
Shirye-shiryen gine-gine na zamani suna buƙatar ƙayyadaddun dokoki don jagorantar ƙarfin tsari da salon ƙira. Lokacin zabar ƙofar aluminum tare da tsarin taga, masu zanen kaya suna nazarin lambobi masu mahimmanci sosai don adana makamashi da kare gine-gine. Masu ƙayyadaddun bayanai suna duba abubuwan U-da kuma ribar zafin rana, yayin da masu ginin gine-gine ke ƙididdige juriya na iska da matakan sauti don tabbatar da kowace ƙofar aluminium tare da sashin taga ya hadu da tsauraran lambobin birni.
Daidaita ƙofar aluminium tare da firam ɗin taga yana ɗaukar shiri mai kyau. Dole ne su yi layi daidai a duk facade na ginin kuma suna buƙatar arfafa bango don kiyaye amincin tsarin. Wannan aikin injiniya mai mahimmanci yana tabbatar da cewa kowane ƙofar aluminum da aka shigar tare da taga yana ba da dorewa mai dorewa yayin da yake sanya mazauna cikin kwanciyar hankali da gamsuwa a ciki.
Key Takeaways
Karfe firam thermal karya dakatar da asarar zafi. Suna adana kuzari.
Gilashi na musamman da hatimi suna toshe mummunan yanayi. Suna toshe hayaniya.
Ƙananan sills tsayawa tafiye-tafiye. Sun hadu da code.
Rubutun firam suna kare ƙarfe. Rana da gishiri ba za su cutar da shi ba.
Injiniyan Material a Ƙofofin Aluminum
Zaɓuɓɓukan abubuwa masu wayo suna haɓaka aikin gini . Masu ƙira suna gwada ƙarfin firam da zafi da wuri. Suna kuma gwada kariyar yanayi da wuri.
Extruded Framing vs Alternative Substrates
Ƙwararren aluminum yana ba da ƙarfi sosai. Hakanan yana da haske sosai. Firam ɗin itace suna ruɓe da sauri akan lokaci. Suna buƙatar fenti akai-akai kuma. Firam ɗin ƙarfe suna da ƙarfi. Amma duk da haka suna ƙara nauyi ga ganuwar. Da bambanci, Ƙofofin aluminum na zamani suna da ƙarfi da haske. Wannan ƙarfin yana taimaka wa injiniyoyi yin bayanan martaba na firam na bakin ciki. Waɗannan firam ɗin suna da kunkuntar wuraren gani. Tsarukan tsararru na slim suna haɓaka yankin gilashi. Suna ba da ƙarancin kulawa don gine-gine na zamani masu aiki.
Advanced Thermal Break Technologies
Raw aluminum yana motsa zafi da sauri. Masu tantancewa suna ɗauka kasuwanci kofofin aluminum tare da thermal shinge. Wadannan shinge suna sarrafa asarar makamashi da kyau. Injiniya suna gyara matsalolin kwararar zafi. Suna sanya thermal struts a cikin bayanan martaba. Babban aikin polyamide masu keɓancewa sun raba sassan ƙarfe. Suna ware sassan ciki da waje. Wannan hutu yana dakatar da zafi daga motsi ta cikin firam.
Lura: Advanced polyamide thermal struts yana haɓaka aikin firam. Suna taimaka wa gine-gine su wuce tsauraran lambobin makamashi na gida.
Masu kula da gine-gine suna samun ingantaccen makamashi daga waɗannan tsarin. Ƙofofin aluminum masu fasaha na fasaha suna kiyaye yanayin cikin gida dawwama. Suna aiki da kyau a lokacin yanayi mai tsanani.
Dogayen Dorewa da Ma'aunin Rayuwa
Ƙofofin ƙirar aluminum masu daraja suna wuce shekaru 50. Waɗannan ƙaƙƙarfan tsarin suna tsayayya da hasken rana. Suna dakatar da ruwan sama mai yawa da gurɓacewar gari. Hazo gishirin teku yana buƙatar abin rufe fuska na musamman.
Masu ƙayyadaddun bayanai suna duba suturar kariya ta amfani da dokokin masana'antu:
Standard / Parameter | Ƙayyadaddun Bukatun | Amfanin Aiki |
|---|---|---|
AAMA 611 Class I Anodize | Mafi ƙarancin kauri na oxide na 0.7 mil (18 µm) | Kariya mai mahimmanci don aikace-aikacen bakin teku |
Resistance Salt Spray | Sa'o'i 3,000 na fallasa ruwan gishiri | Babban karko a kan lalata hazo gishiri |
Gwajin Riƙe Launi | Mafi ƙarancin rikodin shekaru 10 a Kudancin Florida | Siffar gamawa mai dorewa |
Ƙofofin aluminum da aka ƙare suna kiyaye tsarin su mai ƙarfi. Suna da kyau a cikin yanayi mara kyau. Ƙofofin aluminum na zamani suna ba da ƙarancin kulawa. Wannan darajar tana ɗaukar shekaru masu yawa.
Zaɓan Tsarukan Ƙofar Aluminum Mai Ƙarfi
Gine-gine na zamani suna buƙatar tsarin kofa na aluminum. Masu ƙayyadaddun bayanai suna ɗaukar tsarin kofa na aluminum . Suna haifar da m kamannuna da kyawawan ayyuka.
Daidaitaccen Tsarin Gine-ginen Pivot
Manyan buɗaɗɗen buɗewa suna amfani da ƙirar ƙofar aluminum na al'ada . Gilashin nauyi yana kunna ɓoyayyun pivots. Masu ginin gine-ginen suna zaɓar kofa ta al'adar aluminum . Wannan yana haifar da hanyoyin shiga masu ƙarfin gwiwa. Ƙaƙƙarfan ƙaƙƙarfan pivot bearings suna canza nauyi ƙasa. Benaye suna tallafawa waɗannan kofofin masu nauyi cikin sauƙi. Makullan maki da yawa suna dakatar da kwararar iska da sauri. Waɗannan kayayyaki sun dace da gidaje da ofisoshi na alfarma.
Tukwici na Fasaha: Boyewar bene yana kiyaye tsaftar firam ɗin saman. Hakanan suna sarrafa saurin rufe kofa da kyau.
Multi-Slide da Tsare-tsare-da-Slide
Babban bangon gilashin suna amfani da kofofin aluminum masu zamewa da yawa . Ƙaƙƙarfan ƙafafu na musamman suna ɗaga bangarori daga hatimi. Wannan matakin yana rage ja akan waƙoƙin karfe. da aka rufe Ƙofofin aluminum suna sauke a kan hatimi. Wannan digo yana samar da hatimin firam. Masu ƙayyadaddun bayanai sun zaɓi waɗannan kofofin aluminium don ƙarancin ruwan iska. na zamani Tsarin kofa na aluminum suna amfani da waƙoƙin bene mai lebur.
Majalisun bangon Gilashin nadawa
Ganuwar gilashin ninkewa suna ninkewa da kyau. Manyan rollers suna riƙe nauyin panel mai nauyi. Ƙarƙashin fitilun ƙasa suna ci gaba da tsayawa yayin amfani. Yankunan bakin teku suna buƙatar makin gwajin iska mai ƙarfi. Injiniyoyin suna duba matsakaicin bayanan matsi na iska:
Ƙimar Ƙira (DP). | Ƙarfin Load (psf) | Daidaitaccen Gudun Iska (mph) | Aiwatar Yanki |
|---|---|---|---|
DP50 | Ya bambanta | Kusa da 160 mph | Yankunan bakin teku / takamaiman gini |
DP70 | 105 pf | ~ 165 mph | Ya zarce buƙatun guguwa na 5 (mph 160) |
DP70+ | > 105 pf | 165 mph | Wuraren bakin tekun da aka fallasa |
Injiniyoyi suna zaɓar saitin kofa na al'ada mai ƙarfi . Babban darajar DP yana kiyaye gine-ginen bakin teku da kyau. Kayan aiki mai ƙarfi yana kiyaye firam ɗin tsaye a cikin hadari.
Mashigar Kasuwancin Kasuwanci mai nauyi
Mashigin shagunan da ke aiki suna buƙatar ƙofofi masu ƙarfi. Masu ƙayyadaddun bayanai sun zaɓi masu girma ƙofofin kantuna . Waɗannan ƙofofin aluminum ba za su karkace ba. Babban takalmin gyaran kafa yana ƙarfafa firam daga lalacewa ta yau da kullun. Shagunan suna amfani da ƙugiya masu ci gaba da ƙarfi. Waɗannan sassan suna kiyaye ƙofofin a jere. Kayan aikin tsoro na musamman yana taimaka wa mutane fita da sauri. Sabbin ƙira suna haɓaka tsarin kofa na aluminum don amfani mai wahala.
Haɗin Gilashi da Fasahar Glazing
Haɗa Ƙofar Aluminum tare da Tattaunawar Taga
Masu ƙira suna haɗa ɓangarorin firam tare. Suna cika manyan buɗaɗɗen bango. Wannan ƙofar aluminium mai wayo tare da ginin taga yana ƙirƙirar layukan waje masu tsabta. Sandunan haɗin gwiwa na musamman sun kulle waɗannan firam ɗin sosai. Madaidaitan sassa suna dakatar da ruwan sama a cikin haɗin gwiwa. Injiniyoyin suna tsara gibi don canjin zafi.
Low-E Coatings da Solar Heat Gain Control
Kwararru sun ɗauki ƙananan kayan kwalliyar gilashi. Wadannan gilashin yadudduka suna sarrafa hasken rana da kyau. Sabon gilashi yana birgima zafi. Wannan tsari yana rage farashin sanyaya lokacin rani. Masu sana'a suna daidaita lambobi masu zafi don kowace ƙofar aluminum tare da sashin taga. Gilashin daidaitawa yana ba da daidaiton tanadin makamashi. Yana haskaka sararin cikin gida daidai gwargwado.
Rukunin Gilashin Gilashin Gilashi da Makarantun Gilashin
Ƙungiyoyin gilashin da yawa suna haɓaka jimlar ƙimar kuzari. Ƙarfin siliki mai ƙarfi yana tabbatar da gilashi zuwa karfe. Wannan hanyar tana ɓoye ƙaƙƙarfan matakan firam na waje.
Tukwici na Aiki: Silicone share yana canja wurin lodin iska zuwa firam. Yana kiyaye iyakokin firam suna kallon bakin ciki sosai.
Ƙofar aluminum ta fasaha mai ƙarfi tare da saitin taga tana riƙe da iskar argon a cikin fakiti. Argon yana rage canjin zafi a fadin gilashi.
Acoustic Attenuation da Laminated Glass
Gine-ginen birni yana buƙatar ƙarfi sarrafa sauti . Wuraren natsuwa na taimaka wa mutane su ji daɗi. Gilashin ciki ya toshe ƙarar amo a waje. Masu ƙira suna duba ƙimar STC don auna raguwar sauti:
Kanfigareshan Glazing | Matsakaicin Matsayin STC | Aikace-aikacen Farko |
|---|---|---|
Standard Monolithic Glass | 26-28 | Yankunan zama marasa hayaniya |
Standard Insulated Glass (IGU) | 31-35 | Daidaitawa gine-ginen kasuwanci |
Laminated Acoustic IGU | 39-45+ | Wuraren birane masu yawan hayaniya |
Gilashi mai ƙarfi mai ƙarfi yana haɓaka sarrafa sauti. Kowane kofa na aluminium tare da taga yana toshe hayaniyar titi da kyau. Matsakaicin hatimi suna sa ɗakuna shiru.
Yarda da Code da Ayyukan Tsari
Samfuran thermal da Inganta Factor U-Factor
Injiniyoyin gini suna nazarin canjin yanayin zafi ta amfani da kwamfutoci. Kayan aiki kamar WINDOW suna lissafin U-factors don samfura. NFRC 100 tana tsara dokoki a Amurka. CSA A440.2 tana jagorantar daidaitattun hanyoyin gwajin Kanada. Masu ginin gine-gine suna zabar inganci tsarin kofa na aluminum ta amfani da lambobi. Mafi kyawun yanayin zafi yana dakatar da asarar zafi na ƙarfe. Waɗannan sabuntawar firam ɗin suna rage jimlar farashin aikin gini . Matsakaicin lissafi yana tabbatar da ingantaccen makamashi a duk shekara.
Load ɗin Iska da Juriya na Shiga Ruwa
Ganuwar waje dole ne su tsayayya da iska mai ƙarfi da ruwan sama. Haɗin gwajin firam ɗin Labs tare da ƙa'idodi na hukuma:
ASTM Standard | Daidaitaccen Take / Mayar da hankali | Abubuwan Da Aka Aiwatar da su |
|---|---|---|
ASTM E330 | Daidaitaccen Hanyar Gwaji don Ayyukan Tsari ta Uniform Static Air Bambanci | Wuraren Wuta, Ƙofofi, Fitilolin Sama, Ganuwar labule |
Saukewa: ASTM E331 | Daidaitaccen Hanyar Gwaji don Shiga Ruwa ta Uniform Static Air Difference | Wuraren Wuta, Ƙofofi, Fitilolin Sama, Ganuwar labule |
Gwajin ASTM E331 yana bincika shigar ruwa a cikin buɗaɗɗen. Masu gwadawa suna fesa ruwa akan kofofin ta yin amfani da nozzles na musamman. Matsin iska yana matsawa akan bangarorin firam ɗin gwaji. Injiniyoyi suna tabbatar da ƙarfin tsari yayin waɗannan gwaje-gwaje masu tsanani. Zurfafan waƙoƙin ciki suna tura ruwan da aka kama a waje. Gwaje-gwaje masu tsanani sun tabbatar da tsawan yanayi na dogon lokaci a cikin hadari.
Zane na Duniya da ADA Sill Compliance
Ƙofofin shiga masu shiga suna barin duk mutane su shiga lafiya. Dokoki suna iyakance tsayin kofa don hana haɗarin tafiya:
Siga / Yanayi | Matsakaicin Tsayin Kofa | Bevel / Bukatun Canji |
|---|---|---|
Sabon Gina | 1/2 inch (13 mm) | Ana buƙatar sama da 1/4 inch tare da max 1:2 gangara |
Gine-ginen da suka wanzu / Canza | 3/4 inch (19 mm) | Ana buƙata tare da max 1: 2 gangara a kowane gefe |
3/4 inch (19 mm) | Dole ne ya ƙunshi gefuna masu maƙarƙashiya |
Tukwici ƙira: Ƙirar sill mara ƙarancin ƙira tana daidaita juriyar ruwa tare da isa ga jiki mara shamaki.
Sabon Ƙimar Gina : Ƙafafun ba za su iya wuce inch 1/2 a tsayi ba.
Matsakaicin Canji : Duk wani gefen da ya fi inch 1/4 dole ne a juye shi.
Girman gangaren Bevel : Tudun ba dole ba ne ya zama m fiye da 1: 2 (raka'a ta tsaye zuwa raka'a 2 a kwance).
Wuraren da suke da su : An ba da izini har zuwa tsayin inch 3/4 muddin an murƙushe ɓangarorin biyu da kyau.
Amincin Rayuwa da Ayyukan Wuta da aka ƙididdigewa
Lambobi suna buƙatar ƙofofin wuta kusa da matakala da bango. Firam ɗin wuta suna riƙe gilashi don dakatar da hayaki. Labs sun tabbatar da taron kofa a ƙarƙashin matsanancin zafin gwaji:
Sunan jerin | Ƙimar Juriya na Wuta | Matsayin Gwaji |
|---|---|---|
GPX Tsarin Gine-gine (Mai kariya) | Minti 20 | NFPA 252, UL 10C |
GPX Architectural Series (Resistive) | Minti 60-90 | NFPA 252, Gwajin SuperLite II-XL |
GPX Builders Series | 20 - 45 Minti | NFPA 252, NFPA 257, UL 10C |
Na'urori na musamman na asali suna toshe kwararar zafi mai tsanani. Tsare-tsare masu aminci suna kare rayuka kuma suna kama da zamani sosai.
Cikakkun Aesthetical da Injiniya na Musamman
Ƙayyadaddun na Musamman Ƙofar Aluminum Bayanan
Masu ginin gine-gine suna buƙatar firam na musamman don buƙatun gini na musamman. Kayan aikin na yau da kullun suna barin injiniyoyi su canza manyan sassan firam cikin sauri. Zaɓuɓɓuka masu sauƙi don siffar ƙofar aluminum ta al'ada sun haɗa da:
Bayanin Geometry : Za'a iya sanya firam ɗin sirara ta amfani da kayan aikin na musamman. Wannan matakin yana taimakawa rage girman hangen nesa lafiya.
Zurfin Glazing : Firam ɗin na iya ɗaukar saitin gilashin mai ɗabi'a mai nauyi cikin sauƙi. Wannan zane yana kiyaye tsabta iri ɗaya a waje.
Anodized da Fluoropolymer Foda ya ƙare
Ya ƙare garkuwa da ɗanyen ƙarfe daga mummunan lalacewar yanayi. Masu tantancewa suna gwada hasken rana da yanayin gida da farko. Suna ɗaukar manyan kayan aikin masana'anta a hankali. Matakan Anodized suna ƙara saman ƙarfe mai ƙarfi zuwa kowane kofa na al'ada . Rigunan foda na fasaha na fasaha suna daina dusashewa a cikin yanayi mai wahala. Kowace kofa ta al'ada ta al'ada tana kiyaye launi mai kyau shekaru da yawa.
Matsakaicin Matsakaicin Ruwa da Mafi qarancin Layi
Salon zamani suna amfani da firam ɗin ɓoye da benaye masu lebur. Waƙoƙin bene mai zurfi suna zaune tare da fale-falen ɗaki. Ƙananan tsarin magudanar ruwa yana motsa ruwan sama daga kofofin. Sabbin saitin gilashin suna amfani da firam ɗin ƙarfe sirara sosai. Wannan zane mai wayo yana taimaka wa ƙofar aluminum ta al'ada ta kawo haske. Har ila yau, siriri kofa na al'adar aluminium tana haɗa ɗakuna tare da yadi a hankali.
Tukwici na ƙira: Gina-ginen magudanan ruwa na ƙasa suna dakatar da gina ruwa na cikin gida. Suna kiyaye jujjuyawar ƙasa gaba ɗaya matakin.
Hardware da Gina Ayyukan Automation Haɗin Kai
Kayan aiki masu wayo suna juya kofofin asali zuwa tsarin atomatik. Makullai masu ƙarfi suna ɓoye cikin firam ɗin cikin sauƙi. Ƙananan injuna suna zamewa da manyan gilashin gilashi ta atomatik. Masu amfani suna tura bangon bango ko aikace-aikacen waya. Makullan wutar lantarki suna haɗa ƙofar allumini na al'ada zuwa manyan cibiyoyin sadarwa . Fasahar zamani tana kiyaye kowace ta al'ada ta al'ada kofa da kyau.
Ƙayyadaddun Fasaha tare da Tagar Derchi da Ƙofa
Derchi Window and Door Custom Engineering Solutions
Derchi Window da Door suna gina ƙaƙƙarfan saitin kofa na al'ada . Suna aiki don buƙatun aiki masu wahala. Injiniyoyi suna yin kofa ta al'ada ta al'ada tare da bayanan martaba 2.5mm mai kauri. Wannan ƙaƙƙarfan firam ɗin ƙarfe yana kiyaye sassa a cikin hadari. ta al'ada Ƙofar aluminium tana ɗaukar manyan ginshiƙan gilashin 1000KG cikin sauƙi. Masu zanen kaya suna zaɓar ƙofar aluminum na al'ada don toshe zafi da amo. Derchi yana gwada kowane firam ta amfani da dokokin AAMA da NFRC.
Rukunin Injiniya | Ƙayyadaddun Fasaha / Iyawa |
|---|---|
Girman Sash | Nisa daga 580mm zuwa 3000mm; Tsayi har zuwa 4000mm a kowane sarƙaƙƙiya |
Ƙarfin lodi | Ƙarfafa tsarin ɗaukar nauyi mai nauyi wanda ke tallafawa har zuwa 1000KG |
Saitunan Tsari | Zane-zane na ɗagawa, 90-digiri mara ƙarancin zamewa, aiki tare da injin, da kafaffen gilashi |
Zaɓuɓɓukan Ƙarfi | Tsarin waƙa na ɓoye mara shinge |
Bayanan Bayani mai nauyi : Yana amfani da bayanan martaba na aluminium mai kauri 2.5mm don amfani mai yawa.
Tsari Tsari : Ƙarfafa ginin yana rage girman warping kuma yana ƙara tsawon rayuwar sabis.
Keɓance Ayyukan Aiki : Ƙaƙwalwar ƙira yana haɓaka rufin zafi da juriya na yanayi.
Haɗin CAD da BIM don Tsare-tsaren Gine-gine
Derchi yana ba da samfuran CAD don kowane kofa na al'ada . Ma'aikata suna ƙara waɗannan fayilolin dijital cikin tsare-tsaren shuɗi cikin sauri. Shirye-shirye na farko yana sa matakan ginawa na ainihi sun fi sauƙi. Firam ɗin da aka gina musamman suna daidaita daidai gwargwado tare da bangon waje. Masu ƙira suna duba samfuran dijital kafin fara ginin. Kowane tsarin kofa na al'ada na al'ada yana nuna bayyanannun girman gilashin. Ƙungiyoyi suna saita kowace kofa ta al'ada ta al'ada da sauri akan wurin.
CSI MasterFormat Division 08 Submittals
Derchi yana ba da takaddun ƙaddamarwa a ƙarƙashin dokokin Division 08. Ƙungiyoyi suna samun takaddun gwaji na hukuma don zafi da iska. Gwajin gwaje-gwaje na ainihi suna nuna ƙarfin iska 5 kPa. Takardu sun tabbatar da tsayawar ruwa a matsa lamba 700 Pa. Shirye-shiryen gine-gine suna buƙatar takamaiman dokoki don kowace kofa. Masu ƙayyadaddun bayanai suna rubuta kowane kofa na al'adar al'ada tare da madaidaitan lambobi. Fayiloli masu kyau suna taimakawa lambobin wucewar ƙofar allumini na al'ada .
Manyan ƙira suna buƙatar cikakkun bayanan firam, ƙarfi, da aikin gini . Masu aikin gine-gine suna aiki tare da masu ƙira don tsarawa da wuri. Amfani da fayilolin CAD yana guje wa jinkiri akan ayyuka.
Gwajin Lab yana duba sassan ƙofa kafin aikin ya ƙare:
Rukunin Ayyuka | Matsayin Gwaji | Tabbatar da Mayar da hankali |
|---|---|---|
Shigar Ruwa | Saukewa: ASTM E1105 | Yana kwaikwayi ruwan sama da iska ke haifar da matsi |
Leakage Air Barrier | Saukewa: ASTM E783 | Yana auna karfin iska mai ƙarfi |
Ƙarfin Tsarin | Matsin lamba a tsaye | Yana duba iyakan karkatar da firam ɗin tsari |
Gwaje-gwaje sun tabbatar da ƙarfi Ƙofofin aluminum suna tsaye da hadari mai tsanani. Kyawawan kofofin suna ba da ingantaccen makamashi , aminci, da salo.
FAQ
Ta yaya masu gine-ginen ke zabar kimar iska mai ƙarfi don ƙofofin bakin teku?
Masu ginin gine-gine suna duba taswirar iskar gida da farko. Suna kuma auna tsayin gini. Sa'an nan, sun sami da ake bukata ƙira Matsi ratings. Suna amfani da dokokin ASTM E330. Mai ƙarfi Tsarin kofa na aluminum yana dakatar da iska mai ƙarfi. Ƙaƙƙarfan firam ɗin ƙarfe suna yin wannan aiki. Makullan maki masu yawa kuma suna ƙara ƙarfi sosai.
Waɗanne fasalolin firam ɗin ne ke sa ƙofofin lafiya ga duk mutane?
Amintattun ƙofofin dole ne su kasance ƙasa da rabin inci tsayi. Masu ƙayyadaddun bayanai sun zaɓi ƙananan sills tare da sassauƙan gefuna. Boye magudanan ruwa suna zaune a ƙarƙashin waƙar. Suna ba da izinin tafiya santsi. Wadannan magudanun ruwa kuma suna hana kwararar ruwan sama sosai.
Dokokin Maɓalli : Manyan matakai sama da inch kwata suna buƙatar gangare gefuna.
Ta yaya matakan thermal ke haɓaka tanadin makamashi na kofa?
Polyamide struts yana toshe zafi mai motsi a cikin firam ɗin ƙarfe. Suna raba ƙarfe na waje da sassan ciki. Wannan insulator yana saukar da abubuwan U da sauri. Yana yanke asarar zafi sosai. Yana adana kuɗi akan lissafin makamashi. Hakanan yana dakatar da digon ruwa na cikin gida.
Wane ƙarewa ne ke kare firam ɗin ƙarfe na teku mafi kyau daga mummunan yanayi?
AAMA 2605 foda coatings bayar da saman yanayin kariya. Wadannan sutura suna amfani da resins na PVDF masu wadata. Suna dakatar da hasken rana mai ƙarfi cikin sauƙi. Suna tsayayya da hazo mai gishiri. Suna daina faɗuwa kuma. Waɗannan ƙarewa suna ɗaukar shekaru da yawa a cikin yanayi mai wahala.