Roof Material For 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.

Roof material for rainwater harvesting.

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. Tin tin is one of the best rainwater harvesting roof materials to have on a project. Asphalt shingles many shingles work with rainwater harvesting. 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.

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. A recent report from the texas water development board entitled. Use rubber galvanized metal or aluminum for flashing and vent seals and stay away from lead. 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.

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. Elastomeric paints are specialty roof coatings specifically for rainwater harvesting.