Ukufakwa kwe-polyurethane spray foam sekuthandwa kakhulu ngenxa yezakhiwo zayo zokufaka ugesi ezisezingeni eliphezulu kanye nokusebenza kahle kwamandla. Kodwa-ke, imibuzo ivame ukuvela mayelana nokuphepha kwayo kokubili kubafaki kanye nabahlali bezakhiwo lapho isetshenziswa khona. Ukuqonda izici zokuphepha ze-polyurethane spray foam kubalulekile ekwenzeni izinqumo ezinolwazi.
Ukwakheka Kwamakhemikhali Nokusetshenziswa Kwawo
I-polyurethane spray foam idalwa ngokuxuba izingxenye ezimbili eziwuketshezi: i-isocyanate kanye ne-polyol resin. Uma zihlanganiswa, ziyasabela ekwakheni i-foam ekhula futhi iqine ngokushesha. Ngesikhathi senqubo yokufaka, izinyathelo zokuphepha zibalulekile ngoba amakhemikhali ahilelekile angaba yingozi esimweni sawo esingalapheki. Abafaki kumele bagqoke imishini yokuzivikela efanele (i-PPE), okuhlanganisa nemishini yokuphefumula, amagilavu, kanye nezingubo zokuzivikela, ukuze bagweme ukuchayeka entuthwini eyingozi kanye nokuxhumana nesikhumba.
Ikhwalithi Yomoya Ongenagesi kanye Nokungangeni Kwegesi
Enye yezinto ezibangela ukukhathazeka ngokuphepha okuyinhloko okuhlobene nokufakwa kwe-polyurethane spray foam ukukhishwa kwegesi. Ukukhishwa kwegesi kubhekisela ekukhishweni kwamakhemikhali e-volatible organic (ama-VOC) njengoba i-foam yelapha. Ukungena komoya okwanele ngesikhathi nangemva kokufakwa kungaholela ekugcwaleni okuphezulu kwe-VOC, okungase kubangele izinkinga zokuphefumula, ukucasuka kwesikhumba, nezinye izinkinga zempilo. Ukuze kuncishiswe lezi zingozi, kunconywa ukuthi kuphume endaweni ngesikhathi sokufakwa kanye nesikhathi esithile ngemva kwalokho ukuqinisekisa ukuthi i-foam ifakwa kahle futhi iphola kahle.
Ukuphepha Kwesikhathi Eside
Uma selapheke ngokuphelele, i-polyurethane spray foam ngokuvamile ibhekwa njengephephile. Yakha isakhiwo esizinzile, esingenawo umoya esingakhiphi amakhemikhali ayingozi ngaphansi kwezimo ezijwayelekile. Kodwa-ke, kubalulekile ukuqinisekisa ukuthi i-foam ilapheke ngokuphelele. Ukufakwa okungalungile noma ukusebenzisa izilinganiso ezingalungile zezingxenye zamakhemikhali kungabangela ukuwohloka okungaphelele, okuholela ekuvezweni kwesikhathi eside kwezinto eziyingozi.
Ukuphepha Komlilo
Ukufakwa kwe-polyurethane spray foam kuyavutha futhi kumele kumbozwe ngesithiyo esingashisi, njenge-drywall, ukuze kuhlangatshezwane nemithetho yokwakha kanye nezindinganiso zokuphepha. Abakhiqizi bavame ukufaka izinto ezivimbela umlilo ku-foam ukuze bathuthukise ukumelana kwayo nomlilo, kodwa lezi zithasiselo azenzi i-foam ingashisi ngokuphelele. Ukufakwa okufanele kanye nokunamathela eziqondisweni zokuphepha kubalulekile ekunciphiseni izingozi zomlilo.
Izinto Ezicatshangelwayo Ngezemvelo
Nakuba i-polyurethane spray foam iyindlela yokuvikela ephumelelayo, inemiphumela emvelweni. Inqubo yokukhiqiza ihilela amakhemikhali atholakala kuphethiloli, kanti ezinye izinto ezifuthayo ezisetshenziswa ukwandisa i-foam zingabangela ukufudumala komhlaba. Kodwa-ke, intuthuko ekubunjweni kwayo iholele ezinkethweni ezinobungani nemvelo, njengezithako ezifuthayo ezipheshulwa ngamanzi noma eziphansi ze-GWP (global warming potential).
Isiphetho
Ukufakwa kwe-polyurethane spray foam kuphephile uma kufakwa futhi kusingathwa ngendlela efanele. Umoya owanele, amasu okufaka afanele, kanye nokunamathela eziqondisweni zokuphepha kubalulekile ukunciphisa izingozi zempilo ngesikhathi sokufakwa. Uma sekwelaphekile, i-foam iyazinza futhi inegalelo ekusebenzeni kahle kwamandla, okwenza kube ukukhetha okuwusizo kokufakwa kwe-insulation. Kulabo abakhathazekile ngomthelela wemvelo, ukufuna amafomula aluhlaza kunganikeza ukuthula kwengqondo okwengeziwe. Njalo xhumana nabafaki abangochwepheshe futhi ulandele izincomo zomkhiqizi ukuqinisekisa ukusetshenziswa okuphephile nokuphumelelayo kokufakwa kwe-polyurethane spray foam.
Isikhathi sokuthunyelwe: Juni-18-2024