Effect of roof material on water quality for rainwater harvesting systems looked at the effect that different roof treatments have on the water quality of collected rainwater.
Roof material for rainwater harvesting.
In addition to monitoring runoff from these three roof materials runoff from a green roofing module as well as a white roof were included.
One of the main reasons is their uneven surface it makes it harder for soot and other pollutants and dirt to gather on top of it.
Tin tin is one of the best rainwater harvesting roof materials to have on a project.
I suggest that you use whatever roofing material that you want except lead and perhaps thatch i can find no data on thatched roof rainwater runoff quality.
While the material isn t cheap and multiple coats are often required this could be something to consider especially for rooftops that aren t otherwise safe to collect from.
Materials studied included asphalt fiberglass shingles galvalume metal panels and concrete tiles.
Choosing the best roofing material for rainwater harvesting while a number of base materials like asphalt slate or tile roofs can be used as rainwater collection catchments metal roofs are often the preferred system.
Elastomeric paints are specialty roof coatings specifically for rainwater harvesting.
Asphalt shingles many shingles work with rainwater harvesting.
A recent report from the texas water development board entitled.