Metal Roof For Rainwater Collection

Metal roofs when it comes to metal roofs as well as roofs in general some of the best options are galvanized metal roofs such as steel and aluminum roofs.

Metal roof for rainwater collection.

These roofs are known to minimize the number of contaminants and pollutants that wind up in your collected water. Clay or concrete tile and slate also work well. Unpainted galvanized metal roofing is the best catchment surface for potable water systems because it s smooth and nontoxic. While metal roofing or plastic sheeting e g.

There is a chance your metal roof will collect soil related bacteria but no worries. Best roofing material for rainwater collection. Asphalt asbestos chemically treated wood shingles and some painted metal roofs however can leach toxic materials and are recommended only for nonpotable water uses. Greenhouse roof has the highest collection efficiency most surfaces are a ok.

Your roof needs to be able to withstand the weight of heavy snow and rain. However any rainwater harvested from any type of roof including metal should always be filtered and decontaminated before use. For the balance of the system which includes a pumping mechanism to pump the water back out for reuse and the storage system to hold the rain water that is captured what you choose will be dictated by how much water you re trying to capture. Each type of roofing material has potential problems when used for rainwater collection but the best choice might be a non galvanized metal with no copper or lead.

The good news is most roofing materials are suitable for rainwater harvesting. Use rubber galvanized metal or aluminum for flashing and vent seals and stay away from lead. When designing a rainwater collection you have to consider its durability. They are covered with a zinc layer that seals the metal and iron from getting into your water.

There s just a short list of rooftop surfaces that rainwater harvesters should avoid. Best roofing material for rainwater collection. A standing seam metal roof and a leaf protection system are superior effective and economically efficient designs for fighting wildfire and capturing rainwater. A metal roof for rainwater collection is a prime choice especially when the appropriate paint system is incorporated.

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. This means a metal roof rainwater collection system will produce water with less of the disease causing microorganisms.