Ukubaluleka Kwezindlela Ezifanele Zokufaka Isicelo Zokufutha Igwebu le-PU

I-spray polyurethane foam (SPF) iyinto ethandwayo yokufakwa kwe-insulation yazo zombili izakhiwo zokuhlala nezokuhwebelana ngenxa yezakhiwo zayo ezinhle kakhulu zokumelana nokushisa. Uma isetshenziswe kahle, igwebu lesifutho lingasiza ukuthuthukisa ukusebenza kahle kwamandla, ikhwalithi yomoya, kanye nokunethezeka okuphelele kwesakhiwo. Kodwa-ke, amasu okusebenzisa angalungile angaholela ezinkingeni zokusebenza kanye nobungozi bezempilo obungaba khona. Kulesi sihloko, sizoxoxa ngokubaluleka kwamasu okusebenza afanelekile wokufutha igwebu le-PU ukuze kuqinisekiswe ukusebenza kahle nokuphepha.

Ukuqonda Spray PU Foam

Igwebu le-polyurethane elifuthayo liyi-insulator esebenza ngezindlela eziningi eyenziwe ngokuxuba izingxenye ezimbili, i-isocyanate ne-polyol resin, endaweni yomsebenzi. Lapho lezi zingxenye ezimbili zixutshwa ndawonye, ​​ziyasabela futhi zande zenze igwebu eliqinile elinamathela endaweni. Kunezinhlobo ezimbili eziyinhloko ze-SPF: iseli elivaliwe kanye neseli elivulekile. Igwebu lamaseli avaliwe liminyene futhi linenani elingu-R eliphakeme, okulenza lifaneleke ezindaweni ezidinga amanani aphezulu wokwahlukanisa. Igwebu elivulekile leseli lilula futhi linenani elingu-R eliphansi kodwa lingcono ekuvimbeni umsindo futhi linikeza izici ezingcono zokuvala umoya.

Ukuphatha ngendlela efanele kanye nokusetshenziswa kwegwebu le-PU lesifutho kubalulekile ukuze kuqinisekiswe ukuthi igwebu lelapheka ngendlela efanele futhi lihlinzeka ngezinto ezifiselekayo zokugqumisa. Amaphutha okufaka isicelo angaholela ekuvakeleni okunganele, ukunganamatheli kahle, kanye nokukhishwa kwegesi kwamakhemikhali ayingozi. Ukuze ugweme lezi zinkinga, kubalulekile ukulandela izindlela ezingcono kakhulu zokusebenzisa i-spray foam.

Ukulungiselela Ngaphambi Kokufaka Isicelo

Ngaphambi kokuqala inqubo yokufaka i-foam ye-spray, kubalulekile ukulungisa indawo yokusebenza kahle. Lokhu kuhlanganisa ukuhlanza indawo ukuze kufakwe amagwebu, ukususa noma yiluphi uthuli noma imfucumfucu engathinta ukunamathela. Kubalulekile futhi ukuvikela izindawo ezizungezile kanye nezinto okungafanele zihlangane negwebu. Itheyiphu yokufihla ubuso kanye namashidi epulasitiki kungasetshenziswa ukumboza amafasitela, iminyango, nezinye izindawo lapho kungafanele kufakwe igwebu. Okokugcina, qinisekisa ukungena komoya ngendlela efanele endaweni yokusebenza ukuze uvimbele ukunqwabelana kwentuthu ngesikhathi sokufafaza.

I-Spray Technique Elungile

Indlela efanelekile yokufutha ibalulekile ekufinyeleleni ukumboza okufanayo kanye nezakhiwo zokuvikela ezingaguquki. Uma usebenzisa i-spray foam, kubalulekile ukugcina ibanga elilungile phakathi kwesibhamu se-spray kanye nendawo okumele ifakwe amagwebu. Ukubamba isibhamu kude kakhulu kungabangela ukumbozwa okungalingani, kuyilapho ukusisondeza kakhulu kungaholela ekusebenziseni ngokweqile kanye nezinkinga ezingase zelaphe. Kunconywa ukuthi ufafaze ngokunyakazisa emuva naphambili, uqale phezulu endaweni futhi wehle ngendlela elinganayo. Le nqubo isiza ukuqinisekisa ukuthi igwebu lisakazeka ngokulinganayo futhi linamathele ngendlela efanele phezulu.

Izinga lokushisa kanye Nomswakama

Amazinga okushisa kanye nomswakama adlala indima enkulu enqubweni yokwelapha yesifutho se-polyurethane foam. Kubalulekile ukuhlola iziqondiso zomkhiqizi mayelana nebanga lokushisa elifanele kanye nomswakama wokusebenzisa igwebu lesifutho. Amazinga okushisa aphakeme kakhulu angathinta ukunwetshwa kwegwebu nesikhathi sokwelapha, okuholela ezinkingeni zokusebenza. Gwema ukufutha igwebu ezimweni zezulu ezishisayo noma ezibandayo futhi uqinisekise ukuthi indawo yokusebenza ishisa ngokwanele noma ipholile ukuze kugcinwe izimo zokuphulukisa ezifanele. Amazinga omswakamo aphezulu angaphinde aphazamise ukunamathela kwegwebu kanye nenqubo yokwelapha, ngakho-ke kubalulekile ukuqapha nokulawula amazinga womswakamo ngesikhathi sokufaka isicelo.

Ukuhlolwa Kwangemva Kwesicelo Nokugcinwa

Uma igwebu lesifutho selipholile, kubalulekile ukuthi uhlole indawo noma iziphi iziphambeko noma izikhala ezimboziwe. Sebenzisa ithoshi ukuze uhlole noma yiziphi izindawo lapho igwebu lingase linganwebeki ngokugcwele noma linamathele phezulu. Izikhala ezincane noma ama-voids angagcwaliswa ngegwebu elengeziwe ukuze kuqinisekiswe uphawu oluphelele. Kubalulekile futhi ukugcina igwebu ngokulihlola njalo ukuze libone izimpawu zokulimala, ukuguga, noma ukuwohloka. Ukunakekelwa okufanele kungasiza ukunweba isikhathi sokuphila sokushiswa kwegwebu lesifutho futhi kuqinisekise izinzuzo eziqhubekayo zokonga amandla.

Sengiphetha, amasu afanele okufaka isicelo abalulekile ukuze kuzuzwe ukusebenza kahle nokuphepha lapho usebenzisa isifutho se-polyurethane foam insulation. Ngokuqonda izici ze-spray foam, ukulungiselela indawo yokusebenza ngendlela efanele, usebenzisa indlela efanele yokufutha, ucabangela izinga lokushisa kanye nezimo zomswakama, futhi uhlole ukuhlolwa kwangemva kwesicelo, ungaqinisekisa ukuthi ukufakwa kwegwebu lakho kunikeza ukumelana okushisa okufunayo kanye nezakhiwo zokuvala umoya. Uma ungaqiniseki ngendlela yokufaka igwebu lesifutho ngendlela efanele, cabanga ukuqasha usonkontileka ochwepheshe onolwazi lokusebenza nge-SPF. Ukutshala isikhathi nomzamo kumasu okusebenza afanele ekugcineni kuzoholela esakhiweni esinethezekile nesiwonga amandla.