Cracks nyob rau sab nrauv facade ntawm lub tsev yog, feem ntau, tag nrho ib txwm thiab muaj hnub nyoog. Tom qab tag nrho, lub plaster yog raug rau cov khoom txhua hnub. Tau kawg nws hnav tawm. Xws li ib qho tawg hauv plaster yuav tsum raug kaw dua kom tsis txhob muaj kev puas tsuaj rau lub tsev tsim. Txawm li cas los xij, yog tias qhov tawg mus tob dua, nws tuaj yeem yog qhov qhia tias muaj teeb meem loj dua nrog lub tsev.
Preliminary exam
Ua ntej koj ua tus tswv tsev pib kho cov kab nrib pleb hauv plaster, koj yuav ua tau zoo ua ntej txiav txim siab seb hom tawg yog dab tsi. Yog li kev txheeb xyuas kev puas tsuaj yuav tsum tau ua. Yeej, ob hom kab nrib pleb tuaj yeem paub qhov txawv. Ntawm ib sab tes muaj cov kab nrib pleb tshwm sim los ntawm plaster. Feem ntau lawv yog superficial thiab tsuas yog cuam tshuam rau plaster nws tus kheej.
Kev kho yog qhov yooj yim ntawm no thiab tsis tas yuav muaj kev txawj tshwj xeeb lossis kev ua haujlwm zoo. Txawm li cas los xij, qhov xwm txheej txawv nrog qhov hu ua dynamic tawg. Lawv mus tob heev thiab feem ntau cuam tshuam tsis yog lub plaster ib leeg, tab sis kuj yog cov masonry hauv qab. Ib qho kev tawg yooj yim feem ntau yog qhov qhia meej txog qhov tsis xws hauv lub tsev - thiab cov kev tsis xws li no tuaj yeem ua rau txaus ntshai heev.
Note:
A dynamic crack yuav tsum tau tshuaj xyuas kom meej ntxiv los ntawm tus kws tsim nyog tsim nyog. Cov kws tshaj lij yuav tsum tau kho qhov ua rau tawg.
Ntawm cov kab nrib pleb
Nws yuav tsum tau paub meej los ntawm tam sim no tias nws yog ib qho tseem ceeb los txheeb xyuas seb hom kev tawg yog pom nyob rau sab nrauv plaster. Luckily, muaj ob peb yam tseem ceeb uas yuav pab tau lawv paub qhov txawv.
Plaster tawg:
- tsuas yog superficial, tsis tob
- tsuas yog cov plaster cuam tshuam
- txoj kev masonry tsis cuam tshuam
- feem ntau tshwm sim nyob rau thaj tsam loj raws li kev sib xyaw ua ke ntawm cov kab nrib pleb
- qee zaum nyuaj saib
Dynamic Rift
- ntxhi, sib sib zog nqus
- nco mus txog rau lub masonry
- Plaster khoom tawg yooj yim
- feem ntau pom ze ntawm phab ntsa tawg
Tip:
Yog tias koj tsis paub meej tias nws yog qhov tawg, koj yuav tsum sab laj nrog tus kws tshaj lij lub tsev. Txawm hais tias nws raug nqi nyiaj, qhov kev tshawb pom ntxov ntawm qhov tawg dynamic tseem pab txuag nqi.
Repair plaster tawg
Kev kho cov kab nrib pleb tsis muaj teeb meem loj. Nyob ntawm seb hom thiab qhov loj ntawm qhov tawg lossis tawg, ob txoj kev siv tau. Txoj Kev 1 yog los npog thaj tsam loj ntawm qhov tawg. Muaj cov ntaub ntawv tshwj xeeb rau qhov no uas muaj nyob hauv txhua lub khw muag khoom kho vajtse. Qhov no variant yog tshwj xeeb tshaj yog haum rau tshwj xeeb zoo plaster kab nrib pleb, uas feem ntau yuav pom nyob rau hauv ib tug network ntawm cov kab nrib pleb los yog ib tug network ntawm cov kab nrib pleb. Qhov thib ob txoj kev, txawm li cas los xij, yog siv rau me ntsis loj, los yog ntau dua precisely: wider, tawg nyob rau hauv lub sab nrauv plaster. Xws li ib tug tawg yog sau. Ntawm no ib yam nkaus thiab, cov khoom ntim tsim nyog tuaj yeem pom tau yooj yim hauv khw kho vajtse. Txij li ob txoj hauv kev tsis cuam tshuam rau lub tsev tsim nws tus kheej, kev ua haujlwm tau yooj yim ua los ntawm cov neeg ua haujlwm.
Cover crack
Npog ib qho tawg lossis ib qho kev sib txuas ntawm cov kab nrib pleb txhais tau tias tsis muaj dab tsi ntau dua li siv cov txheej txheem tshiab ntawm plaster rau saum lub qub. Qhov no tuaj yeem ua tiav ib nrab lossis hla lub rooj tsavxwm, piv txwv li cuam tshuam rau tag nrho cov phab ntsa. Ua li no, koj tuaj yeem tau txais qhov hu ua dov plaster nrog cov nplej loj ntawm 0.5 hli lossis cov pob zeb hauv av nrog cov nplej loj ntawm 2 hli los ntawm cov khw muag khoom kho vajtse. Thaum cov pob zeb hauv av plaster yuav tsum tau ua ntej sib xyaw nrog dej raws li cov chaw tsim khoom cov lus qhia, cov nplaum plaster tuaj yeem siv tam sim ntawd.
Mineral plaster yog siv rau thaj tsam loj nrog lub npe hu ua plastering trowel thiab ces ua tib zoo sib kis. Rolling plaster yog siv los ntawm cov txheej txheem xim rau cov menyuam. Nws yog ib qho tseem ceeb kom ua tiav lub zog yam tsawg kawg nkaus. 15 hli yog pom zoo. Tom qab ziab rau ob peb hnub, qhov chaw tshiab plastered thaum kawg yuav tsum tau pleev xim.
Tip:
Txawm hais tias nws yuav siv sij hawm ntau heev, plastering phab ntsa ua rau kev txiav txim siab. Tom qab ntawd koj tsis tsuas yog nyob rau sab nyab xeeb xwb, tab sis nws kuj yooj yim dua nrog cov xim zoo nkauj.
Filling cracks
Yog tias koj xav tau lossis xav tau sau cov kab nrib pleb, koj xav tau cov khoom ntim tsim nyog. Qhov no yog muaj raws li cov khoom qhuav thiab yuav tsum tau tov nrog dej raws li cov neeg tsim khoom cov lus qhia. Qhov no tsim ib lub mortar-zoo li loj, uas yog ces poured ncaj qha mus rau hauv lub tawg nrog ib tug spatula kom txog thaum nws puv tag. Tom qab nws qhuav, qhov chaw nyob rau hauv nqe lus nug yog ces generously plastered dua nrog cov sib tov. Lub plaster yuav tsum tau siv tshaj qhov dav ntawm qhov tawg.
Basic Tips
Txawm hais tias koj xav npog lossis sau cov kab nrib pleb, nws raug nquahu kom ntxuav qhov chaw kom huv si ua ntej. Qhov no yog qhov zoo tshaj plaws ua nrog ntub dej, txhuam txhuam. Nws tseem yog ib qho tseem ceeb kom tsuas yog ua haujlwm thaum huab cua zoo thiab qhuav. Nws kuj yuav tsum tau xyuas kom meej tias nws tsis khov sab nraud. Txij li thaum cov kab nrib pleb yog feem ntau nyob rau hauv qhov chaw uas nyuaj mus txog, ib tug ntaiv los yog scaffolding feem ntau yuav tsum tau. Rau kev nyab xeeb, scaffolding yog ib txwm nyiam. Nws kuj tso cai rau kev ywj pheej ntau dua. Me me scaffolding tuaj yeem xauj los ntawm txhua lub khw muag khoom kho vajtse rau tus nqi.
