Yog tias PVC txoj siv thauj khoom yuav tsum tau ntim ntug, nws feem ntau xav tau 2 daim ntaub thiab 2 kua nplaum lossis ntau dua. Ua ntej, cais daim ntaub los ntawm cov nplaim roj hmab, thiab tom qab ntawd qhwv cov npoo nrog cov nplaim roj hmab saum npoo av.Ua cov txheej txheem kub tau siv, thiab sab ib sab ntawm ntug thiab txoj siv thauj khoom tau sib koom ua ke. Nws tsis yooj yim kom poob.
Ntug sealing PVC cov menyuam siv feem ntau siv hauv kev lag luam hluav taws xob. Thaum cov khoom siv hluav taws xob tsim khoom, lawv xav tau ib puag ncig tsis muaj hmoov av. Thaum siv txoj siv txoj siv thauj khoom zoo ib yam, yuav muaj kev sib txhuam ntawm ob sab ntawm txoj siv thauj khoom. PVC txoj siv thauj khoom yam tsis muaj kev sib khi yuav ua rau muaj hmoov av ntau, yog li yuav tsum tau kaw qhov ntug.
