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Isla Urbana Roof Storage Tank Gravity System

Rainwater & StorageEst. CapEx: Low-cost / Locally fabricated


Technical Overview

An aboveground roof storage tank that uses gravity to provide water pressure for household use in rainwater harvesting systems. Part of Isla Urbana's integrated rainwater catchment designs.


Key Specifications & Engineering Parameters

Parameter Specification
Category Rainwater & Storage
Capital Cost Low-cost / Locally fabricated
Primary Mechanism Rainwater collected from rooftops is stored in a tank positioned at a high elevation (e.g., on a roof or raised platform). Gravity provides sufficient pressure to distribute water to point-of-use taps without pumps. The tank is typically closed to prevent contamination and algae growth.
Target Scale Household / Village Cluster
Standard Lifespan 10 - 20 Years

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