Kev thov cov txheej txheem dej tsis zoo yog ib kauj ruam tseem ceeb hauv kev kho vaj tsev. Kev thov kom raug tuaj yeem tiv thaiv cov teeb meem xws li dej seepage thiab ya raws ntawm phab ntsa. Nov yog qee cov lus qhia:
1. Ua ntej thov, xyuas kom cov phab ntsa huv si thiab tsis muaj cov khib nyiab lossis cov txheej txheej qub. Yog hais tias muaj teeb meem dej los yog dej seepage tseem ceeb, cov no yuav tsum tau hais ua ntej.
2. Xaiv lub siab- txheej txheej dej tsis zoo, xaiv cov khoom tsim nyog raws li koj qhov xwm txheej tshwj xeeb thiab ua raws li cov chaw tsim khoom siv cov lus qhia.
3. Thaum lub sij hawm thov, xyuas kom meej cov proportions raug tov raws li cov xim cov lus qhia kom paub tseeb tias txawm daim ntawv thov.
4. Siv cov txhuam hniav los yog cov menyuam yaus siv cov txheej txheem kom tsis txhob muaj qhov chaw ploj lossis daim ntawv thov tsis sib xws.
5. Tom qab daim ntawv thov, xyuas kom cov cheeb tsam tiv thaiv los ntawm lwm yam.
Nyob rau hauv luv luv, waterproof coatings yuav tsum tau ceev faj thiab meej daim ntawv thov, ua raws li cov lus qhia ntawm cov khoom, thiab xyuas kom meej ib tug siab - zoo tag kom ua tau raws li qhov xav tau ntawm waterproofing nyhuv. Kuv vam tias cov lus qhia saum toj no yuav pab tau.
