Cov ntaub ntawv tso dej yog cov khoom siv nrog cov khoom siv dej tsis muaj zog uas tiv thaiv kev nkag mus rau kev nkag mus lossis cov khoom siv los ntawm noo noo kev puas tsuaj. Cov ntaub ntawv waterproofing xws li:
1. Waterproof txheej: Qhov no yog txheej txheej rau cov chaw los tsim cov thaiv kom muaj kev nkag siab. Nws tuaj yeem siv rau ntau qhov chaw, xws li phab ntsa, ru tsev, thiab cov plag tsev.
2. Waterproof Membrane: qhov no yog cov khoom siv rau cov chaw tsim khoom los tsim cov txheej waterproof zoo. Piv txwv li cov polyethylene, polypropylene, thiab polyvinyl chloride.
3. Waterproof Foob: Qhov no yog cov khoom siv los sau qhov khoob thiab pob qij txha hauv cov tuam tsev thiab cov tuam tsev ua kom haum, tiv thaiv kev ua kom muaj kev chim siab.
4. Qhov no tsis muaj dej nplaum: Qhov no yog cov khoom siv dej tsis zoo uas ua ke cov khoom sib txawv ua ke thiab ua kom muaj kev tiv thaiv noo noo.
5. Waterproof txheej: Qhov no yog txheej ua tiav los ntawm kev txhuam hniav lossis tshuaj tsuag uas muab cov khoom muaj dej zoo tshaj plaws. Nws tuaj yeem siv rau cov qauv xws li hauv qab no, txuas hniav, thiab cov tunnels.
Cov ntsiab lus saum toj no yog cov ntaub ntawv waterproofing. Lawv ua lub luag haujlwm tseem ceeb hauv kev tsim kho cov phiaj xwm, kev kho vaj tsev nyob, txuas ntxiv rau lawv lub neej pabcuam, thiab txhim kho lawv qhov zoo. Los ntawm kev xaiv cov khoom siv lim dej tsim nyog thiab siv cov qauv kev tsim kho kev tsim kho, peb tuaj yeem tiv thaiv kev ua kom muaj kev chim thiab ua kom muaj lub tsev kom qhuav thiab muaj kev nyab xeeb. Cia peb txhua tus tau them sai sai rau cov dej num waterproofing thiab tsim kom muaj kev nyob zoo rau cov chaw nyob ua ke. Thov kom peb txhua tus nyiam kom muaj kev huv si, xis nyob, thiab nyab xeeb chaw nyob!
