Nco ntsoov, ntau tus xav txog cov ntaub ntawv zoo li cas siv rau hauv chav dej, los yog nyob hauv qab daus thiab hauv qab daus ntawm lub tsev thaj chaw, qhov uas cov av qis dua li niaj zaus.
Qhov feem ntau cov cuab yeej hauv kev daws cov teeb meem xws li yog ib qho tshwj xeeb plaster rau damp chav, uas possesses tsis tsuas zoo heev noo noo, tab sis kuj ua tau lub hom phiaj zoo nkauj. Yog li ntawd, nyob rau hauv no tsab xov xwm peb yuav tham txog cov hom thiab cov khoom ntawm xws li ib cov khoom tiav.
Plaster rau cov chav ntub dej
Yav dhau los nws ntseeg hais tias yuav tsum ua kom tiav chav dej thiab lwm chav hauv qhov chaw noo noo, koj tsuas xav siv cov mixtures raws li cov cement xwb. Kev siv cov cement plaster kom tiav cov chav ntub yog ib lub sijhawm zoo, thiab ntawm phab ntsa tiav koj tuaj yeem ua rau cov vuas xwb, txwv tsis pub tom qab siv cov coatings los pleev xim rau, qhov chaw yuav tawg.
Ua tsaug rau nws daim ntawv yooj yooj yim thiab ceev, zoo adhesion, plaster rau cov chaw ntub tau ua ib qho zoo tshaj plaws rau cov xis mas. Nws muaj peev xwm nqus tau tag nrho cov dej noo tshaj, thiab thaum twg ya raws theem qis qis dua, nws rov qab rov qab, uas pab txhawb thiab tswj cov microclimate. Txawm li cas los, nws yuav tsum tau nyob rau hauv lub hlwb nco ntsoov hais tias gypsum mixtures tsis haum rau chav tsev nyob qhov twg cov av qis tshaj 60%, txwv tsis pub tag nrho tag nrho yuav tsuas poob tawm.
Kho cov phab ntsa hauv chav dej, raws li txoj cai, zoo nkauj plaster siv rau cov chav ntub dej. Yawm suab thiab kev sib hwm, nws siv Venetian plaster (kua marble), nws tuaj yeem ntxhua nrog ntau yam detergents, tsis muaj kev ntshai ntawm kev puas tsuaj rau saum npoo, thaum lub qhov dej zoo li ntawm koj chav dej yuav tsum lav zoo nkaus li.