Roof Material For Rainwater Harvesting

Specifically this is set up for my rainwater garden area but c.

Roof material for rainwater harvesting.

Materials studied included asphalt fiberglass shingles galvalume metal panels and concrete tiles. 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 the material of the roof is not as important as contaminants that may be on the roof. There s just a short list of rooftop surfaces that rainwater harvesters should avoid.

Unfortunately as shingles age the concentration of pollutants such as zinc iron and particulate matter in water increases. For landscape purposes the common asphalt shingle will work fine. Read down the list for info on roofing materials for rainwater harvesting. There are some important factors about the roof to consider when planning for a rwh system.

Tin tin is one of the best rainwater harvesting roof materials to have on a project. 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 are the most common material used on roofs and luckily they are also a very good option when it comes to rainwater harvesting. And chemical contaminants but even after the first flush water contained more turbidity total coliform fecal coliform iron and aluminum than is recommended by the epa for drinking water.

While metal roofing or plastic sheeting e g. Finally plan on discarding the first few gallons of rainfall at the beginning of a rain and then purifying your harvested rainwater in some basic way before you drink it. Asphalt shingles are usually treated with moss killing chemical which can pollute collected water due to its copper and zinc content. 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.

Building a rain roof as another option to harvest rainwater for home garden or livestock use. A recent report from the texas water development board entitled. Rainwater from asphalt fiberglass shingle roofs was found to be high in doc but perhaps surprisingly so too were green roofs. The consensus on the internet about the safest roofing material for rainwater collection is there is no consensus.

The good news is most roofing materials are suitable for rainwater harvesting. This means that care needs to be taken by those who have such roofs installed and would like to be able to drink water harvested from them. For the vast majority of tank based rainwater harvesting systems the catchment area is the roof surface. Asphalt roofs set up before 1980 are of course not suitable for rainwater harvesting.

Asphalt shingles many shingles work with rainwater harvesting.