Chinsalu chapulasitiki chosakhala ndi madzi chimapangidwa ndi zinthu zamtengo wapatali za PVC, zomwe zimatha kupirira kuyesedwa kwa nthawi munyengo yovuta kwambiri. Ikhoza kupirira ngakhale nyengo yozizira kwambiri. Itha kuletsanso kuwala kwamphamvu kwa ultraviolet bwino m'chilimwe.
Mosiyana ndi tarp wamba, tarp iyi ndi yopanda madzi kwathunthu. Imatha kupirira nyengo zonse zakunja, kaya kukugwa mvula, chipale chofewa, kapena kwadzuwa, ndipo imakhala ndi kutentha kwina komanso kutentha kwanyengo m'nyengo yozizira. M'chilimwe, imagwira ntchito ya shading, kubisala mvula, kunyowa komanso kuziziritsa. Ikhoza kumaliza ntchito zonsezi pamene ikuwoneka bwino, kotero mutha kuziwona molunjika. Tarp imathanso kutsekereza kutuluka kwa mpweya, zomwe zikutanthauza kuti tarp imatha kulekanitsa bwino malowa ndi mpweya wozizira.