Ukufakwa kwefoam yesipreyi se-polyurethane kuye kwathandwa kakhulu ngenxa yeempawu zayo zokukhusela ezikumgangatho ophezulu kunye nokusebenza kakuhle kwamandla. Nangona kunjalo, imibuzo ihlala iphakama malunga nokhuseleko lwayo kubafaki kunye nabahlali bezakhiwo apho isetyenziswa khona. Ukuqonda imiba yokhuseleko lwefoam yesipreyi se-polyurethane kubalulekile ekwenzeni izigqibo ezinolwazi.
Ukwakhiwa kweeKhemikhali kunye neSicelo
I-polyurethane spray foam yenziwa ngokuxuba izinto ezimbini ezingamanzi: i-isocyanate kunye ne-polyol resin. Xa zidityanisiwe, ziyasabela ekwenzeni i-foam eyandayo kwaye iqine ngokukhawuleza. Ngexesha lenkqubo yokufaka, amanyathelo okhuseleko abalulekile kuba iikhemikhali ezibandakanyekayo zinokuba yingozi kwimeko yazo enganyangekiyo. Abafaki kufuneka banxibe izixhobo zokuzikhusela ezifanelekileyo (PPE), kubandakanya izixhobo zokuphefumla, iiglavu, kunye nempahla yokukhusela, ukuze baphephe ukuvezwa kumsi onobungozi kunye nokudibana nolusu.
Umgangatho woMoya ongekho kwiGas kunye noMoya wangaphakathi
Enye yezona ngxaki ziphambili zokhuseleko ezinxulumene nokufakwa kwe-polyurethane spray foam kukufakwa kwegesi ngaphandle kwegesi. Ukufakwa kwegesi ngaphandle kwegesi kubhekisa ekukhutshweni kwee-volatible organic compounds (VOCs) njengoko i-foam iphilisa. Ukungena komoya ngokwaneleyo ngexesha nasemva kokufakwa kunokukhokelela kuxinzelelo oluphezulu lwe-VOC, okunokubangela iingxaki zokuphefumla, ukurhawuzelelwa lusu, kunye nezinye iingxaki zempilo. Ukunciphisa ezi ngozi, kucetyiswa ukuba uphume kwindawo ngexesha lokufakwa kwaye emva kwexesha elithile ukuqinisekisa ukuba i-foam ingena umoya ngokufanelekileyo kwaye iphiliswe.
Ukhuseleko lwexesha elide
Nje ukuba inyangwe ngokupheleleyo, i-polyurethane spray foam ithathwa njengekhuselekileyo. Yenza isakhiwo esizinzileyo nesingenamsebenzi esingakhuphi iikhemikhali eziyingozi phantsi kweemeko eziqhelekileyo. Nangona kunjalo, kubalulekile ukuqinisekisa ukuba i-foam inyangwe ngokupheleleyo. Ukufakwa okungafanelekanga okanye ukusebenzisa umlinganiselo ongalunganga weenxalenye zeekhemikhali kunokubangela ukuba inganyangeki ngokupheleleyo, nto leyo ekhokelela ekubeni ibonakale ixesha elide kwizinto eziyingozi.
Ukhuseleko loMlilo
Ukufakwa kwefoam yesipreyi sepolyurethane kuyatsha kwaye kufuneka kugqunywe ngesithintelo esingatshiyo, esifana nedrywall, ukuze kuhlangatyezwane nemithetho yokwakha kunye nemigangatho yokhuseleko. Abavelisi badla ngokongeza izinto ezithintela umlilo kwifoam ukuze bandise ukumelana kwayo nomlilo, kodwa ezi zongezo azenzi ifoam ingatshi ngokupheleleyo. Ukufakwa ngokufanelekileyo kunye nokuthotyelwa kwemigaqo yokhuseleko kubalulekile ekunciphiseni iingozi zomlilo.
Izinto eziqwalaselwayo kwiNdalo
Nangona i-polyurethane spray foam iyindlela yokukhusela esebenzayo, inefuthe kwindalo esingqongileyo. Inkqubo yemveliso ibandakanya iikhemikhali ezithathwe kwi-petroleum, kwaye ezinye ii-air agents ezisetyenziswa ukwandisa i-foam zinokuba negalelo ekufudumaleni kwehlabathi. Nangona kunjalo, ukuqhubela phambili kwiifomyula kukhokelele kwiindlela ezinobuhlobo nokusingqongileyo, ezifana nee-air agents ezivuthuzwa ngamanzi okanye eziphantsi kwe-GWP (global warming potential).
Isiphelo
Ukufakwa kwefoam yesipreyi se-polyurethane kukhuselekile xa kusetyenziswa kwaye kuphathwe ngokuchanekileyo. Umoya owaneleyo, iindlela ezifanelekileyo zokufakela, kunye nokunamathela kwizikhokelo zokhuseleko kubalulekile ukunciphisa iingozi zempilo ngexesha lokufakwa. Nje ukuba inyangwe, ifoam izinzile kwaye inegalelo ekusebenziseni kakuhle amandla, okwenza kube lukhetho oluxabisekileyo lokufakwa kwefoam. Kwabo baxhalabileyo ngempembelelo yokusingqongileyo, ukufuna iindlela eziluhlaza kunokubonelela ngoxolo lwengqondo olongezelelweyo. Soloko unxibelelana nabafaki abaziingcali kwaye ulandele iingcebiso zabavelisi ukuqinisekisa ukusetyenziswa okukhuselekileyo nokusebenzayo kwe-polyurethane spray foam insulation.
Ixesha leposi: Juni-18-2024