Attic Rain: Chando Frost Thaw, Ceiling Deluge, uye Vapor Barrier Bypass¶

Attic mvura chiitiko chinoparadza munguva yechando chinoitika kana mhepo inodziya yemukati inodarika zvipingamupinyi zvemhute, inoungana sechando padenga remba inotonhora isati yanyunguduka panguva yekunaya kwekunze kwakangoerekana kwaita. Mumamiriro ekunze anotonhora umo tembiricha yechando inoramba iri pasi pechando kwemavhiki, stack effect inofambisa hunyoro hwemukati kukwira kuburikidza nekupinda kusirin’i isina kuvharwa, maburi ewaya, magadzirirwo emwenje, uye pombi dzemvura dzinodzingirira mudzimba dzinotonhora. Kana tembiricha yekunze ichikwira pakati peminus 15 degrees Celsius (5 degrees Fahrenheit) uye minus 35 degrees Celsius (minus 31 degrees Fahrenheit), nechepasi pedenga remba inodonha pasi pechando. Mupfunga wemvura uchipinda mudenga remba inodzika yakananga muchando chakasimba, matanda ekunamira, matanda emadziro, uye zvipikiri zvedenga remba muchando chakakora chinosvika mamirimita makumi mashanu (2 inches) kudzika.

Dambudziko rinosvika kana kushanduka kwemamiriro ekunze kwakangoerekana kwaita, semhepo inodziya yepakati penguva yechando kana kuti chinook mhepo, painodziya denga rakasviba rinopfuura 0 degrees Celsius (32 degrees Fahrenheit). Sezvo denga rinopisa richipisa kubva kunze mukati, mazana emarita (makumi emarita) echando chakakomberedzwa chinonyunguduka panguva imwe chete pamusoro pedenga rezasi. Mvura inonyunguduka iyi haigone kubuda nepadenga remba isingapinde mvura, saka giravhiti inokwevera mafashamo ichidzika mugumbeze rakachinjika refiberglass kana cellulose attic insulation. Saturated insulation inorasikirwa nekupisa kwekupisa uye nzira dzakadzika nzizi dzemvura padenga rakaomeswa, kuungana munzvimbo dzakaderera, kunyungudutsa gypsum cores, uye kudonha nepakati pezvigadziriso zvemwenje, zvitsinga zveutsi, uye drywall seams.

Kurumidza kurongeka uye kugadzikana kwemagetsi kunodzivirira kudonha kwesirin'i uye kumisa kuora kwehuni uye kukura kwehutachiona. Gypsum ceiling drywall inorasikirwa kusvika ku80 muzana yesimba rayo rekugera kana yazara mvura, ichishandura pamusoro pepamusoro kuita njodzi yakamiswa inorema mazana emakirogiramu. Chiito chekukurumidza chinoda de-energizing akatyisidzirwa emagetsi bazi maseketi, kusunungura yakaunganidzwa huremu hwemvura kuburikidza neinodzorwa drainage punctures, kuchenesa midziyo iri pasi penzvimbo yekudonha, uye kutumira maindasitiri dehumidification. Kugadziriswa kwenguva refu kunoda kuziva uye kuvhara mukati mehamvuropu yezvivakwa zvekupfuura kwete kungovimba chete nemhepo inofefetera padenga.

Ita izvi ikozvino¶

1. Deresa simba ese emagetsi mapazi maseketi anopa makamuri akakanganisika pane main service panel, akanangana nemwenje wesirin'i, mafeni ekupedza simba, uye maaramu ehutsi hwepamusoro.
2. Bvisa vese vanogaramo uye mhuka dzinovaraidza kubva munzvimbo yakananga pasi pemvura inodonha kana isina ruvara padenga kuti ubvise njodzi dzekukuvara kubva pakudonha nyoro kana drywall.
3. Bvisa fenicha, maragi, uye midziyo yemagetsi kunze kwekamuri, kana kuvhara zvinhu zvakamira nepepa rinorema repolyethylene rakasungirirwa tepi isingapindi mvura.
4. Isai mabhagi epurasitiki akaomesesa kana mabhakiti-magaloni mashanu akananga pazasi pemvura inodonha inoonekwa, mitsetse yakaomeswa nemadziro, kana zvikamu zvesirin'i zvinonyura, uchiisa matauro anonwa pasi pegaba rega rega.
5. Boora buri rekuyamura rinodzorwa nepakati penzvimbo yakadzikira yakarembera newallwall point uchishandisa isiri-conductive awl, nhete screwdriver, kana purasitiki probe kudonhedza mvura yakavharirwa mumabhaketi.
6. Svika padenga remba zvakachengetedzeka uchishandisa nhanho yakatenderwa, N95 kana P100 yekufemerera, dziviriro yeziso, uye mwenje wemusoro wakajeka, unotsika chete uchipfuura wakasimbiswa sirin'i joists.
7. Isai mapani ekubata kwenguva pfupi kana machira epurasitiki akatenuka akananga kumadhishi ekuunganidzira akananga pasi pedenga rinodonhedza sheathing kuti utsause mvura yakanyunguduka kubva pakuvharirwa kwedenga uye sirin'i yakaoma.

flowchart TD
    A["Attic Rain Mafashamo Akaonekwa"] --> B["Danho 1: De-Energize Magetsi Sercuits paMain Panel"]
    B --> C["Nhanho yechipiri: Bvisa Vagari uye Zvinokosha kubva kuDrop Zone"]
    C --> D["Danho rechitatu: Isa Mabheseni Ekubata Pazasi Pekudonha Sirin'i"]
    D --> E{"Iri Ceiling Drywall Inodonha kana Kuputika?"}
    E -- "Hongu" --> F["Ita Inodzorwa Awl Puncture paLowest Sag Point"]
    E -- "Kwete" --> G["Unganidza maDripu mumaBhakiti uye Monitor Seams"]
    F --> H["Bvisa Meltwater Yakavharirwa muMaunganidzwa Tubs"]
    G --> H
    H --> I["Svika Attic Zvakachengeteka Mhiri Kwemaitiro Joists Chete"]
    I --> J{"Ziva Panobva Mvura paSheathing"}
    J -- "Uniform Frost Inonyunguduka Pakati peDecking" --> K["Ongorora Attic Mvura kubva kuVapor Bypass"]
    J -- "Isolated Water Trail paKupinda" --> L["Ongorora Kunze Denga Kupenya Leak"]
    K --> M["Isa Sheathing Diverter Pans uye Deploy Air Movers"]
    L --> M
    M --> N["Tanga Kuomeswa Kwemaitiro Kuomesa uye Seal Mhepo Inodonha"]

Kunzwisisa attic mvura: fizikisi uye kuvaka sainzi¶

Mvura yeAttic inogara isingazivikanwe sekutadza kwedenga rekunze, zvichiita kuti varidzi vemba vape mhosva yekumisikidza shingle, kupenya kwezvinhu, kana kunaya kwemhepo. Iyo yepasi meshini yekutadza kuvaka kwemukati sainzi kutadza kunotungamirwa ne psychrometrics, vapor pressure gradients, uye mweya infiltration dynamics. Mhepo inodziya yemukati inotakura huwandu hwakanyanya hwemhepo ine gasi pane mweya unotonhora wekunze wechando.

Mumba inodziya kusvika 21 degrees Celsius (70 degrees Fahrenheit) ine 45 muzana hunyoro hunoenderana, mhepo yemukati ine 8.2 magiramu emhute yemvura pa cubic mita yemhepo. Izvi zvinoshandisa mhute yemukati yekumanikidza inosvika 1.12 kilopascals (0.16 pounds per square inch). Mhepo yekunze yechando iri paminus 20 degrees Celsius (minus 4 degrees Fahrenheit) uye 80 muzana yehunyoro hune hunyoro husingasviki 0.9 magiramu ehunyoro pa cubic meter. Izvi zvinogadzira yakanyanyisa mhute kudzvanywa kusiyanisa muhamvuropu yekuvaka.

Kudonhedza kwemhepo kunoendesa hunyoro munzvimbo dzisina kuvharwa padenga pamitengo yakapetwa ka50 kusvika ka100 kupfuura kuparadzirwa kwema molecular vapor kuburikidza nezvinhu zvekuvaka. Nepo mhute yemvura ichipararira zvishoma nezvishoma kuburikidza neyakajairwa isina kupendwa yakaoma, polyethylene mhute zvipingamupinyi zvakaiswa kuseri kwesirin'i drywall block molecular vapor migration. Magedhi, misodzi, uye mamechani asina kuvharwa kupinda mukati meiyo mhute inodzivirira inobvumira convective air currents kutiza ichipinda mudenga remba. Kaburi kadiki kasina kuvharwa kanoyera mamilimita makumi maviri nemashanu nemamirimita makumi maviri nemashanu (inchi imwe neinch) yakatenderedza bhokisi remagetsi inobvumira kusvika marita 30 (magaloni masere) emhute yemvura kuti ipinde munzvimbo yedenga risina kuchengetedzwa mukati memwaka mumwe chete wekudziya wechando.

Stack mhedzisiro inokwidziridza convective mhepo kuvuza panguva yekutonhora kwakanyanya. Nekuda kwekuti mhepo inodziya haina kusimba pane inotonhora, mhepo yemukati inokwira yakananga kunhurikidzwa dzemba, ichigadzira mweya wakanaka uchipikisana nendege yekumusoro-soro. Iyi dzvinyiriro yakanaka inogara ichimanikidza mhepo inodziya, yakanyorova yemumba kuburikidza nepakaputsika sirin'i, maburi ekunzvenga anotenderedza pombi dzepombi dzemvura, kumhanyisa chimney, zvigadziriso zvemwenje, majoini epombi epombi yekugezera, uye machira ekupinda mudenga remba. Kana iyo mhepo inonyorovesa yemhepo inosvika padenga remba, inobata inotonhora padenga sheathing, ichiburitsa mwando yakananga padanda rekushongedza kuburikidza ne sublimation, ichishandura mhute yemvura kuita ice pasina kupfuura nepakati pemvura.

Njodzi dzekudonha kwemaitiro uye hunyanzvi hwekuremedza madziro¶

Nzvimbo dzekugara dzesirin'i dzinotsamira pa 12.7-millimeter (0.5-inch) kana 15.9-millimeter (0.625-inch) gypsum drywall yakasungirirwa kune sirin'i joists kana yakagadzirwa nedenga truss pasi chords yakaparadzana 400 millimeters (16 inches) kana 600 inches (24 inches) pakati. Mabhodhi eGypsum anochengetedza simba rakanyanya rekumanikidza pasi pemamiriro akaoma, anotsigirwa nemapepa akatarisana achipa maitiro ekusimba. Kana yakazadzwa nemvura yakanyunguduka inoyerera kubva paattic insulation, crystalline gypsum inonyunguduka uye inorasikirwa kusvika ku85 muzana yesimba rayo rekusunga. Misoro yefastener inobaya nepakati yakapfava, ichibvumira sirin'i huru kuti idhonze kubva pakuumbwa pasi pehuremu hwawo.

Insulation zvinhu zvinoumba structural loading kana yanyorova. Dry loose-zadza fiberglass insulation inorema ingangoita 8 kusvika 12 kilogiramu pa cubic mita (0.5 kusvika 0.75 pounds per cubic foot), ichiita nhando yakafa mutoro padenga drywall. Kana meltwater ichizadza iyo fibrous matrix, yakasununguka-kuzadza fiberglass inobata kusvika kagumi huremu hwayo hwakaoma mumvura yecapillary. Cellulose insulation inoshanda sesiponji yakakora inotora kusvika 130 muzana yehuremu hwayo hwakaoma muhunyoro.

Plaster uye sirin'i, yakajairika mudzimba dzakavakwa 1950 isati yasvika, inoratidza hunhu hwakasiyana hwekutadza panguva yezviitiko zvekunaya kweattic. Traditional plaster makiyi chirongwa kuburikidza nemapuranga lath mitsetse kukiya plaster mabhachi panzvimbo. Kuzadzwa kwemvura kunopfavisa mabhainda akaverengerwa uye kuodza machira emapuranga, zvichiita kuti makiyi apere. Kusiyana newallwall yemazuva ano, iyo inodonha zvinooneka isati yaputsika, yachembera plaster inochekwa pakarepo pasina yambiro, ichidonhedza chunks inorema kupfuura makirogiramu makumi mana (88 mapaundi) zvakananga panzvimbo yekugara pazasi.

Inodzorwa sirin'i puncture uye yekukurumidzira mvura yekubatsira¶

Kana meltwater ichiungana pamusoro pesirin'i yakaoma, madziva emvura munzvimbo dzakaderera pakati pemajoists, achigadzira madhiri anooneka, mavara emvura akatenderedzwa, kana kudonha seams. Kusiya mvura ichiturika nechemberi kunoita kuti hunyoro hufambe munzvimbo dzakawanda dzejoist, ichizadza nzvimbo dzakakura dzeceiling drywall uye kuwedzera kukuvadzwa kwechimiro. Kuita inodzorwa yekuyamura puncture inoisa mvura munzvimbo imwechete, inodurura iyo hydraulic reservoir, uye inodzivirira njodzi yekuomesa madziro kutadza.

Sarudza yakaomesesa yepurasitiki yekubata tubhu kana mashanu-gallon bucket woiisa yakananga pasi peiyo yakaderera poindi yekudonha drywall. Kana sirin'i ichiratidza mablister akawanda anodonhera munzvimbo dzakasiyana dzejoist, gadzirira mabheseni ega ega ega ekuora mwoyo kwakasiyana. Usambofa wakamira wakananga pasi peiyo sag point paunenge uchishandisa maturusi ekuboora. Isa muviri wako, manera, uye musoro kudivi renzira yemvura kuti usadonha mvura, saturated insulation chunks, kana kutyora drywall shards.

Shandisa isiri-conductive, yakanongedza chishandiso senge insulated drywall awl, epurasitiki-mubato screwdriver, kana yakachena mbambo yakabatwa yakakiya insulated pliers. Isa chidimbu chekushandisa pakatarisana nenzvimbo yakaderera inoonekwa yekudzvinyirirwa kwewallwall, inomiririra nzvimbo yakadzika yekuunganidzira yedhamu remvura. Sunda chishandiso zvinyoro nyoro kuburikidza neyakapfava gypsum core kusvika yapinda mubepa rinotsigira. Kana muromo wadambuka, tenderedza chishandiso kugadzira nzvimbo yakachena yedenderedzwa yemvura inoyera inokwana mamirimita matanhatu kusvika gumi emamirimita (0.25 inches kusvika 0.38 inches) muhupamhi.

Bvisa chishandiso ipapo ipapo munzvimbo yako yekubata. Mvura inoyerera nemugomba murukova rwakadzikama, ichidonhedza homwe yakavharirwa pamusoro mubhaketi rako rekuunganidza. Kana rukova rukamira kamwe kamwe mvura ichiramba yakavharirwa pamusoro, mafiberglass akanyorova kana loose-fill cellulose insulation anogona kunge akavhara gomba. Isai purasitiki yakatetepa tsvimbo kana sadza rekunwira mugomba kuti ribvise chivhariso chepuragi, kudzoreredza giravhiti rinoramba richiyerera kusvikira dhamu rapera zvachose.

Attic kuchengetedza uye yakachengeteka attic yekuwana mapuroteni¶

Kupinda mukamuri repamusoro remba isina kuvharwa panguva yekunaya kwemvura kunonaya kunoda matanho akasimba ekuchengetedza kudzivirira kudonha kwakanyanya, kubata magetsi, uye kukuvara kwekufema. Saturated insulation inovanza yakachinjika sirin'i joists, magetsi epajunction mabhokisi, low-voltage wiring, uye pombi dzepombi. Kutsika pakati pemajoists padenga rakazara mvura sirin'i yakaoma kunokonzeresa kudonha nekukurumidza nepasi muimba yekutandarira pazasi, zvichikonzera kukuvara kwakanyanya mumuviri kana kufa.

Svika mudenga remba uchishandisa nhanho yakatsiga, yakakiyiwa yakamisikidzwa yakananga pasi pegomba rescuttle. Usambofa wakatsika pane isina kusimba yekupinda yeattic chivharo kusvika waratidza kutendeseka kwayo kubva pamanera. Paunenge uchikwira munzvimbo yedenga remba, isa tsoka dzako chete pamitsetse yepakati pehuni yakasimba sirin'i joists kana enjiniya truss pasi chords. Takura mapuranga maviri kana matatu ekufamba, akadai se 19-millimeter (0.75-inch) kunze-giredhi plywood mitsetse inosvika 400 millimita yakafara nemamita 1.2 kureba (16 inches yakafara nemamita mana kureba).

Rongedza mabhodhi aya ekufamba achiyambuka inokwana majoists matatu kuti ugovane huremu hwemuviri zvakaenzana paframing usati wapinda mukati memba yedenga. Chengetedza kuenderera mberi kwematatu-mapoinzi pese paunenge uchifambisa nepadenga-pachena trusses. Ongorora nzira yako pamberi pezvipikiri zvedenga zviri pachena zvinopinda nepadenga remba. Kupfeka ngowani yakaoma kana kuti bump cap inodzivirira kutemwa kwemusoro uye kuboora maronda kubva kune akapinza zvipikiri anobudira pasi kubva padenga remba.

Kuongorora mvura yemudenga kana padenga rekunze rinodonha¶

Kusiyanisa pakati pemvura yeattic uye yekunze inodonha yedenga inodonha inodiwa kuti usarudze nzira dzekugadzirisa. Kuisa tarps pamusoro pedenga rekunze shingles kana kuvhara kunze kupenya kwekunze hakuzomise kunaya kweattic, sezvo mvura inotangira mukati memba. Ukuwo, kutadza kuziva chimuney chakatsemuka chichipenya kana kushaikwa shingle zvinozokonzera mafashamo emvura anodzokororwa panguva yekunaya kwemvura.

Ongorora matipi akabudikira embambo dzedenga dzinobaya nepakati pedenga remba. Mune mamiriro ekunaya kwedenga, aya matipi ezvipikiri anoita semabhiriji ekupisa, achiitisa kunze kutonhora kwekunze kwakadzika mukati medenga remba. Munguva yekutonhora kwemhepo, mwando unotonhora nekukurumidza uchipikisa zvisungo zvesimbi izvi, zvichigadzira icicles akasiyana kana makristasi echando anonzi shingle nail sweat. Kana denga remba richidziya tembiricha, chipikiri chega chega chinotanga kudonha mvura panguva imwe chete, zvichigadzira dutu remukati remvura rinowira pasi pese pese pese pedenga remba yekuvharisa.

Ongorora minda yakafara ye oriented strand board (OSB) kana plywood decking pakati pematanda. Kana nzvimbo inoyerera ichiratidza yunifomu yechando chiri kunyunguduka, tsanga dzehuni dzakasviba pamativi akati wandei ari padyo, uye madonhwe emvura achiumba pameso ese, uri kuona kunaya kwepasirese. Kana sheathing ikaramba yakaoma kumativi makumi mapfumbamwe neshanu muzana edenga remba apo nzira imwe chete yakasviba, yakazara mvura inotangira papombi yepombi yepombi, chimney cricket, kana padenga remupata, dambudziko nderekudonha kwedenga rekunze kunoda kugadziriswa kwekunze kunopenya.

Saturated insulation extraction uye joist drying¶

Gadzirira mabhegi ekuchenesa anorema 6-mil polyethylene makontrakta mukati memba yedenga. Usafe wakadhonza insulation yakasununguka yakanyorova munzvimbo dzekugara usingaisi chisimbiso mukati memabhegi anodzivirira kutakura. Kukweva tambo dzakanyorova dzinoteedzera hunyoro hwakasvibiswa, spores dzeforoma, uye dzinobvarura pauriri hwakapera uye makapeti. Pfeka zvivharo zvinodzivirirwa zvinoraswa, inorema nitrile kana magurovhosi ematehwe, uye yako N95 kana P100 yekufemerera mukati mekubvisa.

Nyatsosimudza zviremwaremwa zvefiberglass zvakanyorova nemaoko, uchitenderedza bhati imwe neimwe mukati mukati mayo kuti ive nemvura isina kusimba usati waiisa mubhegi rekondirakiti. Pakufuridzirwa-mukati-yakasununguka-kuzadza cellulose kana yakasununguka-kuzadza fiberglass, shandisa foshoro yepurasitiki yakaoma yezviyo kana inorema-basa inonyorova-yakaoma vacuum yakashongedzerwa neyakatsetseka yeHEPA exhaust sefa. Scoop saturated cellulose pasi kune isina chinhu drywall pamusoro, uchichenjerera kuti usakwenya iyo yakapfava gypsum board. Zadza makontrakta mabhegi asingapfuure nepakati kuti uchengetedze huremu hwebhegi remunhu hunokwanisa kutakurwa zvakachengeteka pasi pedenga rekupinda manera.

Ratidza nzvimbo yese yepamusoro yesirin'i yekumisikidza uye drywall pane chero nzvimbo inoratidza hunyoro hwekuverenga pamusoro pekutanga. Bvisa imwe perimeter ye600 millimeters (24 inches) kupfuura iyo inooneka yemvura inotenderera kuti ibudise pachena sirin'i majoist nemaplateti epamusoro kumhepo inofamba. Ongorora mafuremu emapuranga asina kuvharwa kuti aone kuora kwagara kuriko, kusakura kwehuni, kana kupatsanurwa. Rasa saturated cellulose insulation zvachose, nekuti blown-in cellulose haigone kuomeswa panzvimbo zvinobudirira kana zvidziviriri zvemoto zveborate zvasukwa nepamatrix.

Kunyatsoomeswa kwechimiro chechimiro chinoda kumisa nharaunda yekuomesa ine hukasha inomanikidza hunyoro hwecapillary kubva mumatanda ane dimensional uye enjiniya truss mahwendefa. Howa dzinoora huni dzinowanda kana mwando wehuni ukapfuura 20 muzana, ukuwo zvipfukuto zvichimera pakunyorova kusvika pazvikamu gumi nezvitanhatu kubva muzana. Tumira nyanzvi yepini-mhando kana pinless huni hunyoro mamita kumisikidza kuverenga kwekutanga pane ese akakanganisika uye asina kukanganiswa matanda epaattic. Kuomeswa kwemaitiro kunofanirwa kuenderera mberi kusingakanganiswe kudzamara hunyoro hwehunyoro hwemukati mese majoists, trusses, uye sheathing dzadzika pasi pe15 muzana, paine chinangwa chechimiro chakanaka chegumi nemaviri muzana.

Kuisa high-velocity centrifugal kana axial air movers munzvimbo yekugara pasi pesirin'i uye, pazvinogoneka, nepamapuranga akachengeteka epadenga remba. Nangisa kuyerera kwemhepo yakakwira nepakati nepakati pemapuranga akanyorova anoumba nhengo pakona kuti agadzire inoenderera muganhu-layer mhepo turbulence, iyo inomhanyisa kubuda kwepasi. Munzvimbo yekugara pazasi pesirin'i yakakuvadzwa, isa indasitiri yeLow-Grain Refrigerant (LGR) dehumidifier. LGR dehumidifiers inoenderera mberi nekubvisa hunyoro zvakanaka kunyangwe kana hunyoro hwemukati hwemukati hukadzikira pasi pe40 muzana, ichidzikisa dova remukati memukati uye kuburitsa mwando kubva mune zvasara zvekuvakisa.

Kuziva uye kuvhara mhute inovharira mhepo inodarika¶

Kugadzirisa kukuvadzwa kwemvura uye kuomeswa kweattic framing kunongogadzirisa zviratidzo zvekunaya kweattic. Kana nzvimbo dzinopfuura nemumhepo dzinofamba dzakavhurika, mhepo inodziya yemukati inoyerera ichipinda mudenga remba panguva yechando chakadzika chinotevera, ichivakazve matanda akakora echando anozofashamira imba pakunyorova kunotevera. Kubvisa mvura yemudenga zvachose kunoda kuziva uye kuisa chisimbiso yega yega nzira yemhepo inopinda mundege yedenga.

Exhaust fan housings inopa yakanyanya kuoma sosi yekunyorova kweattic. Bathroom exhaust mafeni anowanzo ratidzira akasununguka madhaivhi ekubatanidza, asina-insulated anochinjika ductwork, uye backdraft madhamu anonamira akavhurika ne lint. Kana shawa inopisa inonaya, zviuru zvemacubic metres emhepo yakazara neutsi zvinopinda nemumapepa asina kuvharwa makora achipinda munzvimbo inotonhora yedenga remba. Uninsulated aruminiyamu ducts anomhanya nepainotonhora machubhu anoita semachubhu anotsikitsira, achizadza nemvura yemvura inomhanya ichidzokera kusirin'i kana kuti inoputika nepamajoini akananga mukati memba yekuvharisa.

Mapombi anopinza mapombi, mawaya emagetsi kudzingirira, uye madziro ekukamura zvimiro zvinovanza makomba akashama akatwasuka anotambanuka kubva mudzimba dzepasi akananga mudenga remba. Vagadziri vepombi nevagadziri vemagetsi vanogaroboora makomba akawandisa kuburikidza nemaitiro maviri epamusoro ma plates kuenda kunzira 50-millimeter (2-inch) kana 75-millimeter (3-inch) pombi dzepurasitiki nemagetsi cabling. Kudzingirirana kwakatwasuka uku kunoita sechimuni chinodziya, kukwevera mweya unodziya, unonyorova uchikwira kubva mumakomba emadziro uye woubudisira muimba yepamusoro. Ongorora yega yega yemukati partition yekumusoro ndiro iri pasi pemba yekuvharisa, uchitarisisa kune akadonhedza sofits pamusoro pemakabhati ekicheni uye maframe ekudzinganisa kuseri kwebhavhu.

Attic ventilation dynamics uye kuenzanisa¶

Nepo kuvharika kwemhepo kuchimisa kupinda kwemwando, kufefetedza kwemukati medenga kunobvisa hunyoro hunenge hwasara hunopinda mukamuri repamusoro kuburikidza nekufamba kwechimiro kana kupararira kwemhute. Attic ventilation inoshanda pane yakasikwa convection uye mhepo-induced pressure differentials: mhepo inotonhorera yekunze inopinda nekuenderera mberi soffit intake vents iri padenga remba, inodziya zvishoma kubva pakurasikirwa kudiki kwekupisa, inotora hunyoro hwehunyoro, uye inobuda nepamhepo inoputika, static denga remba, kana gable mavhari ari panzvimbo yepamusoro pedenga reimba.

Makodhi ekuvaka anotsanangura zvinodikanwa zvekufemesa kweattic uchishandisa iyo Net Yemahara Vent Area (NFVA) chiyero, inomiririra iyo yakazara isina kuvharika nzvimbo yakavhurika inowanikwa yekufambisa kwemhepo kuburikidza nemhepo yakavharwa kana yakavhenekwa. Makodhe mazhinji emazuva ano ekugara anoraira chiyero cheNFVA che1:300 kana 1:150 yenzvimbo yese yeuriri hwedenga. Mumamiriro okunze anotonhora anowanzo kunaya kwepamusoro pemvura, kuchengetedza chiyero cheNFVA che1:300 chinogamuchirwa chete kana Kirasi I kana Kirasi II vapor retarder yakaiswa padivi rinodziya redenga uye inosvika 50 muzana (uye isingasviki 60 muzana) yenzvimbo yese yekufemesa inopiwa nemhepo inofefetera iri padenga, nechikamu chepamusoro pedenga remba.

Isai mapurasitiki akaoma kana makadhibhodi rafter ventilation baffles mune imwe neimwe rafter kana truss bay pamwe nekunze kwekunze. Svetedza baffle pasi pakati pedenga remba kusvika yapfuura nekunze kwemadziro epamusoro ndiro pamusoro pekuvhurwa kwesoffit. Sungaidza mbariro padenga remba uchishandisa 12-millimeter (0.5-inch) heavy-duty staples kana ekunze screws. Iyo baffle inogadza inoenderera 25-millimeter kusvika 50-millimeter (1-inch kusvika 2-inch) isina kuvharika chiteshi chemhepo pakati pekuvharira uye nechepasi pedenga redenga, ichibvumira soffit mweya kufamba nepakati pegumbeze rekudzivirira kupinda muvhu repamusoro reattic.

Mechanical ventilation uye indoor humidity control¶

Kudzivirira kunaya kwedenga kunoda kudzora hunyoro hwemukati mukati mekutonhora kwechando. Nepo kunyaradzwa kwevanhu kuchiwanzofarira hunyoro hwemukati hwemukati pakati pe40 muzana kusvika 50 muzana mukati memwedzi inodziya, kuchengetedza unyoro uhu panguva yechando yakanyanya kutonhora kunovimbisa kuvaka envelope condensation. Mumamiriro ekunze anotonhora, hunyoro hwemukati hwemukati hunofanirwa kuderedzwa sezvo tembiricha yekunze inodonha.

Mudzimba dzemazuvano dzakavakwa zvakasimba, isai yakadzikama mechanic ventilation system, senge Heat Recovery Ventilator (HRV) kana Energy Recovery Ventilator (ERV). HRV inobvisa mhepo yakasakara, ine hunyoro yemukati kubva mudzimba dzekugezera uye mukicheni, inopfuudza nepakati-yekuchinjana kupisa-inopisa kusati yapisa inopinda yakaoma kunze kwemhepo yechando, uye inogovera mhepo yakachena, ine hasha mudzimba dzekurara nenzvimbo dzekugara. Kushandisa HRV mune inoenderera yakaderera-speed mode kana automated high-speed dehumidistat mode munguva yechando inochengetedza kuenderera kwemhepo kuchinjana, kudzikisa hunyoro hwemukati pasina kutambisa kupisa simba.

International kuvaka makodhi uye simba zviyero¶

Kuita kwehamvuropu uye kudzikamisa hunyoro hweattic kunodzorwa neakasimba epasi rese kuvaka uye makodhi ekugara. Kutevedzera mitemo iyi kunovimbisa kugara zviri pamutemo, kuchengetedzwa kwehupenyu, uye kusimba kwemaitiro munzvimbo dzakawanda.

Iyo International Residence Code (IRC) inodzora kufefetera kwedenga, kupinda kweattic, uye kuiswa chisimbiso chemhepo pasi peChikamu R806 uye Chikamu R807. Section R806.1 mandate iyo yakavharirwa attics uye yakavharirwa rafter nzvimbo dzinofanira kuve nekupinda mhepo kune imwe neimwe nzvimbo yakaparadzana nemavhuvhu ekufefetera akadzivirirwa pamusuwo wemvura nechando. Nzvimbo yakaderera yemahara yekufefetera ichava 1/150 yenzvimbo yenzvimbo inofefeterwa.

Chikamu R806.2 chinobvumira kusarudzika kuderedza nzvimbo inodiwa kusvika pa1/300, chero bedzi Class I kana Class II vapor retarder yakaiswa panzvimbo inodziya-munguva yechando yedenga munzvimbo yeClimate Zones 6, 7, ne8. Zvinodawo kuti pakati pe50 ne60 muzana yechikamu chekufemesa mhepo chinowanikwa panzvimbo yemhepo. Chikamu R807.1 chinotsanangura kuti mavhuriro emba yemba haafanirwe kunge ari pasi pe559 millimeters ne762 millimeters (22 inches by 30 inches), iri mukoridho kana imwe nzvimbo inosvikika zviri nyore, uye ine mitsetse yemamiriro ekunze uye insulated kudzivirira kupisa kwekudarika uye kubuda kwemhepo.

Nekuti kunaya kwemudenga kwakawanda kumatunhu ese eCanada, iyo National Building Code yeCanada (NBC) inomanikidza kuomarara kwemhepo inodzivirira uye zvinodiwa zvekufemesa. NBC Chikamu che9 Nzvimbo isina kuvharwa yemhepo inofefetera haifaniri kunge iri pasi pe1/300 yenzvimbo yakavharirwa sirin'i.

Mibvunzo inowanzo bvunzwa¶

Ko mvura yedenga remba inogona kukanganisa waya dzemagetsi nemafambisirwo ematunhu ekufambisa?¶

Kunyunguduka kwechando kunogara kuchidonhera mumabhokisi akaiswa sirin'i, malights akadzoserwa, uye mafeni emhepo, uko mvura inokonzera kukanganisa kwekutevera, nzendo dzepasi pefault circuit interrupter, uye galvanic corrosion pamagetsi. Kana mvura ichipinda mubhokisi remagetsi rine simba, inoumba nzira inofambisa pakati pemakondukita anopisa, waya dzisina kwayakarerekera, uye isina waya yekudzika yemhangura, ichigadzira kudziyisa kunodzivirira, arcing, uye maseketi mapfupi anoridza fuse yebazi kana rwendo rwedunhu mabreak pane main panel. Nzungu dzewaya dzakaora uye kuvharwa kwewaya kwemvura kunofanirwa kubviswa simba, kuomeswa, uye kuongororwa nemunhu ane rezinesi ane rezinesi simba risati radzoserwa, sezvo yakavanzika yemukati oxidation mukati me switch uye splices inogadzira njodzi dzenguva refu dzemoto wemagetsi.

Ndingaziva sei kana mvura yemudenga ichibva kumvura yedenga kana kuti dhamu rechando?¶

Mvura inonaya padenga remba yakapamhama mukati menguva yechando inonaya kamwe kamwe ichitevera kutonhora kwakanyanya kwepasi-zero, ichiratidza seyunifomu inodonha kubva munzvimbo dzakawanda dzembambo dzedenga pasina kuda kuungana kwechando padenga remba. Madhamu echando, nekusiyana, anoitika kunze kwedenga remba, mipata, uye magita apo chando chinonyunguduka chinodzika nemateru edenga, chinonyunguduka pamusoro pemvura inotonhora isina kupisa, uye inogadzira murwi wechando unomanikidza kuunganidzwa kwemvura kumashure pasi pemashingles. Kana kusvibiswa kwemvura kwakanyatso kutevedza kunze kwemadziro emadziro akananga pasi pemagata akazadzwa neaizi, chikonzero idhamu rechando, nepo kudonha kwakapararira mukati mesirin'i yepakati, zvigadziriso zvemwenje yemukoridho, uye madziro emukati ekukamura anoratidza kunaya kwemudenga kunogadzirwa nemhute inovharira mhepo.

Sei mvura yedenga remba yakaitika mumusha wangu uchangobva kuvakwa?¶

Dzimba dzichangovakwa dziri panjodzi yekunaya mvura yemudenga nekuti mahamvuropu ezvivakwa emazuva ano anovakwa asingapindi mhepo, achiteya hunyoro hwakakura hwekuvaka mukati mekongiri faundesheni slabs, matanda ekumisikidza, uye drywall komboni mukati memwaka miviri yekutanga yekudziya. Imba nyowani inogona kuburitsa zviuru zvemarita emhute yemvura munzvimbo yekugara sezviuru zvemakirogiramu ekongiri yekugadzira uye matanda ekurapa uye kuoma munguva yekutanga yechando. Kana vatengesi vakacheka mapindiro asina kuvharwa kuburikidza nesirin'i vapor barriers yekuvhenekesa zvakare, mechanical HRV ducting, kana smart-home wiring, iyo yakakwira-vhoriyamu yemukati mwando inokurumidza kupinda mukati medenga remba kuburikidza ne stack effect, kutonhora nekutonhora kwemvura uye kuburitsa mvura yedenga remvura panguva yekutanga huru yekunaya kwechando.

Ndinogona kupfapfaidza furo rakavharika padenga remba kuti ndigadzirise kunaya kwemba?¶

Kuisa yakavharwa-sero spray polyurethane foam yakananga kuzasi kwedenga sheathing kunogadzira isina kuvhurika conditioned attic assembly, iyo inobvisa inotonhora inotonhora uye inodzivirira kunaya kweattic kana ikaurayiwa zvinoenderana nezvinodiwa zvekuvaka kodhi. Nekudaro, iyi retrofit inoda kuvharika zvachose mavhavha edenga aripo, kuvhara masofit mazaru, insulating gable madziro, uye kuona kuti iyo yekupfapfaidza furo ukobvu inosangana neiyo yemuno simba kodhi mishoma yekudzivirira iyo inodzoreredza nzvimbo kuti isachinjike mukati mefuro core. Kusandura imba yedenga iripo kuita gungano risina kuvhurika ishanduko yesainzi yekuvaka iyo inofanirwa kuverengera mechanical HVAC ventilation, yemukati humidity control, uye yemuno zvipingamupinyi zvinobatidza moto zviyero kwete chigamba chinokurumidza pamusoro pekunyorova kwemafuremu.

First aid certification¶

Kugadzirisa hunyoro hwepaattic kunosanganisira kukwira manera, kufamba-famba, kubata njodzi dzemagetsi, uye kushanda munzvimbo dzakavharirwa dzine zvinokonzeresa kufema. Njodzi munzvimbo idzi dzinogona kukonzera kudonha kunotyisa, maronda akadzika kubva padenga rezvipikiri, kuvhunduka kwemagetsi, uye kusagadzikana kwakanyanya kwekufema. Wese muridzi wezvivakwa, maneja wezvivakwa, uye tekinoroji wekugadzirisa anofanirwa kuchengetedza chitupa chazvino murubatsiro rwekutanga rwemunhu mukuru, cardiopulmonary resuscitation (CPR), uye otomatiki ekunze defibrillator (AED) mashandiro. Zvidzidzo zvechimbichimbi zvinopihwa nemasangano akadai seAmerican Red Cross, St John Ambulance, Canadian Red Cross, kana vadzidzisi vemunharaunda vane certified vanodzidzisa nzira dzakakosha dzekuchengetedza hupenyu, kusanganisira kudzora kubuda ropa, kugadzikana kwepelinha kune vakawirwa nenjodzi, kupisa kurapwa, uye kupora kwakaringana kusvika pachiitiko.

Kwatariswa¶

• American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). Handbook of Basics, Chitsauko 25: Kupisa, Mhepo, uye Kudzora Unyoro muMagungano Ekuvaka.
• National Research Council Canada (NRC-IRC). Attic Ventilation uye Moisture Control muCold Climates, Kuvaka Technology Updates.
• International Code Council (ICC). 2024 International Residential Code (IRC), Chikamu R806 (Roof Ventilation) uye Chikamu R807 (Attic Access).
• International Code Council (ICC). 2024 International Energy Conservation Code (IECC), Chikamu R402.4 (Air Leakage).
• British Standards Institution (BSI). BS 5250: 2021 Kutarisira Kunyorova muZvivakwa: Kodhi yeMaitiro.
• Inishuwarenzi Institute yeBhizinesi uye Dziviriro Yepamba (IBHS). Kudzivirira Kunyorova kweAttic uye Madhamu Echando muKutonhora Kwemamiriro ekunze.
• Kuvaka Sayenzi Corporation (BSC). Ruzivo Pepa 401: Kunzwisisa Attic Ventilation uye Air Leakage Control.

Mazano anoenderana¶

• Ceiling Collapse kubva kuWaterlogged Drywall uye Plaster Sagging
• Bathroom Exhaust Fan Attic Vent Condensation Kunaya uye Overheated Motor Moto
• Attic Ridge Vent kana Gable Vent Wind-Driven Snow Infiltration
• Burst Mvura Pipe Emergency Kugadzikana uye Kuzviparadzanisa nevamwe
• Mold Remediation uye Structural Drying Protocols Mushure meKukuvadzwa Kwemvura