Insulating lub tsev yog ib txoj hauv kev zoo tshaj plaws los txhim kho nws lub zog ua haujlwm thiab kev nplij siab tag nrho. Thaum peb tham txog cov ntaub ntawv rwb thaiv tsev, PU rwb thaiv tsev boards nquag tuaj hauv kev sib tham. Tab sis dab tsi yog PU rwb thaiv tsev board, thiab vim li cas nws thiaj li tau txais kev muaj koob npe nrov hauv ntiaj teb kev tsim kho? Raws li ib tus neeg uas tau kawm txog kev rwb thaiv tsev ntau, kuv yuav rhuav tshem dab tsi ua rau PU boards tshwj xeeb, lawv siv, thiab vim li cas lawv tuaj yeem yog qhov kev xaiv zoo rau koj qhov project tom ntej.
PU sawv cev rau Polyurethane, muaj ntau yam thiab ruaj khov polymer. Nyob rau hauv cov ntsiab lus ntawm rwb thaiv tsev, PU rwb thaiv tsev boards yog tsim los ntawm nruj polyurethane ua npuas ncauj, ib yam khoom dav paub txog nws zoo heev thermal rwb thaiv tsev zog. Cov txheej txheem ntawm kev tsim polyurethane ua npuas ncauj koom nrog cov tshuaj tiv thaiv ntawm polyols thiab diisocyanates, ua rau cov khoom siv uas yog ob qho tib si hnyav thiab zoo heev ntawm kev tiv thaiv tshav kub.
Ib qho ntawm cov yam ntxwv ntawm PU rwb thaiv tsev boards yog lawv cov R-tus nqi siab, uas yog ib qho kev ntsuas ntawm thermal resistance. Qhov siab dua R-tus nqi, cov khoom zoo dua yog tiv thaiv kev hloov hluav taws xob. PU rwb thaiv tsev muaj ib qho zoo tshaj R-tus nqi ntawm cov khoom siv rwb thaiv tsev, uas txhais tau hais tias nws muab cov rwb thaiv tsev zoo dua thaum siv cov txheej nyias nyias. Qhov kev ua tau zoo hauv kev rwb thaiv tsev no yog qhov laj thawj tseem ceeb vim li cas PU boards nrov hauv ob qho tib si hauv tsev thiab kev lag luam kev tsim kho.
Raws li kuv tau hais ua ntej, PU rwb thaiv tsev boards paub txog lawv cov thermal kuj zoo heev. Cov yam ntxwv no ua rau lawv zoo tagnrho rau cov huab cua uas tswj qhov kub thiab txias yog qhov tseem ceeb. Txawm hais tias koj tab tom nrhiav kom tsis txhob muaj cua sov thaum lub caij ntuj sov los yog khaws cia sov thaum lub caij ntuj no, PU rwb thaiv tsev tuaj yeem pab tswj qhov kub thiab txias hauv tsev.
Txawm hais tias nws muaj zog insulating zog, polyurethane ua npuas ncauj yog ib qho kev ceeb heev. Qhov no ua rau PU rwb thaiv tsev boards yooj yim los lis thiab nruab. Tsis tas li ntawd, lawv lub teeb yuag tsis cuam tshuam lawv cov qauv kev ncaj ncees, txhais tau tias lawv tuaj yeem siv ntau yam kev tsim kho yam tsis tau ntxiv qhov hnyav rau lub tsev.
Ib qho ntawm cov kev txhawj xeeb nrog ntau cov ntaub ntawv rwb thaiv tsev yog lawv susceptibility rau ya raws. Txawm li cas los xij, PU insulation boards yog ib txwm tiv taus dej, txo qhov kev pheej hmoo ntawm pwm thiab mildew loj hlob. Tsis tas li ntawd, PU boards tuaj yeem tiv taus ntau yam huab cua, ua rau lawv muaj kev xaiv zoo rau kev siv sab nraum zoov, xws li vov tsev lossis phab ntsa.
Kev nyab xeeb yog lwm qhov tseem ceeb hauv cov khoom siv hauv tsev, thiab PU insulation boards tsis poob siab rau qhov no. Ntau lub PU boards raug kho nrog cov tshuaj tua hluav taws, ua kom lawv ua tau raws li cov cai hauv tsev thiab cov qauv kev nyab xeeb. Qhov no feature ntxiv ib txheej ntxiv ntawm kev tiv thaiv, tshwj xeeb tshaj yog nyob rau hauv cov tsev uas muaj hluav taws kev nyab xeeb yog qhov tseem ceeb.
PU rwb thaiv tsev boards feem ntau siv nyob rau hauv ob qho tib si vaj tse thiab kev lag luam. Lawv tuaj yeem ntsia tau rau hauv cov phab ntsa, ru tsev, thiab cov plag tsev kom muaj kev tiv thaiv zoo thoob plaws hauv lub tsev. Ntxiv nrog rau lawv cov txiaj ntsig thermal, PU boards kuj tseem ua rau lub suab tsis zoo, txhim kho kev nplij siab ntawm qhov chaw sab hauv tsev.
Lwm qhov tseem ceeb ntawm PU rwb thaiv tsev boards yog nyob rau hauv tub yees. Vim lawv muaj peev xwm tiv taus cua sov, PU boards feem ntau siv rau hauv kev tsim kho cov tub yees thiab cov chaw cia txias. Lawv pab tswj qhov tsim nyog qis qis thaum txo qis kev siv hluav taws xob, uas yog qhov tseem ceeb rau cov lag luam uas cia siab rau lub tub yees.
Hauv kev lag luam chaw, PU rwb thaiv tsev boards yog siv los thaiv cov kav dej, tso tsheb hlau luam, thiab lwm yam khoom siv. Lawv cov thermal tsis kam ua kom ntseeg tau tias cov tshuab ua haujlwm tau zoo los ntawm kev txo qis kub poob. Daim ntawv thov no muaj txiaj ntsig tshwj xeeb hauv kev lag luam uas kev txuag hluav taws xob tuaj yeem hloov pauv mus rau kev txo nqi tseem ceeb.
Thaum xav txog tej yam khoom siv hauv tsev, kev cuam tshuam ib puag ncig yog qhov tseem ceeb. Polyurethane yog muab los ntawm cov khoom siv roj av, uas ua rau muaj kev txhawj xeeb txog nws txoj kev ruaj khov. Txawm li cas los xij, nws yog ib qho tseem ceeb kom sib npaug cov kev txhawj xeeb no nrog kev txuag hluav taws xob uas PU rwb thaiv tsev boards muab rau lawv lub neej. Los ntawm kev txhim kho lub tsev lub zog efficiency, PU rwb thaiv tsev boards yuav txo tau tag nrho cov pa roj carbon hneev taw ntawm ib tug qauv.
Lwm qhov teeb meem los xav txog yog qhov rov ua dua ntawm PU rwb thaiv tsev boards. Thaum polyurethane ua npuas ncauj tsis yooj yim rov ua dua li qee yam khoom siv, kev siv zog los txhim kho cov txheej txheem rov ua dua tshiab. Piv txwv li, qee cov tuam txhab lag luam tab tom tshawb nrhiav txoj hauv kev los rhuav tshem polyurethane ua npuas ncauj rau hauv nws cov khoom siv los siv rau hauv cov khoom tshiab. Tsis tas li ntawd, kev siv pov tseg kom raug thiab rov ua dua tshiab tuaj yeem pab txo qhov cuam tshuam ib puag ncig ntawm PU rwb thaiv tsev boards thaum kawg ntawm lawv lub neej.
Yog tias koj tab tom txiav txim siab siv PU rwb thaiv tsev boards hauv koj qhov project, koj yuav xav tias puas yuav nruab rau koj tus kheej lossis ntiav ib tus kws tshaj lij. Thaum PU boards yog ib qho yooj yim los lis vim lawv lub teeb yuag, kev txhim kho kom zoo yog qhov tseem ceeb los ua kom lawv cov txiaj ntsig zoo. Yog tias koj tau ntsib nrog DIY kev txhim kho hauv tsev, koj tuaj yeem pom kev txhim kho PU boards tswj tau. Txawm li cas los xij, rau kev teeb tsa loj lossis ntau dua, nws yog qhov zoo tshaj plaws los ntiav tus kws tshaj lij los xyuas kom meej tias txoj haujlwm ua tiav.
PU rwb thaiv tsev boards tuaj yeem ntsia tau siv ntau txoj hauv kev nyob ntawm daim ntawv thov. Lawv feem ntau yog txiav kom loj thiab affixed rau lub tsev qauv siv cov nplaum los yog cov neeg kho tshuab fasteners. Qee zaum, lawv tuaj yeem siv ua ke nrog lwm cov ntaub ntawv rwb thaiv tsev kom ua tiav R-tus nqi ntau dua.
Hauv kev xaus, PU rwb thaiv tsev boards yog qhov kev xaiv zoo tshaj plaws rau txhua tus neeg nrhiav kev ua haujlwm siab, ruaj khov, thiab ntau yam khoom siv rwb thaiv tsev. Lawv kev sib xyaw ua ke ntawm thermal tsis kam, noo noo tsis kam, thiab kev nyab xeeb hluav taws ua rau lawv tsim nyog rau ntau yam kev siv, los ntawm cov tsev nyob mus rau cov chaw tsim khoom. Raws li kuv tau tshawb nrhiav ntau yam khoom thiab kev siv PU rwb thaiv tsev, nws yog qhov tseeb tias lawv muab cov txiaj ntsig luv luv thiab ntev rau kev siv zog thiab kev nplij siab.
Txawm hais tias muaj qee qhov kev txhawj xeeb ntawm ib puag ncig cuam tshuam txog kev tsim khoom thiab pov tseg ntawm polyurethane, kev txuag hluav taws xob uas lawv muab rau lawv lub neej feem ntau ntau dua cov teeb meem no. Yog tias koj tab tom nrhiav tus nqi tsim nyog thiab txhim khu kev qha rwb thaiv tsev, PU rwb thaiv tsev boards yeej tsim nyog xav txog.
Polyurethane Foam Association - Polyurethane yog dab tsi?
Rwb thaiv tsev rau Kev Siv Hluav Taws Xob - US Department of Energy
Kev Nyab Xeeb Hluav Taws Xob thiab PU rwb thaiv tsev - NFPA
Environmental Impact of Polyurethane – Green Building Advisor
Polyurethane nyob rau hauv tub yees - Insulated Insulation Guide