Cov txheej txheem:

Yuav Ua Li Cas Rwb Thaiv Tsev Los Xaiv Rau Lub Nthab Saum Nthab, Nrog Rau Kev Suav Ntawm Cov Khoom Xav Tau
Yuav Ua Li Cas Rwb Thaiv Tsev Los Xaiv Rau Lub Nthab Saum Nthab, Nrog Rau Kev Suav Ntawm Cov Khoom Xav Tau

Video: Yuav Ua Li Cas Rwb Thaiv Tsev Los Xaiv Rau Lub Nthab Saum Nthab, Nrog Rau Kev Suav Ntawm Cov Khoom Xav Tau

Video: Yuav Ua Li Cas Rwb Thaiv Tsev Los Xaiv Rau Lub Nthab Saum Nthab, Nrog Rau Kev Suav Ntawm Cov Khoom Xav Tau
Video: yuav ua li cas koj thiaj paub hais tias muaj neeg tso khoom.10/5/2021 2024, Plaub Hlis Ntuj
Anonim

Attic thermal rwb thaiv tsev: los ntawm kev suav thiab cov khoom siv xaiv rau lub tshuab thev naus laus zis

nthab rwb thaiv tsev
nthab rwb thaiv tsev

Yog hais tias lub ru tsev ntawm lub teb chaws lub tsev tsim tau qhov chaw nthab nthab, ces nws tuaj yeem siv los nthuav qhov chaw nyob. Chav nthab muaj peev xwm ua tau chav pw lossis kawm ntawv, chav ua kis las, xinesmas lossis chav ua yeeb yam. Txhawm rau siv qhov chaw ntxiv txhua xyoo thawm xyoo, koj xav tau kev rwb thaiv tsev zoo. Ua kom sov lub nthab yuav tsis xav tau cov khoom siv loj, tshwj xeeb tshaj yog vim kev ua haujlwm tuaj yeem ua tau los ntawm tes. Nws yog ib qho tseem ceeb kom xaiv cov khoom tsim nyog rwb thaiv tsev thermal thiab ua tiav cov txheej txheem txhim kho.

Cov Ntsiab Lus

  • 1 Xav tau rau cov khoom siv rwb thaiv tsev thermal
  • 2 Cov ntaub ntawv twg haum rau insulating lub nthab

    • 2.1 Mineral ntaub plaub
    • 2.2 Polymer rwb thaiv tsev

      • 2.2.1 xov toojcua
      • 2.2.2 ua npuas ncauj polystyrene ua npuas ncauj
      • 2.2.3 Polyurethane ua npuas ncauj
    • 2.3 Ecovool
  • 3 Yuav ua li cas los xam cov tuab ntawm thermal rwb thaiv tsev

    • 3.1 Cov lus: qhov tseem ceeb ntawm thermal resistances nyob ntawm thaj tsam ntawm kev tsim kho
    • 3.2 Lub Rooj: Cov coefficients ntawm thermal conductivity ntawm cov ntaub ntawv
  • 4 Rwb thaiv tsev ntawm nthab los ntawm sab hauv

    • 4.1 Ua haujlwm daim ntawv txiav txim
    • 4.2 Yees duab: thermal rwb thaiv tsev ntawm nthab nthab nrog pob zeb hauv av tsiaj
  • 5 Nta ntawm rwb thaiv tsev ntawm nthab ntawm sab nrauv

    5.1 Yees duab: txhua yam koj xav paub txog nthab rwb thaiv tsev

Qhov yuav tsum muaj rau cov khoom cua rwb thaiv tsev

Siv tib lub thev naus laus zis uas tau siv nyob rau hauv kev tsim kho cov tsev thav duab yog qhov tsim nyog rau insulating lub nthab, txawm li cas los xij, cov kev nce qib ntxiv raug yuam raws li cov khoom siv thiab kev ua haujlwm zoo. Qhov zoo ntawm lub cua sov rwb thaiv tsev ntawm nthab qhov chaw yuav cuam tshuam rau ob qho tib si kev mob rau kev nyob zoo thiab lub sijhawm ua haujlwm ntawm lub ru tsev. Qhov no yog vim qhov tseeb hais tias cov phab ntsa ntawm nthab chav ntog tsim cov chaw nres tsheb thiab lub ru tsev pob zeb - cov chaw uas feem ntau kho hauv lub caij ntuj sov sov. Nyob rau lub caij ntuj no, ntawm qhov tsis sib xws, tshuab los ntawm cov cua txias tam sim no, lawv txias sai dua. Yog tias cov rwb thaiv tsev tsis zoo, lub ru tsev yuav xa cov cua sov mus rau sab nraud. Ib qho yuav tsum tsis txhob xav tias qhov kev txaus ntshai ntawm qhov xwm txheej nyob rau hauv banal nce ntawm lub zog siv rau cua sov lub nthab. Cov huab cua sov yuav ua rau cov daus ploj, thiab qhov no yog fraught nrog ntau qhov teeb meem loj dua - los ntawm kev kho tshuab kev puas tsuaj rau txheej sab saum toj los ntawm kev tsim cov dej khov rau cov tsos ntawm cov pwm thiab cov pwm uas ua rau lub pob zeb vov tsev thiab cov ntoo ua vaj tse ntawm lub truss.

Cov chav nthab
Cov chav nthab

Cov cua sov ua tau zoo yuav ua rau lub nthab xis nyob rau ob leeg nyob rau thaum lub caij ntuj sov sov thiab caij ntuj no txias

Thaum xaiv cov khoom siv rau insulating ib nthab, nws yuav tsum nco ntsoov tias tsis yog qhov tuab thiab tus naj npawb ntawm txheej txheej ntawm rwb thaiv tsev thermal nyob ntawm qhov no, tab sis kuj yooj yim ntawm kev teeb tsa. Raws li qhov tshwj xeeb ntawm kev siv ua cua sov, cov hauv qab no yog tswj hwm lawv:

  1. Muaj peev xwm tiv taus siab tshaj plaws kub. Cov khoom yuav tsum yog khov-tiv taus thiab tsis ua rau lub siab kub, khaws nws cov yam ntxwv txawm tias tom qab ntau dhau khov-thaw lossis cua sov-cua txias mus los.
  2. Lub sijhawm ruaj. Cov kev pab cuam lub neej ntawm lub rwb thaiv tsev thermal yuav tsum tsis muaj qis dua, yog tias tsis siab dua, ntau dua li lwm cov ntaub ntawv siv rau ntawm lub ru tsev. Qhov no yog vim muaj qhov tseeb tias hloov cov vov ntoo cov vov ntoo yog qhov nyuaj dua, piv txwv li, txheej sab saum toj ntawm cov hlau lossis ondulin.
  3. Qhov qis qis qis tau coefficient ntawm thermal conductivity. Nws yog qhov zoo tshaj plaws los coj lub rhaub nrog qhov ntsuas kub ntawm qhov tsis ntau tshaj 0.05 W / m × K.
  4. Tshaj noo siab tshaj plaws. Txij li cov hws tuaj yeem tshwm sim hauv qhov chaw hauv qab-ru tsev, cov khoom yuav tsum tsis txhob nqus noo thiab poob nws cov khoom thaum ntub.
  5. Kev nyab xeeb hluav taws. Lub rwb thaiv tsev thermal yuav tsum tsis txhob hlawv lossis ntxiv kev sib txuas.
  6. Tsawg qhov hnyav. Kev rwb thaiv tsev yuav tsum yog lub teeb kom tsis txhob tsim ib qho kev thauj khoom ntxiv rau ntawm lub ru tsev truss. Qhov nyhav tag nrho ntawm lub rwb thaiv tsev tuaj yeem txiav txim siab los ntawm sib tshooj nws ntom los ntawm nws qhov ntim. Cov kws tshaj lij pom zoo siv cov khoom siv nrog qhov ntom txog 50 kg / m 3.
  7. Lub peev xwm tswj hwm qhov muab tso rau. Rwb thaiv tsev yog nteg rau hauv cov kis ntawm cov rafters hauv qhov chaw inclined. Yog tias koj xaiv cov ntaub ntawv uas tuaj yeem deform hauv nws tus kheej qhov hnyav, tom qab ntawd nws dhau mus, nws tuaj yeem xaub, ua cov voids hauv cov qauv. Nws yog ib qho tsim nyog yuav tsum tau xaiv cov rwb thaiv tsev thermal uas tuaj yeem tuav nws cov qub thiab cov duab kom ntev.

Qhov kev xaiv ntawm rwb thaiv tsev thermal cuam tshuam qhov tuab ntawm lub vov tsev cov ncuav mog qab zib. Tom qab ntawd peb yuav saib txoj hauv kev los laij cov nqi ntawm cov khoom uas xav tau.

Cov ntaub ntawv dab tsi haum rau nthab rwb thaiv tsev

Koj tuaj yeem ua lub nthab tsim nyog rau nyob hauv txhua lub sijhawm ntawm lub xyoo nrog kev pab los ntawm ntau cov ntaub ntawv rwb thaiv tsev. Cia peb xav txog lawv cov ntsej muag thiab qhia txog lawv qhov ua tau zoo thiab tsis muaj zog.

Mineral ntaub plaub

Txhawm rau insulate lub nthab, koj tuaj yeem siv iav ntaub plaub, ntxhia lossis slag ntaub plaub. Cov ntaub ntawv no muaj cov thermophysical thiab cov haujlwm ua haujlwm hauv qab no:

  • siab ua hauj thermal - txog 1.19 W / (m 2 / K);
  • hluav taws xob tsawg tsawg - ntau dua 0.042 W / m × K;
  • tsawg phaus - ntawm 15 txog 38 kg ib 1 m 2.

Cov paj rwb hom rwb thaiv tsev yog qhov kev xaiv nyiam rau cov kws ua tsev nyob yog tias lub vov tsev ncuav mog qab zib yuav tsum tau nruab ntawm tus neeg sab hauv. Nws tsis txhawb nqa kev sib xyaw, muaj qhov hnyav tsawg kawg nkaus, thiab, uas yog qhov tseem ceeb, nas tsis pib hauv nws txheej. Cov kab xev ntim txig ua kom zoo rau lawv cov duab, thiab thaum tso cov rwb thaiv tsev fiber ntau hauv qhov chaw nruab nrab ntawm rafters, tsis muaj qhov yuav tsum tau kho kom haum - cov pob zeb hauv av ntaub tau yooj yim faib yam tsis muaj nqaws thiab khoob.

Pob zeb hauv av wool slabs
Pob zeb hauv av wool slabs

Mineral ntaub plaub yog tsim nyob rau hauv daim ntawv ntawm yob thiab phaj khoom

Tib qho tsis zoo yog qhov nce hygroscopicity. Vim tias qhov tshwm sim ntawm ya raws ntawm cov kab, lub thermal rwb thaiv tsev lub zog ntawm cov khoom poob los ntawm ntau tshaj ib nrab, thiab nws tus kheej pib tawg. Yog li no, cov pob zeb hauv av pob zeb xav tau cov txheej txheem dej zoo los ntawm lub ru tsev thiab teeb tsa lub vapor barrier membrane los ntawm sab hauv ntawm nthab.

Polymer rwb thaiv tsev

Cov ntaub ntawv polymeric feem ntau siv los ua lub tsev tiv thaiv cov vov tsev - polystyrene ua npuas dej thiab polyurethane ua npuas ncauj. Lawv zoo kawg nkaus khaws cov cua sov thiab, vim lawv qhov hydrophobicity, yog qhov tsis ntshai ntawm ya raws.

Styrofoam

Yooj yim polystyrene ua npuas dej, uas tseem hu ua polystyrene ua npuas dej, yog ib qho ntawm cov khoom siv rwb thaiv tsev nrov tshaj plaws ntawm lub tsev cov khoom lag luam. Cov yam ntxwv ua tau zoo - qhov tsawg kawg ntawm kev ua haujlwm, tsis tshua muaj thermal conductivity, ya raws tsis kam thiab muaj peev xwm tuav cov duab ua tau ua rau muaj qhov zoo tagnrho ntawm cov khoom no. Yog li ntawd, nws yog feem ntau siv qhov twg nws muaj zog poob siab. Ua ntej, tsuas yog G1-G2 tsis ua npuas dej tsis haum yog qhov tsim nyog rau insulating thaj chaw, thiab tsis yog nrov G3-G4, uas txig thiab hlawv tawm nyob rau hauv ib qho teeb meem ntawm ob peb feeb. Yog tias koj xaiv lub tom kawg rau insulating lub nthab, ces nws yuav yog qhov tsis muaj peev xwm kom ciaj sia nyob hauv nws thaum muaj hluav taws. Thib ob, kev teeb tsa ntawm cov polystyrene nthuav dav tsis yog ib txoj haujlwm yooj yim, vim nws nyuaj rau kev txiav thiab pob tawg yooj yim. Thib peb, cov khoom siv no tau yooj yim rau kev laus thiab pib raug mob sai sai thaum sijhawm dhau mus. Thiab hauv kev xaus, nws yuav tsum raug sau tseg tias ua npuas dej yog qhov khoom nyiam rau nas thiab nas, yog li ntawd nws tsuas yog siv nyob rau qhov twg nws yuav tau them nrog txheej txheej ntawm cov pob zeb ua screed lossis zais hauv qab plaster.

Styrofoam
Styrofoam

Polyfoam yog ib hom roj uas muaj roj yas ntim khoom uas siv tau los pleev qhov chaw nthab

Extruded polystyrene ua npuas ncauj

Extruded polystyrene ua npuas dej (EPS), uas zoo haum rau kev rwb thaiv tsev thermal ntawm nthab los ntawm sab nraud, yuav luag tag nrho tsis zoo ntawm qhov tsis zoo ntawm kev ua npuas dej. Rau qhov no, cov kab hluav taws xob ntxig tau muab tso ncaj nraim hauv qab cov khoom vov tsev, nyob rau sab saum toj ntawm cov khoom ntawm cov txheej txheem rafter. Qhov muaj pes tsawg leeg ntawm cov nplaim nplaum polystyrene muaj cov nplaim hluav taws kub, yog li nws tsis hlawv zoo. Piv rau txau, EPS muaj lub zog dua thiab tawv tawv, uas ua rau nws yooj yim dua rau kev txhim kho. Zoo li lwm cov ntaub ntawv polymeric, cov ntaub ntawv ua npuas polystyrene ua npuas dej tsis muaj dej, vapor-nruj thiab muaj lub zog zoo-txuag zog. Qhov no ua rau nws qhov kev xaiv zoo tshaj plaws rau rwb thaiv tsev sab nraud. Los ntawm txoj kev,EPPS yuav xav tau me me heev - txheej 100 hli yuav txaus rau qhov ua rau cov kab hauv daim ntom ntaws feem ntau hauv peb lub teb chaws.

Extruded polystyrene ua npuas ncauj
Extruded polystyrene ua npuas ncauj

Extruded polystyrene ua npuas ncauj yog qhov zoo tshaj rau cov txheej txheem rau sab nrauv ru tsev

Polyurethane ua npuas ncauj

Polyurethane ua npuas dej (PPU) yog cov roj av ntim roj hmab uas tau siv rau hauv cov ntawv ua kua rau hauv cov nplaim sab hauv. Thaum tau teeb tsa, cov khoom tawm ua cov tawv ua npuas tawv nrog cov yam ntxwv ntawm lub cev zoo:

  • thaum tshav kub hloov - nce txog 0.027 W / m × K;
  • thermal tsis kam los ntawm 1.85 txog 9.25 W / (m 2 / K);
  • thermal rwb thaiv tsev ntom ntom - los ntawm 30 txog 86 kg / m 3;
  • qhov hnyav - ntawm 11 txog 22 kg.

Rau daim ntawv thov ntawm polyurethane ua npuas dej, ib qho kev teeb tsa tshwj xeeb yog siv nyob rau hauv uas cov kua sib tov yog txau thaum cov pa lossis CO 2 muab rau.

Rwb thaiv tsev nrog polyurethane ua npuas ncauj
Rwb thaiv tsev nrog polyurethane ua npuas ncauj

Txhawm rau txhawm rau lub ru tsev nrog polyurethane ua npuas dej, koj yuav tsum tig mus rau cov kws tshaj lij - koj tsis tuaj yeem ua yam tsis muaj cov cuab yeej tshwj xeeb thiab kev txawj ntse.

Qhov qauv ntawm kev teeb tsa no feem ntau txiav txim siab qhov zoo ntawm qhov rwb thaiv tsev, txij li thaum lub ru tsev qhov chaw tau tawg, tsis muaj qhov tawg, qhov khoob thiab txias qhov txuas ntawm daim ntawv qhib cov ntsiab lus ntawm rafter system. PU ua npuas dej tsis txhawb kev sib txuas thiab tsis hloov nws cov duab. Nws tsis xeb zuj zus lub sijhawm thiab resists noo noo zoo. Los ntawm txoj kev, tom kawg yam ua rau qis vapor permeability - lub rwb thaiv tsev tsis pub lub ru tsev "ua pa", uas yog fraught nrog cov av noo nyob rau hauv qhov chaw nthab.

Ecovool

Ecowool tuaj yeem suav tias yog ib qho khoom siv zoo tshaj plaws rau kev ua haujlwm rwb thaiv tsev thermal nyob hauv tsev. Qhov kev rwb thaiv tsev no muaj ntau tshaj li 80% cellulose fibers, yog li nws muaj cov thermal conductivity tsawg thiab zoo rau sau qhov khoob ntawm rafters. Txij li cov cellulose hauv nws daim ntawv ntshiab hlawv tau zoo thiab raug pov tseg los ntawm cov kab mob hu ua fungi, borax tau nkag mus rau nws cov muaj pes tsawg leeg li hluav taws kub tiv thaiv kab mob thiab boric acid los tiv thaiv nws ntawm kev puas tsuaj los ntawm cov kab mob lom, nrog rau cov nas.

Theem pib lub zog ntawm ecowool:

  • thermal conductivity - los ntawm 0.037 txog 0.042 W / m × K;
  • qhov ntom ntom ntom muaj nyob ntawm qhov tsis txawv ntawm kev tso pw thiab sib txawv raws li ntawm 26-95 kg / m 3;
  • flammability - pab pawg G2 raws li GOST 30244;
  • vapor permeability - txog 03 mg / mchPa.

Nyob rau hauv cov nqe lus ntawm nws ua hauj lwm zoo, ecowool mus ze rau cov ntxhia thiab polymer thermal rwb thaiv tsev, outstripping lawv nyob rau ntau yam. Yog li, tsis zoo li cov ntxhia plaub tsiaj, nws nqus noo noo tsis txo nws qhov thermal conductivity. Thaum cov av noo nce txog 1%, cov pob zeb hauv av pob yuav poob ib feem kaum ntawm nws cov khoom siv thermal rwb thaiv tsev, thaum ecowool, thaum noo nrog noo noo txog 25%, yuav ua rau lub thermal conductivity tsis pub tshaj 5%.

Ecovool
Ecovool

Ecowool nyob rau hauv daim ntawv ntawm slabs ntawm ntau lub thicknesses yog haum rau insulating lub nthab

Nws tseem yog ib qho tseem ceeb uas thaum ziab, lub cellulose rwb thaiv tsev ua kom tiav nws cov yam ntxwv qub. Nyob rau tib lub sijhawm, nws tuaj yeem ua ib hom kev ntas hluav taws xob uas muaj peev xwm tswj tau theem zoo nyob ntawm cov av noo hauv chav. Ecowool tso cai rau kev teeb tsa mus rau hauv txoj kev tsis ruaj khov, yog li ntawd nws tsim txheej txheej monolithic tsis muaj qhov khoob thiab choj txias. Nws cov huab cua permeability yuav luag ob zaug qis dua li ntawm cov ntxhia ntxhia, thiab tib lub sij hawm nws tseem ywj txaus kom dampen lub suab nrov. Thaum siv ecowool, nthab yuav zoo tshaj plaws los ntawm lub suab nrov sab nraud. Thiab, thaum kawg, nws tsis tuaj yeem ua ntsiag to txog kev ua phooj ywg ib puag ncig thiab kev nyab xeeb ntawm cov khoom no. Nyob rau hauv nws cov muaj pes tsawg leeg tsis muaj ib qho kev sib txuas tshuaj lom neeg uas tuaj yeem tshem tawm thiab tso cov tshuaj phem rau tib neeg.

Li cas los xam cov tuab ntawm rwb thaiv tsev

Txhawm rau ntsuas txheej txheej dab tsi xav tau rau kev rwb thaiv tsev ntawm lub nthab, cov neeg tsim qauv siv cov qauv los ntawm SNiP II-3-79 δ ut = (R - 0.16 - δ 1 / λ 1 - δ 2 / λ 2 - δ i / λ i) × λ ut, nyob rau hauv uas R yog cov thermal thev naus laus zis ntawm txoj kab nqes, phab ntsa lossis pem teb (m 2 × ° С / W), δ yog qhov tuab tuab ntawm tus kheej cov qauv hauv cov ntsuas, thiab λ yog cov thermal conductivity coefficient ntawm lub rwb thaiv tsev (W / m × ° С) rau kev siv cov txheej txheem qauv.

Hauv tsev neeg ntiag tug, cov mis no tau yooj yim mus rau qhov sib npaug yooj yim δ ut = R × λБ, qhov kawg ntawm qhov ntsuas tau ua kom muaj qhov thermal conductivity ntawm lub rwb thaiv tsev siv hauv W / m × ° С. Qhov tsawg kawg nkaus thermal tsis kam ntawm phab ntsa, ru tsev thiab ceilings nyob ntawm thaj av uas kev tsim kho tau ua.

Cov lus: qhov tseem ceeb ntawm thermal resistances nyob ntawm thaj tsam ntawm kev tsim kho

Hauv lub zos R (m 2 × ° C / W)
Rau plag tsev Rau phab ntsa Rau txheej xim
Anadyr 6.39 4.89 7.19
Txaij Nrawm 4.65 3.55 5.25
Bryansk 3.92 2.97 4.45
Velikiy Novgorod 4.04 3.06 4,58
Derbent 2.91 2.19 3.33
Ekaterinburg 4.6 3.5 5.19
Irkutsk 4.94 3.76 5.58
Kaliningrad 3.58 2.71 2.08
Krasnoyarsk 4.71 3.59 5.33
Maykop 3.1 2.8 3.5
Moscow 4.15 3.15 4.7
Murmansk 4.82 3.68 5.45
Nalchik 3.7 2.8 4.2
Naryan-Mar 5.28 4.03 5.96
Nizhny Tagil 4.7 3,56 5.3
Omsk 4.83 3.68 5.45
Orenburg 4.49 3.41 5.08
Permian 5.08 3.41 4.49
Penza 4.15 3.15 4.7
St. Petersburg 4.04 3.06 4,58
Saratov 4.15 3.15 4.7
Sochi 2.6 1.83 2.95
Surgut 5.28 4.03 5.95
Tomsk 4.83 3.68 5.45
Tyumen 4.6 3.5 5.2
Ulan-Ude 5.05 3.85 5.7
Chelyabinsk 4.49 3.41 5.08
Chita 5.27 4.02 5.9

Cov thermal conductivity cov yam ntxwv ntawm ib qho khoom siv thermal rwb thaiv tsev tseem tuaj yeem pom hauv cov ntxhuav.

Cov lus: Cov ntxig ntawm cov thermal conductivity ntawm cov ntaub ntawv

Cov khoom siv λ (W / m × ° С)
Roj hmab ua npuas ncauj (polyurethane ua npuas ncauj) 0.03
Penoizol 0.033
Txhab polystyrene 0.04
Basalt (pob zeb) ntaub plaub 0.045
Iav ntaub plaub 0.05

Rwb thaiv tsev ntawm nthab los ntawm sab hauv

Txoj kev yooj yim thiab yooj yim tshaj plaws rau kev nkag mus ntawm lub ru tsev yog kev rwb thaiv tsev thermal los ntawm sab ntawm nthab. Rau lub hom phiaj no, siv tag nrho cov ntaub ntawv paub txog kev rwb thaiv tsev thermal siv. Feem ntau, cov ntxhia lossis iav siv yog - tus nqi qis ntawm cov cua sov no cuam tshuam. Extruded polystyrene ua npuas ncauj yog siv me ntsis tsawg dua, kev teeb tsa uas ua rau muaj teeb meem ntau dua. Thiab hmoov tsis zoo, ecowool lossis nthuav cov tshuab polystyrene tseem tseem siv tau tsawg kawg - tus nqi siab thiab tsis yooj yim ntawm kev txhim kho thermal rwb thaiv tsev ua si lub luag haujlwm ntawm no.

Rwb thaiv tsev ntawm nthab pem teb
Rwb thaiv tsev ntawm nthab pem teb

Thaum insulating lub nthab los ntawm sab hauv, tsis tsuas yog lub phab ntsa yog insulated, tab sis kuj rau hauv pem teb

Lub sijhawm ua haujlwm ntawm cov ntaub ntawv siv thiab qhov kev nplij siab sab hauv ntawm nthab yog nyob ntawm seb qhov raug ntawm kev siv thev naus laus zis ntawm kev ntsuas cua sov. Lub luag haujlwm tseem ceeb tshaj plaws ntawm no yog ua si los ntawm kev ua zoo li cas lub ru tsev "ncuav qab zib" tau tso. Yog tias peb xav txog cov qauv hauv sab nraud, ces nws muaj cov hauv qab no:

  • xov nrog cov ntawv ntawm phab ntsa ntub dej, plywood lossis OSB, clapboard, thiab lwm yam.;
  • crate nrog cov qhov cua qhov sib txawv;
  • vapor barrier;
  • thermal rwb thaiv tsev ntaub;
  • dej thaiv dej;
  • counter-lattice thiab lathing nrog lub qhov cua qhov sib txawv;
  • cov khoom vov tsev.

Nws yuav tsum raug sau tseg tias kev tiv thaiv vapor yog qhov xav tau tsuas yog thaum cov khoom siv paj rwb tau siv rau kev rwb thaiv tsev - hauv qhov no, nws yuav tiv thaiv kev nkag mus ntawm huab cua noo los ntawm nthab. Thaum siv cov ua npuas polyurethane ua npuas lossis polystyrene ua npuas dej, tsis tas yuav muaj qhov sib txawv ntawm daim nyias nyias.

Raws li rau kev tiv thaiv dej, nws yog qhov xav tau nyob rau hauv txhua rooj plaub, vim nws yuav ua qhov thaiv ntxiv los tiv thaiv lub vov ntoo thiab ntoo cov ntsiab lus ntawm lub rafter system los ntawm ya raws tuaj sab nraud. Yog tias kev siv fibrous rwb thaiv tsev yog siv rau rwb thaiv tsev thermal, tom qab ntawd superdiffusion daim nyias nyias siv tau uas tuaj yeem dhau dej vapor hauv ib qho kev taw qhia. Thaum lub sij hawm nruab, lawv tau taw qhia txoj hauv kev zoo li no kom paub meej tias kev tshem tawm ntawm cov dej noo ntawm cov ntaub ntawv paj rwb. Tsis tas li ntawd, txhawm rau txhim kho qhov cua ntawm nruab nrab ntawm cov dej thiab lub ru tsev, qhov cua nkag nrog lub qhov siab ntawm 5 txog 10 cm yog teem.

Txheej txheem ntawm lub vov tsev ncuav mog qab zib siv thaum insulating chav nthab los ntawm sab hauv
Txheej txheem ntawm lub vov tsev ncuav mog qab zib siv thaum insulating chav nthab los ntawm sab hauv

Thaum insulating nrog pob zeb hauv av ntaub plaub, nws yog qhov tsim nyog los siv zaj duab xis vapor barrier

Tag nrho cov txheej txheem ntawm lub vov rwb thaiv tsev yuav tau muab faib ua ob peb theem:

  • npaj ua haujlwm;
  • npaj cov khoom cua sov rwb thaiv tsev;
  • tso kev rwb thaiv tsev nyob rau hauv qhov chaw;
  • ua kom sai ntawm thermal rwb thaiv tsev;
  • xov cov dej num.

Nws yog ib qho tsim nyog yuav tsum nco ntsoov txog cov rwb thaiv tsev ntawm lub nthab ntawm chav nthab, pib los ntawm cov qauv tsim theem, tsis txhob hnov qab yuav tsum coj mus rau hauv qhov peculiarities ntawm thermal rwb thaiv tsev ua haujlwm ntawm txhua theem ntawm kev tsim kho. Nws yuav tsum txiav txim siab los ntawm qhov pib thaum kawg uas cov phab ntsa ntawm nthab yuav yog. Yog tias cov nplais ntu ntawm lub ru tsev yuav ua lawv qhov peev xwm nce mus rau qhov sib tshooj dhau, tom qab ntawd cov vuas vov tsev yog insulated. Thaum muaj kev teeb tsa ntsug phab ntsa, yuav tsum tau muaj lub thaiv cua sov ua haujlwm ntawm cov ntu ntu ntawm phab ntsa, phab ntsa thiab ntu sib tshooj uas nyob ib sab.

Attic rwb thaiv tsev txheej txheem nrog ntsug phab ntsa partitions
Attic rwb thaiv tsev txheej txheem nrog ntsug phab ntsa partitions

Rwb thaiv cua sov tau teeb tsa hauv cov chaw siv

Ua haujlwm xaj

Ua ntej pib txheej txheem thermal rwb thaiv tsev ntawm nthab, lub ncuav mog qab zib rwb thaiv tsev yuav tsum tiv thaiv nrog txheej txheej txheej txheem dej. Txoj haujlwm no yuav tsum tau ua ua ntej tso cov khoom vov tsev, txwv tsis pub nws yuav tsis muaj peev xwm ua tiav tiav cov ntaub ntuag ntawm cov ntaub pua plag rwb thaiv tsev thermal. Lawv pib nteg daim nyias nyias nyias ncaj nraim ntawm sab saum toj ntawm rafters. Cov haujlwm yog nqa tawm los ntawm hauv qab nce, nrog sib tshooj ntawm daim ntaub dhau los los ntawm 15 cm thiab gluing sib koom tes nrog cov kab xev tshwj xeeb. Nws tsis yog qhov yuav tsum tau ncab zaj duab xis, nws yog qhov zoo dua mus rau tawm ntawm kev tso me ntsis. Lub deflection txog li 20 mm rau 1 khiav qhov ntsuas ntawm cov khoom yuav txaus kom lub membrane kev tiv thaiv dej tsis tawg nrog qhov pib ntawm lub caij ntuj no te. Nws yog qhov zoo tshaj plaws los siv tus qauv siv stapler kom xa cov zaj duab xis rau rafters. Yog hais tias qhov cuab yeej zoo li no tsis yog nyob ntawm txhais tes, tom qab ntawd cov dej ntab tawm tuaj yeem raug ntsia hlau nrog cov ntsia hlau galvanized nrog cov taub hau dav.

Lub vov dej waterproofing installation
Lub vov dej waterproofing installation

Koj yuav tsum xav txog kev tiv thaiv cov khoom cua sov rwb thaiv tsev los ntawm ya raws txawm tias nyob ntawm theem ntawm lub tsev nyob ib puag ncig

Txhawm rau kom muaj kev ua pa zoo ntawm qhov chaw ntawm daim nyias nyias zaj duab xis thiab cov khoom siv vov tsev, ntoo ntom ntom uas muaj tuab li tsawg kawg 25 hli siv los ua lub lathing. Lawv raug txuas rau ntawm tus ceg rafter uas siv xeb-tiv thaiv tus kheej-tapping screws lossis galvanized tes 50-70 hli ntev.

Yog hais tias lub ru tsev yog them nrog lub vov mos, ces lub chaw ruaj khov ntawm chipboard, OSB lossis cov ntoo pev-resistant yog ntsia ntawm lub crate. Cov vuas hlau, cov pob zeb slate thiab lwm yam khoom siv vov tsev txuas nrog ncaj qha rau cov khoom sheathing.

Tom qab ntawd lub installation yog nqa tawm los ntawm nthab sab. Txhawm rau kom tsis txhob ua yuam kev, kab lus ntawm kev ua haujlwm yuav tsum raug pom:

  1. Cov khoom siv thermal rwb thaiv tsev yog tsis qhib. Phaj thiab yob rwb thaiv tsev yog nteg rau ntawm ib qho chaw tiaj tiaj thiab sab laug rau lub sijhawm luv kom ncaj nws cov fibers.
  2. Ib daim ntawv ntawm cov pob zeb hauv av wool yog txiav rau hauv daim, qhov dav ntawm uas yog 2-3 cm ntev dua li lub suab ntawm rafter ceg.
  3. Cov nplais ntu ntawm cov rwb thaiv tsev tso rau hauv qhov khoob ntawm rafters. Thaum pib, lub rwb thaiv tsev yuav tuav vim yog lub teeb tsa ntawm "vaspor", yog li ntawd txhua daim ntaub thaiv yog thawj zaug nias hauv nruab nrab, thiab tom qab ntawd nws cov npoo yuav muab khi rau hauv kom cov rwb thaiv tsev tsis tiv thaiv dhau ntawm rafters.

    Rwb thaiv tsev tso
    Rwb thaiv tsev tso

    Rwb thaiv tsev yog nteg tawm hauv qab los, thawb cov khoom mus rau hauv qhov khoob ntawm rafters

  4. Cov pob zeb hauv av yog them nrog lub vapor barrier membrane. Xws li txheej txheem dej, cov khoom siv txaij yog nteg tav toj, txij hauv qab mus rau sab saum toj, nrog ib qho sib tshooj ntawm tsawg kawg 10 cm. Cov pob qij txha yog glued nrog daim kab xev, thiab zaj duab xis nws tus kheej txuas rau rafters nrog stapling staples.
  5. Hauv qab lathing yog ua los ntawm ntoo loj 2.5 cm tuab. Nyob rau hauv lub neej yav tom ntej, plasterboard qauv los yog lwm yam khoom tiav yuav txuas rau nws.

    Txhim kho lub nthab rwb thaiv tsev
    Txhim kho lub nthab rwb thaiv tsev

    Ib txheej txheej rwb thaiv tsev yog kaw nrog lub vapor barrier membrane, nyob rau saum toj ntawm cov battens uas yog khoom

Qee lub sij hawm nws yog qhov tsim nyog los ua qhov thaiv cov nthab hauv tsev ua haujlwm nrog lub ru tsev twb qhib lawm. Yuav kom tsis txhob rhuav tshem cov khoom vov tsev, cov ntaub thaiv dej thaiv tau tuaj yeem ntsia ntawm ib sab ntawm chav tsev. Txhawm rau ua qhov no, lub rafters yog qhwv nrog ib zaj duab xis, thiab cov khoom nws tus kheej txuas rau lub crate. Qhov tsis zoo ntawm qhov kev daws teeb meem no yog lub tsev cov ntoo vaj tse tsis muaj kev tiv thaiv yog tias ya raws pib pom sab hauv vim qee qhov laj thawj.

Video: thermal rwb thaiv tsev ntawm nthab nthab nrog pob zeb hauv av tsiaj

Nta ntawm rwb thaiv tsev ntawm nthab ntawm lub nthab los ntawm sab nraud

Yog hais tias tus qauv ntawm chav nthab xav tias muaj cov kab teeb ntoo rau ntawm phab ntsa lossis nws qhov ntev tsis tso cai siv ib xees ntev ntawm qhov chaw, ces lub ru tsev yog qhov ntxig los ntawm sab nraud. Nws yog qhov zoo tshaj plaws los ua qhov no txawm nyob rau theem ntawm kev tsim ru tsev, txij li lwm yam koj yuav tsum tshem tawm cov khoom vov tsev.

Kev rwb thaiv tsev ntawm lub ru tsev los ntawm sab nraud tsuas yog ua tiav nrog lub rwb thaiv tsev thermal. Cov khoom zoo tshaj plaws hauv qhov no yog extruded polystyrene ua npuas ncauj. Raws li tau sau tseg saum toj no, xws li ib txheej tsis xav tau vapor thaiv, yog li cov rwb thaiv tsev ncuav mog qab zib muaj tsawg txheej:

  • phaj thermal rwb thaiv tsev;
  • khoom siv dej ua kua;
  • crate nrog cov qhov cua qhov sib txawv;
  • cov khoom vov tsev.

Lub ntsiab kom zoo ntawm cov rwb thaiv tsev sab nrauv yog qhov homogeneity ntawm txheej thermal rwb thaiv tsev. Qhov tsis muaj qhov xav tau yog qhov tsis muaj qhov txuas ntawm tus choj txias thiab muaj peev xwm soj ntsuam thiab kho lub rafters tsis tau rhuav tshem cov khoom vov tsev.

Attic rwb thaiv tsev sab nraud
Attic rwb thaiv tsev sab nraud

Txoj hauv kev uas lub nthab yog insulated los ntawm sab nraud yuav ua rau kom qhov chaw sab hauv ntawm lub nthab thiab siv cov rafters uas yog cov khoom ua kom zoo nkauj ntawm sab hauv.

Ua haujlwm xaj:

  1. Lub hauv paus ntoo ntawm plywood lossis OSB tau nteg rau ntawm rafters. Cov khoom siv nrawm nrog xeb nrog kev kho tus kheej tapping screws thiab cov chaw uas cov rafters dhau tau khij.
  2. Cov ntoo nqaj yog khoom xa mus rau hauv qis dua ntawm lub hauv paus ntoo, uas yuav pab raws li kev txhawb nqa rau cov nplais hluav taws xob ntawm daim phiaj hlau. Nws cov tshooj ntu yuav tsum sib haum nrog cov tuab ntawm txheej txheej thermal rwb thaiv tsev.
  3. Cov kab ua npuas polystyrene nteg paib tau pw ntawm txheej txheej npaj. Kev tso haujlwm yog nqa tawm hauv qhov ntsuas tus qauv kos, pib los ntawm kab kev txhawb nqa. Txhawm rau txhawm rau lub rwb thaiv tsev thermal, tshwj xeeb dowels nrog lub taub hau dav siv.

    Txheej txheej ntawm polystyrene ua npuas ncauj ntoo
    Txheej txheej ntawm polystyrene ua npuas ncauj ntoo

    Kev txhim kho polystyrene ua npuas ncauj daim paib hauv ob txheej pov tseg yuav zam kev ua kom tawg thiab tshem tawm cov kab mob txias

  4. Rwb thaiv tsev daim hlau yog them nrog cov kua dej thaiv. Cov kab ntawm cov khoom kis tau los ntawm kab hauv qab ntawm kev rwb thaiv tsev thiab maj mam nce. Hauv qhov no, txhua daim ntawv txuas tom ntej ntawm daim nyias nyias waterproofing yuav tsum mus dhau qhov dhau los los ntawm tsawg kawg 10 cm.
  5. Coj los ntawm cov cim tau ua dhau los, sheathing cov kab yog ntsia rau ntawm rafters. Txhawm rau kom paub meej qhov cua ntawm qhov chaw qis-hauv qab, xaiv cov ntoo txiav nrog cov ntu ntu ntawm tsawg kawg 40 hli.

Txhua yam uas tseem yuav ua tiav yog nteg thiab kho cov khoom vov tsev. Cov hom vov uas nyuaj tau muab txuas nrog ncaj qha nrog lub crate, yog li ntawd, qhov kev ncua deb ntawm cov ntoo yuav tsum tau coj mus rau hauv theem ntawm nws qhov kev teeb tsa. Lub hauv paus ruaj ntawm OSB lossis plywood raug ntsia hauv qab lub ru tsev mos, uas yog tiv thaiv nrog txheej txheej txheej txheej dej. Hauv qhov no, tsis tas yuav tsum nruab ib lub vov dej tsis haum rau ntawm cov rwb thaiv tsev.

Video: txhua yam koj yuav tsum paub txog nthab rwb thaiv tsev

Kev ntsuas cua sov ntawm nthab ntawm chav nthab, dua li, qhov tseeb, khaws cov cua sov sab hauv, tso cai rau koj los daws teeb meem ntawm lwm yam teeb meem. Cov rwb thaiv tsev zoo yuav tiv thaiv lub ru tsev kom tsis txhob overheating thaum lub caij ntuj sov, uas txhais tau tias chav yuav ua kom xis nyob hauv lwm chav. Nyob rau lub caij ntuj no huab cua sov, lub hnab ua cua sov rwb thaiv tsev yuav tiv thaiv kom tsis txhob daus yaj thiab dej khov, thiab thaum los nag lossis los lawg nws yuav ua rau tiv thaiv suab nrov. Nws tsuas yog ib qho tseem ceeb kom coj mus rau hauv tus yam ntxwv ntawm ntau lub tso cua sov thiab ua cov haujlwm ua kom raug, coj mus rau hauv tus lej cov cai thiab kev tsim thev naus laus zis.

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