However any rainwater harvested from any type of roof including metal should always be filtered and decontaminated before use.
Metal roof for rainwater collection.
While metal roofing or plastic sheeting e g.
Long time readers will notice that we went back and forth several times on selecting the roofing material for our starplate coop.
Unpainted galvanized metal roofing is the best catchment surface for potable water systems because it s smooth and nontoxic.
Best roofing material for rainwater collection.
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.
Greenhouse roof has the highest collection efficiency most surfaces are a ok.
There is a chance your metal roof will collect soil related bacteria but no worries.
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.
Best roofing material for rainwater collection.
They are covered with a zinc layer that seals the metal and iron from getting into your water.
Your roof needs to be able to withstand the weight of heavy snow and rain.
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.
This means a metal roof rainwater collection system will produce water with less of the disease causing microorganisms.
Use rubber galvanized metal or aluminum for flashing and vent seals and stay away from lead.
There s just a short list of rooftop surfaces that rainwater harvesters should avoid.
These roofs are known to minimize the number of contaminants and pollutants that wind up in your collected water.
The good news is most roofing materials are suitable for rainwater harvesting.
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.
A metal roof for rainwater collection is a prime choice especially when the appropriate paint system is incorporated.
When designing a rainwater collection you have to consider its durability.
Asphalt asbestos chemically treated wood shingles and some painted metal roofs however can leach toxic materials and are recommended only for nonpotable water uses.
Depending on what kind of metal roofing you get affects the price but they are all great for collecting rainwater.