Da farko, yi amfani da 28 don daidaita turmi na siminti × kauri 35mm.

A yi shimfidar farko ta tayal ɗin kwalta, tare da mannewa yana fuskantar sama, sannan a yi shimfidar kai tsaye a kan rufin tare da gangaren rufin ƙasa. A ƙarshen ɗaya na cornice a tushen bango, farkon tayal ɗin kwalta yana faɗaɗa daga 5 zuwa 10 mm. A gyara ƙasa da ƙusa mai tsawon 50.8 mm daga ƙasan ƙarshen biyu da kuma 25.4 mm daga gefe, sannan a sanya shi daidai a kusurwar kwance tsakanin ƙusa biyu. A sanya ƙusa biyu kuma a kama layin kwance.

A shimfiɗa layin farko na tayal ɗin kwalta, a goge 167mm na layin farko na tayal ɗin kwalta, sannan a shimfiɗa dukkan tayal ɗin kwalta. A daidaita tubalin kwalta na farko a ƙarshen bangon da gefen layin farko na tubalin kwalta a gefen cornice. A gyara da kusoshi a 60.8mm daga ƙarshen biyu zuwa ƙasa da 35.4mm daga gefe, sannan a saita ƙarin kusoshi biyu a kusurwar kwance na kusoshi biyu sannan a yanke layin kwance.

Sanya layi na biyu na tayal ɗin kwalta. Gefen layi na farko na tubalin da ke fuskantar kwalta na layi na biyu yana da rabin ganye daga gefen layi na farko na tubalin da ke fuskantar kwalta. Ƙasan layi na biyu na tayal ɗin kwalta yana da launin ruwan kasa tare da saman haɗin kayan ado na layi na farko na tayal ɗin kwalta. Yi amfani da layin kwance da aka yanke akan layi na farko na tayal ɗin kwalta don yin ƙasan layi na biyu na tayal ɗin kwalta daidai da cornice, sannan a gyara layi na biyu na tayal ɗin kwalta da kusoshi.

A shimfiɗa layi na uku na tayal ɗin kwalta, a yanka dukkan ruwan wukake na Layer na farko na tayal ɗin kwalta na Layer na uku na tayal ɗin kwalta, a juya shi da Layer na farko na tayal ɗin kwalta na Layer na biyu na tayal ɗin kwalta, a sa gefen ƙasa na Layer na uku na tayal ɗin kwalta ya yi daidai da saman haɗin ado na Layer na biyu na tayal ɗin kwalta, sannan a shimfiɗa shi a hankali tare da Layer na uku na tayal ɗin kwalta.

A yi wa tayal ɗin kwalta ado a kan magudanar ruwa. Za a sanya tayal ɗin kwalta na rufin da suka haɗu a kan magudanar ruwa a lokaci guda, ko kuma a gina kowane gefe daban, kuma a shimfiɗa shi zuwa 75mm daga tsakiyar layin magudanar ruwa. Sannan a shimfiɗa tayal ɗin kwalta na magudanar ruwa sama tare da ɗaya daga cikin rufin kuma a miƙe a kan magudanar ruwa, ta yadda tayal ɗin kwalta na magudanar ruwa na ƙarshe na layin ya miƙe zuwa rufin da ke maƙwabtaka na aƙalla 300 mm, sannan a shimfiɗa tayal ɗin kwalta na magudanar ruwa tare da saman rufin da ke maƙwabtaka kuma a miƙe zuwa magudanar ruwa da tayal ɗin kwalta na magudanar ruwa da aka riga aka sanya, wanda za a saka tare. Za a ɗaure tayal ɗin kwalta na magudanar ruwa sosai a cikin magudanar ruwa, kuma za a gyara tayal ɗin kwalta na magudanar ruwa ta hanyar gyara da rufe magudanar ruwa.

Lokacin da ake shimfida tayal ɗin kwalta na ridge, da farko a ɗan daidaita tayal ɗin kwalta na ƙarshe da aka shimfiɗa sama a saman biyu na ridge mai karkata da ridge, ta yadda tayal ɗin kwalta na ridge za su rufe tayal ɗin kwalta na sama gaba ɗaya, kuma faɗin ridges ɗin da ke kan ridge ɗin iri ɗaya ne. Bayan an gyara ƙusa, a shafa tayal ɗin kwalta da aka fallasa da manne kwalta.