Some rooftops are treated with biocides.
Treated roofs for rain water harvesting.
Ozone and uv are good choices for treating water from various roof materials in rainwater harvesting systems especially green roofs.
In order to effectively capture rainwater for redistribution the rainwater collection system must capture up to 25 of the water from impervious or hard surfaces like a roof.
This section is divided into three sections to better help you understand the treatment of rainwater.
If you re harvesting for irrigation make sure your biocide levels are low enough not to hurt your plants.
The first section roofwater quality discusses potential contaminants in rainwater which explains what we are trying to treat for.
Then the water should be filtered decontaminated and reused in the building s water system or released into a public water treatment facility.
Roof based rainwater harvesting refers to collecting rainwater runoff from roof surfaces which usually provides a much cleaner source of water that can be also used for drinking.
There are certain advantages and disadvantages to each roofing material so here are a few considerations about the best and most widely used roofing materials for rainwater harvesting.
Metal roofs when it comes to metal roofs as well as roofs in general some of the best options are galvanized metal roofs such as steel and aluminum roofs.