Kev rwb thaiv tsev rau lub ru tsev yuav tsum tau ua kom muaj kev sov siab thiab nyiam nyob sab hauv tsev. Nws tivthaiv lub tsev cov khoom siv thiab ib txheej huab cua sov ua kom sov, ua ib qho chaw noo thiab ua pa uas tshwm hauv qhov chaw hauv lub peev xwm los mus nyob. Tag nrho cov rwb thaiv tsev thiab ntoo uas siv los txhim kho lub ru tsev, muaj cov cuab yeej ntawm nqus dej noo, uas ua rau kev poob thiab kev puas tsuaj ntawm cov khoom.
Cov vapor barrier yog qhov zoo tshaj plaws rau lub ru tsev?
Tam sim no, cov ntawv ci ntawv yog siv los ua ib qho teeb meem vapor, uas muaj qhov sib txuam ua yeeb yam heev. Lawv yog cov ywj pheej, tiv taus kev puas tsuaj thiab yooj yim rau nruab.
Txij thaum uas kho cov dej hiav txwv vapor barrier yog tsis nraus, tswj kev ncaj ncees, nws yog qhov zoo uas yuav tau xaiv nws los tiv thaiv lub ru tsev ntawm cov dej noo thiab cov khoom cua tshuab ruptures.
Films tuaj nyob rau hauv ob hom - polyethylene thiab polypropylene.
Lub polyethylene version tsis yog muaj zog heev, yog li lawv tau txhawb nqa nrog ib tug ntxiv mesh los yog daim ntaub. Lawv yog qhov kev xav los yog tsis muab cais tawm.
Rau chav nrog high humidity ( saunas , da dej, dej ) cov yeeb yaj duab siv, tiav rau ib sab nrog aluminium ntawv ci. Lawv muaj cov rwb thaiv tsev siab heev. Cov ntawv nyiaj fits hauv chav tsev nyob. Nws tsis tsuas yog tiv thaiv los ntawm kev tsim cov condensate, tab sis kuj qhia thermal hluav taws xob, uas yog, lub tshav kub yuav khaws cia kom ntau li ntau tau hauv chav.
Polypropylene films yog ib qho khoom siv uas muaj zog nrog cov hluavtaws ntawm ob sab. Lawv tiv taus lub hnub ci tawg, muaj zog heev.
Feem ntau, cov yeeb yaj duab polypropylene muaj antioxidant txheej uas khaws cov condensate uas ua sai sai dries. Xws li cov ntaub ntawv yuav tsum muab tso rau qhov ntxhib qhov chaw hauv chav.
Qhov tshwj xeeb yuav tsum tau ua los ntawm cov piston permeable diffuse hnub nrog ntau tus me me qhov. Lawv muaj peev xwm xa cov dej ua pa, zais nws thiab tom qab ntawd nws maj mam qhuav. Nrog rau cov khoom kom zoo, cov membrane yog muab nrog lub cev ntawm qhov qub qhov tso cua thiab tso cai rau lub ru tsev "ua pa". Lawv muab faib ua hom - zoo tib yam thiab muaj nuj nqis. Volumetric membrane sab hauv muaj interlayer uas tshem tau ya raws ntawm lub tshuab rhaub thiab ua haujlwm ua haujlwm ntawm cov tshuaj tua kabmob (antioxidant).
Feem ntau diffuse lub hnub tso rau sab nraum lub rwb thaiv tsev, uas yog, los ntawm qhov txias ntawm lub ru tsev. Noo noo los ntawm sab nraud, yog tias nws tau txais mus rau hauv zaj duab xis, nws evaporates. Thaum txhim kho lub membrane, nyeem cov kev qhia thiab muab tso rau sab nraud.
Siv cov duab ntawm ob sab ntawm lub rwb thaiv tsev yuav ua rau nws ntub thiab tso cai rau cov khoom ua haujlwm nrog qhov siab tshaj plaws.
Nta ntawm cov rwb thaiv tsev
Feem ntau, cov yeeb yaj duab no muaj nyob hauv daim ntawv yob, qhov no ua rau lawv tso. Lawv lapped, cov seams raug kaw nrog nplaum kab xev. Nws ua kom muaj kev nyab xeeb tshaj plaws ntawm txheej.
Zaj yeeb yaj kiab yog ntsia los yog horizontally. Nws yog tsau rau qhov chaw ntawm lub ru tsev ntawm lub ru tsev tshaj lub rhaub nrog kev pab los ntawm cov pob zeb los yog cov ntaub ntawv nrog cov kaus mom dav. Cov khoom yuav tsum yog cov ntaub pua plag khoom, tsis muaj kev tshem tawm thiab ntawm qhov yuav tsum tsis txhob nyob twj ywm.
Tom qab kev txhim kho cov yeeb yaj duab, cov nplaum raug tsau rau saum kom lub puab tsaig ntawm lub qab nthab tsis nyob nrog lawv. Qhov no tau ua kom cua nkag mus rau hauv qhov chaw khib nyiab.
Tshwj xeeb yog kom zoo zoo nws yog tsim nyog rau cov kua nplaum pob txha ntawm cov kav dej, nruj nias muab khij lawv nrog nplaum kab xev.
Tam sim no nws yog qhov tseeb uas yuav tsum muaj vapor barrier rau lub ru tsev. Vim li ntawm kev kho ntawm lub ru tsev, kev tiv thaiv ntawm rwb thaiv tsev yuav txhim kho thiab lub neej ntawm lub rhaub yuav tsum ntev heev. Yuav muaj kev txaus siab rau hauv vaj tse.