Rainwater harvesting roof for water storage tank

A rainwater harvesting roof for a water storage tank;

• the rainwater harvesting roof comprising:
• a roof substantially covering the tank;
• a central support supporting the roof;
• whereby the roof has a peak at the central support;
• the roof further comprising:
• a relatively water-impermeable material;
• a substantially circumferential band of relatively water-permeable material located in the roof near the outer edge of the roof;
• the substantially circumferential band of relatively water-permeable material situated lower on the roof than the peak of the roof;
• and, the roof further comprises:
• an outer edge;
• an interior surface;
• and,
• a circumferential gutter of relatively water-impermeable material depending downward from the interior surface of the roof and located beneath the substantially circumferential band of relatively water-permeable material;
• and,
• the circumferential gutter further comprises slits allowing the passage of water therethrough.