Sisitemu ya Terli's S Roof Tile nigisubizo cyambere cyingufu zizuba zisimbuza ibikoresho bisanzwe byo gusakara hamwe namatafari yizuba, bigafasha inyubako kubyara amashanyarazi asukuye kandi ashobora kuvugururwa mugihe bivanze nuburyo bwububiko. Amashanyarazi akomoka ku mirasire y'izuba yagenewe kwigana isura y'ibikoresho bisanzwe byo gusakara nka shitingi cyangwa amabati, bikora intego ebyiri mu kurinda imiterere y'ibintu gusa ahubwo no gukoresha ingufu z'izuba izuba. Ubu buryo bushya ni inzira irambye kandi ishimishije muburyo bwo guha ingufu amazu nubucuruzi bifite ingufu zisukuye.