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.
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.
Tin tin is one of the best rainwater harvesting roof materials to have on a project.
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.
A recent report from the texas water development board entitled.
Materials studied included asphalt fiberglass shingles galvalume metal panels and concrete tiles.
Elastomeric paints are specialty roof coatings specifically for rainwater harvesting.
Asphalt shingles many shingles work with rainwater harvesting.
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.
Asphalt shingles are the most common material used on roofs and luckily they are also a very good option when it comes to rainwater harvesting.
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.