Ntoo yog cov khoom siv tseem ceeb hauv kev tsim vaj tsev hauv nroog suburban. Cov khoom muaj sia nyob, qiv nws tus kheej zoo rau kev ua haujlwm, nyob rau hauv ib lub tsev ntoo nws yog sov nyob rau hauv lub caij ntuj no thiab txias nyob rau hauv lub caij ntuj sov. Txawm li cas los xij, ntoo muaj ntau yam yeeb ncuab uas nws tuaj yeem cuam tshuam loj heev. Cov no yog, ua ntej ntawm tag nrho cov, cov kab mob fungal uas nyob thiab sib npaug ntawm cov ntub dej, qhuav ntawm cov ntoo ntawm lub tsev. Nceb kis tau ntoo thiab tig mus rau hauv plua plav tsis pub dhau peb mus rau plaub lub hlis. Nyob rau hauv xws li mob, ceev impregnation ntawm ntoo los ntawm lwj yog yuav tsum tau. Cov txheej txheem ntawm kev lwj ntawm cov ntoo ntub dej ntawm lub tsev yog ib ntus, thiab thaum nws tau pib, nws twb tsis tuaj yeem nres nws.
Lwm tus yeeb ncuab txaus ntshai ntawm cov tsev ntoo yog cov kab tho ntoo. Impregnation ntawm ntoo kuj yuav cawm tau lawv ntawm lawv. Muaj ob peb hom kab, tab sis kab tsuag ua ib txoj hauj lwm, tig ntoo ua hmoov. Lub hauv paus ntsiab lus ntawm kev ua haujlwm yog tib yam rau txhua tus: beetles gnaw los ntawm ntau cov kab lus winding nyob rau hauv thickness ntawm cav, kab teeb thiab boards. Ntoo yog systematically tab sis inevitably tawm tsam, thiab kab yeej ib txwm yeej. Thiab woodworms tomtsuas yog nyob rau hauv cov khoom qhuav uas yooj yim rau zom. Yog li ntawd, ib tsob ntoo ntub yog nquag rotting, thiab ib tug qhuav yog puas los ntawm bark beetles. Puas muaj txoj hauv kev tawm ntawm lub voj voog phem no?
Nws yog qhov tsim nyog rau lub sijhawm los tiv thaiv kev cuam tshuam ntawm cov kab mob uas ua rau lwj, thiab kev tawm tsam ntawm cov kab tho ntoo uas tig ntoo rau hauv sawdust. Ua li no, ntoo yog impregnated, tab sis ua ntej lub lumber yuav tsum tau qhuav. Nws yog qhov zoo dua los ua kom tiav cov txheej txheem cov khoom npaj rau kev tsim lub tsev, thiab tsuas yog tom qab ntawd pib tsim kho. Peb qhuav cov ntoo, thiab tom qab ntawd impregnate nrog cov sib xyaw tshwj xeeb uas yuav tsim kev tiv thaiv kev lwj thiab rhuav tshem kab.
Muaj ob hom kev ziab kom qhuav: ntuj ziab, nyob rau hauv cov boards thiab cav tau muab tso rau hauv cov pawg hauv qab lub canopy thiaj li yuav tau cua los ntawm cua rau ob mus rau peb lub hlis. Txoj kev no tsis tuaj yeem lav qhov tsis tuaj yeem ua tiav ntawm nceb, vim tias cov txheej txheem ntev dhau lawm.
Txoj kev ziab thib ob yog muab cov ntoo tso rau hauv chav kom qhuav tshwj xeeb. Rau ob peb hnub, yuam cua sov txog li 80 degrees yog khaws cia nyob rau hauv lub chamber nrog tas li cua kub. Raws li qhov tshwm sim ntawm qhov ziab, qhov tshwm sim ntawm fungi yuav luag tag nrho tsis suav nrog, thiab cov ntaub ntawv tseem qhuav rau lub sijhawm ntev. Tam sim no, rau cov ntoo uas twb muaj lawm nrog cov dej noo ntawm 20 feem pua, cov ntoo yog impregnated nrog tshuaj tua kab mob. Muaj ntau cov tshuaj tua kab mob sib txawv - cov no yog dej-soluble thiab oilytshuaj. Cov tom kawg tsis haum rau kev siv sab hauv tsev thiab yog cov khoom lag luam ntshiab vim lawv cov tshuaj lom neeg siab.
Yog li ntawd, cov tshuaj tua kab mob pheej yig tshaj plaws rau koj cov ntoo yuav yog dej-soluble. Nws yog sodium fluoride los yog sodium silicofluoride. Ob qho tshuaj tua kab mob muaj cov hmoov sib xws thiab siv hauv 4% kev daws. Muaj lwm qhov kev npaj uas ntoo tuaj yeem raug impregnated: BBK-3. Nws yog tus yam ntxwv los ntawm qhov tsis muaj tshuaj toxicity thiab yog soluble hauv dej. Tag nrho cov tshuaj antiseptic tuaj yeem siv tau zoo rau kev kho mob ntawm cov ntoo. Cov tshuaj tua kab mob yuav tsum tau siv los ntawm kev txau ntau ntawm cov ntoo saum npoo nrog lub tshuab nqus tsev lossis los ntawm smearing nrog txhuam dav. Nws yuav tsum nco ntsoov tias cov txheej txheem ntau dua, qhov ua tau zoo ntawm cov tshuaj tua kab mob yuav zoo dua thiab cov tshuaj tob dua yuav nkag mus rau hauv cov ntoo tuab. Tsuas yog kev sib sib zog nqus ntawm ntoo tuaj yeem tiv thaiv koj lub tsev los ntawm cov kab mob thiab pwm.
