Rainwater Harvesting

Rainwater harvesting is the accumulation and deposition of rainwater for reuse on-site, rather than allowing it to runoff. Uses include water for garden, water for livestock, water for irrigation, water for domestic use with proper treatment, and indoor heating for houses etc. In many places the water collected is just redirected to a deep pit with percolation. The harvested water can be used as drinking water as well as for storage and other purpose like irrigation. ~ Wikipedia

Wouldn’t you like to protect the planet and benefit from renewable, clean resources?

As we look for ways to make our homes more sustainable and conserve natural resources, rainwater harvesting is becoming increasingly popular.

Metal Roofing is one of the preferred and most effective materials for collecting rainwater. Other types of roofs, especially asphalt, can release significant amounts of chemicals and petroleum hydrocarbons. Studies by the Texas Water Development Board* show that metal roofs produce the highest qualities of harvested rainwater for indoor domestic, non-potable use (presenting lower concentrations of contaminants than asphalt or cedar roofing). The coating system used by Interlock® is inert and will not leach or release chemicals in contact with the rain.

To develop a complete and efficient harvesting system, follow first-flush diversion, filtration, and disinfection processes. Such treatments are essential to reduce particles and pollutants present in the environment. Test the quality of the water periodically and refer to the regulations in your area before any potable use of collected rainwater.

The Interlock® Roofing System is truly a sustainable and environmentally friendly choice. Affordable, lifelong and made of recycled material, our roofs are also energy efficient and can save you money on energy bills.


* Effect of Roof Material on Water Quality for Rainwater Harvesting SystemsTexas Water Development Board

United States Environmental Protection AgencyAmerican Rainwater Catchment Systems Association

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