Koj puas tuaj yeem muab lub ntsej muag thaiv qhov thaiv ntsej muag? Tsis yog, ntsej muag rwb thaiv tsev yuav tsum tsis txhob muab ntxiv rau cov rwb thaiv tsev uas twb muaj lawm vim vapor retarder vapor retarder Ib pawg ntawm cov khoom yog g/m 2 ·day or g/100in 2·hnub. Permeability tuaj yeem raug tshaj tawm hauv perms, ib qho kev ntsuas ntawm kev hloov pauv ntawm cov dej vapor los ntawm cov khoom (1.0 US perm=1.0 grain / square-foot· teev·inch ntawm mercury ≈ 57 SI perm=57 ng / s·m 2·Pa). https://en.wikipedia.org › wiki › Vapor_barrier
Vapor barrier - Wikipedia
rau saum lossis nruab nrab ntawm cov txheej txheem rwb thaiv tsev tuaj yeem ntxiab ya raws.
Koj puas tuaj yeem ua ob npaug R 13 rwb thaiv tsev?
Doubling lub thickness ntawm rwb thaiv tsev yuav muab ob npaug rau lub rwb thaiv tsev R -tus nqi, txiav cov cua sov poob hauv ib nrab. Txhua lub sij hawm lub rwb thaiv tsev txheej yog ob npaug rau hauv thickness, txoj cai no siv. … Qee zaum, zoo li lub qab nthab, nws tsim nyog piping ntawm rwb thaiv tsev ntau dua vim tias muaj chav txaus.
Koj puas tuaj yeem muab ob npaug rau cov khoom thaiv hluav taws xob?
A: Tsis muaj teeb meem nrog kev txhim kho fiberglass batts tshaj koj cov rwb thaiv tsev uas twb muaj lawm. … Qhov tsuas yog qhov koj xav kom paub tseeb yog tias koj siv " unfaced" rwb thaiv tsev, txhais tau tias nws tsis muaj daim ntawv lossis aluminium ntawv ci tig rau ntawm lub batts.
Koj puas tuaj yeem muab 2 txheej rwb thaiv tsev rau hauv qab nthab?
Koj yuav tsum nruab ob txheej rwb thaiv tsev hauv koj lub tsev; ntoo joists yuav tsum tau npog kom huab cua txav thawj txheej yuav zaum ntawm cov joists, thiab txheej thib ob yuav khiav perpendicular hla cov joists. Thawj txheej yuav tsum muaj lub ntsej muag tiv thaiv phab ntsa ntub dej los ua lub vapor barrier.
Koj puas tuaj yeem ntxiv cov rwb thaiv tsev ntau dhau rau koj lub tsev?
Koj puas tuaj yeem tiv thaiv koj lub tsev? Lo lus teb yog yes! Yav dhau los ib qho taw tes, rwb thaiv tsev nyob rau hauv ib lub vented attic yuav ua phem ntau tshaj qhov zoo. Hauv Tebchaws Meskas feem ntau, kev ua tiav R-Value ntawm 38 yog ntau tshaj qhov txaus.
