Metal Roof 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.

Metal roof for rainwater collection.

Depending on what kind of metal roofing you get affects the price but they are all great for collecting rainwater. Greenhouse roof has the highest collection efficiency most surfaces are a ok. However any rainwater harvested from any type of roof including metal should always be filtered and decontaminated before use. Long time readers will notice that we went back and forth several times on selecting the roofing material for our starplate coop.

A metal roof for rainwater collection is a prime choice especially when the appropriate paint system is incorporated. 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. 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. They are covered with a zinc layer that seals the metal and iron from getting into your water.

Clay or concrete tile and slate also work well. There s just a short list of rooftop surfaces that rainwater harvesters should avoid. A standing seam metal roof and a leaf protection system are superior effective and economically efficient designs for fighting wildfire and capturing rainwater. Best roofing material for rainwater collection.

Unpainted galvanized metal roofing is the best catchment surface for potable water systems because it s smooth and nontoxic. 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. Galvanized metal roofing especially is recommended for rainwater harvesting because the panels will be coated with a later of zinc which seals the metal panels prevents rusting and lowers the levels of iron in your water. There is a chance your metal roof will collect soil related bacteria but no worries.

These roofs are known to minimize the number of contaminants and pollutants that wind up in your collected water. Use rubber galvanized metal or aluminum for flashing and vent seals and stay away from lead. While metal roofing or plastic sheeting e g. When designing a rainwater collection you have to consider its durability.

This means a metal roof rainwater collection system will produce water with less of the disease causing microorganisms. Your roof needs to be able to withstand the weight of heavy snow and rain.