1. Kev Taw Qhia: Qhov Teeb Meem Ntawm Cov Dej Num Intrusion
Cov qauv txheej txheem ntawm lub lawj- suav nrog cov joists, kab teeb, thiab cov ntawv sau npe - yog qhov yooj yim rau cov dej noo. Txawm hais tias siv lub siab- kho ntoo, dej tseem yog tus yeeb ncuab tseem ceeb. Moisture accumulates nyob rau saum npoo ntawm cov tswv cuab los ntawm ntau txoj kev:
Direct Exposure:Qhov sib txawv ntawm decking boards tso cai rau nag thiab daus kom poob ncaj qha mus rau cov joists hauv qab no.
Capillary Action:Cov dej tuaj yeem nkag mus rau hauv cov nplej kawg thiab los ntawm qhov fasteners qhov.
Trapped Debris:Nplooj, ntoo thuv koob, thiab lwm yam khoom khib nyiab khaws cia ntawm cov joists khaws cov dej noo, tsim kom muaj qhov chaw ntub dej txhua hnub.
Qhov dej tsis tu ncua no ua rau ntoo rot, pwm, thiab fungal loj hlob, cuam tshuam lub lawj lub zog thiab kev nyab xeeb. Cov ntawv sau npe, qhov twg lub lawj txuas rau lub hauv paus qauv, tshwj xeeb tshaj yog qhov tseem ceeb, vim tias kev lwj ntawm no tuaj yeem ua rau muaj kev puas tsuaj loj.
2. Dab tsi yogDeck Joist Daim kab xev?
Deck joist daim kab xev yog tus kheej - nplaum, yoog raws daim nyias nyias tsim tshwj xeeb rau daim ntawv thov no. Nws yog feem ntau muaj nyob rau hauv yob ntawm 2 mus rau 6 nti nyob rau hauv dav. Ob lub ntsiab formulations yog:
Butyl Roj Hmab:Paub txog nws zoo heev ntev -lub sij hawm elasticity, superior adhesion, thiab tsis kam mus rau UV hluav taws xob thiab kub heev. Butyl-raws li daim kab xev nyob twj ywm pliable rau ntau xyoo lawm, haum rau lub ntuj expansion thiab contraction ntawm ntoo.
Hloov kho Asphalt (Modified Bitumen):Tus nqi -txoj kev siv tau zoo uas muab cov dej thaiv dej ruaj khov. Thaum ua tau zoo, qee cov asphalt-raws li cov khoom lag luam tuaj yeem hloov pauv tau tsawg dua lub sijhawm thiab muaj kev cuam tshuam ntau dua rau UV degradation yog tias tsis tiv thaiv los ntawm decking.
Ob hom yog ntxiv dag zog rau cov scrim los yog laminate (feem ntau aluminium los yog polymer) los muab lub zog tensile, tsim kua muag, thiab yooj yim ntawm kev tuav thaum lub sij hawm installation.
3. Cov txheej txheem ntawm kev tiv thaiv
Joist daim kab xev ua haujlwm raws li seamless, impermeable barrier uas tiv thaiv qhov tsis zoo tshaj plaws ntawm cov ncej ntoo:
Sealing Fastener Penetrations:Lub luag haujlwm tseem ceeb tshaj plaws ntawm joist daim kab xev yog kaw lub qhov uas tsim los ntawm lawj screws lossis rau tes. Thaum lub fastener yog tsav los ntawm daim kab xev thiab mus rau hauv cov ntoo, daim kab xev cov ntaub ntawv malleable tsim ib tug nruj, gasket -zoo li foob nyob ib ncig ntawm lub shank, tiv thaiv dej los ntawm kev mus rau hauv cov ntoo fiber.
Tiv thaiv qhov tseem ceeb saum npoo:Nws npog cov kab rov tav saum npoo ntawm qhov joist, uas feem ntau raug rau cov dej poob thiab cov khib nyiab. Qhov no tiv thaiv ya raws los ntawm absorbed ncaj qha mus rau hauv cov ntoo saum npoo grain.
Shielding End Grain:Ntawm qhov kawg ntawm joists thiab txiav nyob ib ncig ntawm kev thaiv, daim kab xev tiv thaiv cov qoob loo uas nqus tau zoo heev, qhov tseem ceeb nkag rau cov dej noo.
4. Cov chaw siv tseem ceeb
Cov txheej txheem taping zoo npog tag nrho cov kab rov tav framing:
Ledger Board:Ib qho tseem ceeb tshaj plaws los tiv thaiv. Tag nrho saum npoo yuav tsum tau them ua ntej txuas mus rau lub tsev thiab ua ntej txhim kho qhov flashing.
Joists:Sab saum toj flange ntawm txhua joist yuav tsum tau tag nrho taped raws nws tag nrho ntev.
Beams:Tag nrho cov kab teeb tseem ceeb thiab theem nrab yuav tsum muaj kev tiv thaiv tib yam ntawm lawv qhov chaw saum toj kawg nkaus.
Blocking/Bridging:Sab saum toj ntawm tag nrho cov ntoo blocks ntsia nruab nrab ntawm joists rau stability yuav tsum tau taped.
Rim Joists:Qhov saum npoo ntawm lub npoo sab nrauv yog sib npaug thiab yuav tsum tau npog.
5. Kev teeb tsa zoo tshaj plaws
Kev txhim kho kom zoo yog qhov tseem ceeb rau kev ua haujlwm:
Kev npaj nto:Cov ntoo yuav tsum huv, qhuav, thiab tsis muaj av, plua plav, thiab sawdust. Txhua lub zeb glaze ntawm lub siab-kho ntoo yuav tsum maj mam sanded kom zoo adhesion.
Daim Ntawv Thov:Unroll daim kab xev raws qhov nruab nrab ntawm lub joist sab saum toj ntug. Siv lub zog ruaj khov raws li tag nrho ntev, ua kom muaj kev sib cuag nrog ntoo thiab tsis muaj cua npuas lossis wrinkles. AJ- cov menyuam tuaj yeem siv tau rau kev ua tau zoo.
Overlap thiab Continuity:Ntawm cov pob qij txha thiab cov ces kaum, qhov sib tshooj ntawm yam tsawg kawg 2 ntiv tes raug pom zoo kom tswj tau qhov thaiv tsis tu ncua.
Sijhawm:Joist daim kab xev yuav tsum tau thov tam sim ntawd tom qab lub thav duab yog tsim thiab squared, thaum ntoo yog siv tau thiab ua ntej yuav decking yog ntsia.
6. Cov lus xaus
Deck joist daim kab xev tsis yog ib qho khoom siv xwb tab sis yog ib qho tseem ceeb ntawm kev ruaj khov, code- raws li kev tsim kho lub lawj. Qhov nyias nyias, ua ntej - tsim daim nyias nyias ua haujlwm ua thawj thiab zoo tshaj plaws ntawm kev tiv thaiv cov dej noo uas inevitably ua rau cov ntoo lwj. Los ntawm kev nqis peev nyob rau hauv lub siab - zoo butyl los yog cov ntaub nplaum asphalt thiab txhim kho nws kom zoo, cov neeg tsim khoom thiab cov tswv tsev tuaj yeem ua kom ntev lub neej kev pab cuam ntawm lub lawj, khaws nws cov qauv kev nyab xeeb, thiab tiv thaiv kev kho kom zoo rau yav tom ntej. Nws sawv cev rau tus nqi qis tshaj plaws rau lub sijhawm ntev heev - lub sij hawm rov qab los ntawm kev nqis peev hauv lub neej ntev thiab kev ruaj ntseg ntawm cov qauv.