Roof Material For Rainwater Harvesting

There is very little water loss with tin around 5 and no worries of contaminants leaching out from the tin with an approved nsf 61 coating.

Roof material for rainwater harvesting.

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. 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. Elastomeric paints are specialty roof coatings specifically for 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.

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. 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. Use rubber galvanized metal or aluminum for flashing and vent seals and stay away from lead. 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.

In addition to monitoring runoff from these three roof materials runoff from a green roofing module as well as a white roof were included. Asphalt shingles many shingles work with rainwater harvesting.