Painting Over Oil-Based Paint: Ungaita Here?

Neyo inenge yakazara chikamu-kunze kwepende yakagadzirwa nemafuta, mubvunzo wekuti iwe unogona kupora pamusoro pemafuta-based based peperesi yakakosha inokosha sezvo isingawanzoitiki. Kana imba yakwegura zvakakwana, hazvidziviriki kuti ichava nepeji inotunganidzwa pane imwe nzvimbo. Asi dzimba dzakafanana neizvi dziri kuve dzakashata sezvo vamwe varidzi veimba vachipenda pamusoro pemafuta-based based panzvimbo.

Pasi Pasi

Mafuta ari kupi?

Zvinhu zvakakosha zvakadai semasuo egonhi, window trim , baseboards, uye makikani emakicheni zvaiwanzoputirwa nemafuta-based (alkyd) pende. Sezvo izvi zvikakonzerwa nekupfeka uye kukuvadza, kuchauya nguva apo iwe unoda kuvepa zvakare.

Pane chikonzero chakanakisisa chekushandisa pepa-oil based. Inogadzikana, inosara zero marashi marashi, mapapiro, mabhu, kana masango.

Doo kamba kana firiji sills yakavezwa mupepuru yakafukidzwa nemafuta ndeye kunaka kutarisa, chivako chemuziyamu: girazi-rakanyarara uye dombo-rakaoma.

Sevhesi yechipfuva, pende yakagadzirwa nemafuta haisi kurambidzwa zvachose; unyanzvi iwe unogona kuutenga mudiki, imwechete-quart akawanda. Asi kana iwe uchienda kuchitoro chepende kana doro rekuvandudza kumba , unoona kuti pende yepafuta yakagadzikana kutenga.

Kune zvivako zvakawanda, hazvina kukodzera kuti utakure imwechete-quart yemiti-chigadzirwa icho vazhinji veimba vagari vanotsvaga kushandisa.

Chimwe chikonzero: zvinokonzerwa nehuwandu hwehupenyu (kana VOC). Kana inopera, pende inotunganidzwa nemafuta inounza boka reVOC rinokuvadza kunzvimbo. Pamunhu mumwechete, varidzi vemusha kazhinji havadi pende-mafuta yakakosha yakaoma kuchenesa nzira (mudzimu unofanirwa kushandiswa, kwete mvura).

Nzira Yokugadzirisa Nzvimbo Yayo Purojekiti Yako yeLatex-Over-Oil

1. Scuff the Surface to Remove Gloss

Uine grit rakanaka sandpaper, scuff down the surface of the oil paint layer for improved stickability.

Izvi hazvipindirani nejasi rekutanga riri mafuta-based pane kuti iyi ndiyo pirati-pamusoro peporojekiti. Kunyangwe paunenge uchishandisa mhando yakafanana yepende, hauzombofi wakabatana zvakanaka sezvaunenge uchida nekuisa pende pamatanda akavezwa.

Chinangwa chokubvisa pamusoro pehuni, kana gloss. Guruzi rakafanana neve muvengi wepende yekubatanidza semafuta.

Bvisa pira ipi zvayo isina kusimba ine shanu-in-imwe chigadzirwa kana putty banga . Zadza nehuni putty kana huni huzadza .

2. Dampu Dedza Kuchenesa Kusviba, Mold, Simba

Zvisikwa zvisina kufanira zveguruva uye tsvina zvinogona kukanganisa kukwanisa kwepende kubatisisa. Nepo iwe unogona dzimwe nguva "kubiridzira" pakuchenesa latex-over-latex mapurogiramu, chirongwa ichi chakasiyana uye chinoda kudzika zvakadzama.

Iwe uchada kuvaka nguva yekuomesa mujekiti. Shandisa jira rakasvibiswa (risina mvura) kuchenesa nzvimbo mushure mokuita sanding. Wedzera TSP (trisodium phosphate) kumvura kuti uvandudze kugadzirisa. TSP ichena yakachena, isina chepfu inopisa inowanikwa mune zvinhu zvakawanda zvekushandisa uye kugadziriswa kwemisha.

3. Iva Wakachena Kuchenesa Kubvisa Mafungiro Okupedzisira Emarara

Shandisa machira kuti udzikise pasi pasi. Mucheka isiri shoma, yakasara yakagadzirwa ne cheesecloth yakasanganiswa neakisi. Simba rayo rakanyanyisa rakanyatsopisa kubvisa ma motes ekupedzisira. Usafukura zvakare zvakaoma. Kushandisa kushungurudzwa kwakaoma kuchaguma nekusiya wax pamusoro - zvakaoma kubvisa.