Kuongororwa kwemhando yepamusoro kweupfu hwepolymer hunonyungudika (RDP) kwakakosha kuti uve nechokwadi chekuti hunosangana nezvinodiwa uye zvinodiwa zvemashandisirwo akasiyana-siyana, akadai sezvinhu zvekuvaka zvakaita sematiles, mamortar, uye mamembrane ekudzivirira mvura. Heano mamwe maitiro ekuongorora mhando yeupfu hwepolymer hunonyungudika zvakare.