rau plaster nws xwb. Thiab ntawm no, ntau yam xim sib tov, hu ua cov xim tsev rau cov plastering rau sab nraum zoov tej hauj lwm, tuaj yeem pab tus cawm seej.
Cov xim no khaws thiab ua kom cov khoom zoo ntawm lub plaster. Vim lub fact tias cov xim tsis npog cov pores nyob rau hauv plaster txheej, nws tsis tiv thaiv dej tuav. Tsis tas li ntawd, cov xim xim tiv thaiv cov phab ntsa los ntawm kev puas tsuaj ntawm nag lossis daus, pwm thiab fungus. Muaj ntau cov xim thaij nyob hauv lawv cov kab sau ntau yam, uas tiv thaiv qhov kub tawm ntawm xws li txheej hauv lub hnub. Cov xim zoo nkauj sab nrauv yuav tsis tuaj yeem txais qias neeg thiab plam tawm.
Tag nrho cov xim ntawm cov façade raug faib ua dej-soluble thiab organo-soluble. Dej-soluble, nyob rau hauv lem, yog muab faib ua dej-emulsion (latex) thiab pob zeb hauv av. Nyob ntawm cov binder, cov dej-dispersion paints yog cov yas, acrylic thiab silicone. Ib lub pob zeb yog hais txog cement, silicate thiab txiv qaub xim, uas qhov kev sib tsoo ntawm tus neeg saib xyuas yog portland cement, kua iav thiab kua txiv qaub, raws li.
Yuav ua li cas xaiv ib facade xim rau plaster?
Los tsim ib qho zoo nkauj thiab ruaj khov façade, nws yog ib qho tseem ceeb uas yuav tau xaiv txoj xim xim. Thaum xaiv xim xim txheej rau lub façade, koj yuav tsum xyuam xim rau lub khw: thov kom rov tawm tswv yim ntawm ib lub chaw tsim khoom thiab xaiv qhov tseem ceeb, hauv koj lub tswv yim. Them rau hnub kawg ntawm cov xim muaj xim: tsis txhob yuav khoom siv sijhawm, nws tuaj yeem cuam tshuam rau qhov kawg.
Façade paint muaj ob peb yam yooj yim: ib cov xim uas discolours cov xim ntawm cov xim, ntau yam kev sib tsoo bases, ua tsaug uas cov xim xim khov rau khov rau xim pleev xim. Tsis tas li ntawd, cov lus sau ntawm cov xim muaj ntau cov khoom xyaw ntau ntxiv: cov yas lim, cov cav ziab kom qhuav, Vim li no, qhov zoo ntawm cov xim muaj xim nyob ntawm nws cov khoom muaj pes tsawg leeg.
Thaum yuav cov xim siv façade, koj yuav tsum ua tib zoo nyeem cov lus qhia ntawm lub ntim. Qhov zoo tshaj plaws facade xim rau plaster yog muaj zog, hnav-resistant thiab txhim khu kev qha hauv kev lag luam. Cov khoom siv no yuav tsum muaj cov khoom ntom-ua pov thawj thiab hluav taws-resistant.
Kev xaiv cov xim pleev xim rau façade ua haujlwm hauv plaster yog khoom siv rau thaum lub caij ntuj no tsis tshua muaj kub nrog cua, daus los nag, thiab lub caij ntuj sov - lub caij nyoog huab cua sov nrog cua uas nqa xuab zeb thiab hmoov av. Hauv qhov no, lub khw yuav tsum qhia txog lub ntim uas cov xim zoo li no tsis muaj huab cua.
Cov txheej txheem ntawm cov xim yuav tsum yog qhov ntxeem tau rau lub plaster phab ntsa ua pa. Thiab nws nyob ntawm lub hom ntawm phau ntawv uas yog siv los ua xim. Tsis tas li ntawd, cov xim ntawm lub façade yuav tsum muaj qhov sib txawv ntawm daim tawv nqaij, uas yog, nws zoo kawg "lo" rau plaster, tsis muaj kev o thiab tawg ntawm lub txheej.
Ib qho tseem ceeb qhia nyob rau hauv kev xaiv ntawm façade xim yog theem ntawm nws cov kev ua kom pom tseeb: qhov siab dua no qhov Performance index, qhov ntau lub zog rau tshav ntuj. Npog cov plaster nrog cov xim muaj hlau yuav pab tau ntev los khaws cia kom zoo nkauj thiab zoo huv si ntawm lub façade ntawm lub tsev.
| | | |
| | | |
| | | |
