Gwaje-gwajen filin na tsawon shekaru goma masu zaman kansu sun tabbatar da cewa fasahar shingen ƙasa mai matakai biyu tana ba da kariya ta dogon lokaci daga ruɓewa a cikin katako da aka sanya a cikin ƙasa.
An gudanar da gwaje-gwajen filin a wurare biyu na gwajin sadarwa na Burtaniya kuma Hukumar Binciken Gine-gine (BRE) ta ba da rahotonta daban-daban. Duk da cewa an fara yin su ne a kan sandunan amfani da hannayen Polesaver® Rot-Guard™, binciken ya shafi Postaver® kai tsaye, wanda ke amfani da irin wannan fasahar da aka tabbatar don kare sandunan shinge da katakon shimfidar wuri a yankin da ke da matukar muhimmanci a ƙasa.
An girka katakon da aka yi wa magani mai kariya da kuma ba tare da hannayen shingen ƙasa masu layuka biyu ba, sannan aka sa ido kan danshi, yanayin gani, da kuma ruɓewa na tsawon shekaru goma a wurare daban-daban, ɗaya a birane, ɗaya a danshi da kuma a karkara.
Bayan shekaru goma da aka fallasa su, sakamakon ya nuna fa'idodin aiki ga sandunan katako masu hannu. Duk sandunan hannu sun kasance masu lafiya kuma ba su ruɓewa, tare da matsakaicin matakin danshi kusan kashi 20% ƙasa da waɗanda aka auna a sandunan da ba su da hannu. Akasin haka, an gano ruɓewa a sandunan katako marasa hannu a wurare biyu, wanda kuma ya nuna jikewa da kuma girmar algae, yayin da katakon da aka kare a saman hannun riga ya kasance busasshe a bayyane.
An tsara gwaje-gwajen ne don nuna yanayin shigar da sandar Burtaniya na yau da kullun:
Peterborough: An sanya sandunan ƙarfe a kan kwalta don wakiltar muhallin birni da aka gina.
Penistone: An sanya sandunan a cikin fili mai danshi, tare da inuwar bishiyoyi waɗanda ke hana bushewa.

Maƙallin Kulawa da Aka Yi Wa Maganinsa
Yanayi: Ƙaramin laushi a 0cm tare da shigar sukudireba har zuwa 10mm a wurare, wanda ke nuna ruɓewa. An ga saman sandar ya jike sosai kuma an ga ci gaban algae.
Sandar da aka yi wa magani, wadda aka kare hannun riga
Yanayi: Sauti. Sashen layin ƙasa da ke sama da hannun riga ya bushe kuma saman sandar ya kasance mai tsabta.

Don yin shinge da kuma amfani da shi wajen gyaran lambu, Postaver® yana ba da kariya mai mahimmanci ta hanyar ware katako daga ƙasa da danshi a matakin ƙasa, inda yawancin sandunan suka gaza. Gwajin ya tabbatar da cewa hannayen shinge suna rage haɗarin ruɓewa sosai. Ga masu kwangilar shinge, masu gyaran lambu, masu ƙayyadewa, da masu kadarori, wannan yana fassara zuwa ginshiƙai masu ɗorewa, ƙarancin maye gurbinsu, da kuma rage farashin rayuwa gaba ɗaya.
"Wannan sabon rahoto ya taƙaita wani gwajin filin da ya yi nasara don fasahar rigakafin ruɓewa mai matakai biyu da ake amfani da su a cikin samfuranmu. Ya nuna a fili cewa ware yankin ƙasa yana ba da fa'idodi na gaske, na dogon lokaci. Wannan sabon gwaji, da gwajin filin shekaru 25 akan haɗarin gwaji a wani wuri, suna ci gaba don haka wannan shine labarin kawai zuwa yanzu." in ji Tony Young, Shugaban Tallace-tallace na Postsaver®.
Ga kasuwa inda gazawar layin ƙasa da wuri ya zama ruwan dare, waɗannan sakamakon filin na dogon lokaci suna ba da hujja mai ƙarfi don ƙayyade Postaver® a matsayin mafita mai sauƙi da tasiri don tsawaita tsawon rai da inganta dorewa.

