Anan akwai aƙalla nau'ikan rufin waya daban-daban guda 18: polyurethanes, nailan, poly-nylons, polyester, da kuma wasu kaɗan.Masu yin pickup sun koyi yadda ake amfani da nau'ikan insulation daban-daban don tace amsa tonal na karba.Misali, ana iya amfani da waya tare da rufi mai nauyi don kiyaye ƙarin cikakkun bayanai.
Ana amfani da madaidaicin waya na lokaci-lokaci a cikin duk nau'ikan nau'ikan kayan girki.Shahararriyar rufin irin nau'in girki shine Formvar, wanda aka yi amfani da shi akan tsohuwar Strats da kuma kan wasu ɗigon jazz Bass.Amma abin da masu buffs na insulation suka sani mafi kyau shine enamel bayyananne, tare da rufin baki-purple.Wayar enamel na fili ta kasance ruwan dare a cikin shekarun 50s da kuma cikin 60s kafin a ƙirƙira sabon insulations.