Vim li cas PVC dej yeeb nkab sib koom ua ke? Yog tias cov kav dej hauv chav dej siv cov kav dej PVC, koj tuaj yeem yuav cov kav dej PVC los txuas rau koj tus kheej thaum muaj dej ntws. Tsis tas li ntawd, koj tuaj yeem yuav daim kab xev tsis muaj dej los qhwv nws ncig los kho cov kav dej phwj tuaj, thiab tom qab ntawd smear nws nrog mortar waterproofing agent thiab cement. Cov laj thawj tseem ceeb ntawm cov dej xau ntawm PVC cov yeeb nkab txuas yog raws li hauv qab no. Cov kua nplaum tsis sib xws, los yog qhov chaw tsis huv, lossis dej dhau los sai sai tom qab nws daig, vim tias cov kua nplaum kho tau maj mam thaum lub caij ntuj no, nws yuav ua rau cov dej ntws tawm. Yog tias lub xov tooj ruaj khov tsis zoo, koj tuaj yeem tshem tawm nws thiab tom qab ntawd kov cov kua nplaum ntxiv, lossis kov cov kua nplaum ntawm lub qhov ncauj kom pom tias nws tuaj yeem thaiv tau. Cov dej xau ntawm cov yeeb nkab dej sib txuas ntawm lub tshuab ntxhua khaub ncaws feem ntau muaj feem cuam tshuam nrog kev teeb tsa ntawm cov yeeb nkab dej hauv lub tshuab ntxhua khaub ncaws. Yog tias koj tsis xyuam xim rau qee cov ntsiab lus me me thaum txhim kho cov dej nkag ntawm lub tshuab ntxhua khaub ncaws, cov dej nkag ntawm lub tshuab ntxhua khaub ncaws yuav xau rau yav tom ntej siv. Qhov no kuj yog ib qho laj thawj.
