Makullan zafi birgima z irin karfe sheet tara suna symmetrically rarraba a bangarorin biyu na tsaka tsaki axis, da kuma yanar gizo ne ci gaba, wanda ƙwarai inganta sashe modulus da lankwasawa stiffness, da kuma tabbatar da cewa inji halaye na sashe za a iya cikakken exerted.

1) Ƙarin ƙulle-ƙulle masu ɗorewa: Wannan yana ba da damar zanen gadon da za a iya fitar da su kuma a ja su sau da yawa kafin kullin ya ƙare.

2)Mafi dacewa da tuƙin tuƙi mai ƙarfi: Makullin da ke kan tulin tulin zafi suma sun fi na tulin tulin sanyi mai kauri.Wannan yana ba tarin tarin ƙarfin ƙarfi don a tura su cikin yanayi mai wuyar gaske

3) Babban abun cikin ƙarfe da aka sake fa'ida: Buƙatun LEED wani lokaci suna yin amfani da kayan da aka sake fa'ida.Takin takarda mai zafi yana da abun cikin ƙarfe kusan 100% da aka sake fa'ida, yayin da fakitin da aka yi sanyi ya ƙunshi kusan 80% kayan da aka sake fa'ida.

4) Ƙarin daɗaɗɗen ruwa: Tarin takarda mai zafi mai zafi yana yin aiki mafi kyau a cikin gwaje-gwajen seepage, saboda babban ɓangare ga maƙarƙashiyar tsaka-tsaki.