collecting water from asphalt shingle roof

Can You Collect Potable Water From An Asphalt Shingle Roof?

Mar 31, 2014· RainBank Rainwater Catchment Systems has teamed up with Custom Pure and is now installing deionization, along with other filtration and disinfection, so rooftop collected rainwater from asphalt shingle roofs can be used for potable use.

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Rain water from tar shingled roof (rainwater catchment

Some roofs that collect water have a diverter which allows the first few gallons of rain to bypass the storage. Most bird poop and other pollutants are washed away in the first few minutes of rain. I would never drink from an asphalt roof. The best choice for drinking water from a roof would be to use EPDM pond liner with soil and plants.

The Best Roofing Systems For Harvesting Rainwater

May 28, 2013· The Best Roofing Systems For Harvesting Rainwater. While rainwater collected from any roof needs to be treated if you want to meet EPA’s drinking water standards or reuse guidelines, studies show that some roofs contribute to cleaner rainwater than others. Below, we’ll cover the specific effects that asphalt shingle roofs and metal roofs have on harvested rainwater.

Author: Pacific West Roofing

Is It Safe to Use Roof Runoff for a Vegetable Garden

Rainwater can absorb zinc, copper and aluminum from metal roofs as well as chemicals used for weatherizing and waterproofing asphalt shingles. Small mammals, birds and insects deposit fecal matter on the roof, along with the bacterial pathogens it contains.

Asphalt shingle roof and drinkable water question Permies

Before I knew any better I had my North Florida roof redone in white asphalt shingles. Only later did I 'woke up' did I discover that capturing rainwater for drinking purposes from an asphalt shingle roof will have too many toxins in the water, making is questionable as to whether it's safe to drink long term.

Roofing Materials for Rainwater BlueBarrel Rainwater

Asphalt is inert, and generally safe for rainwater collection. That said, the adhesives used for installation are worth a mention. These adhesives do most of their off-gassing within a year of installation, and virtually all of it within three years, so if you have a brand new asphalt shingle roof also known as composition shingle, you may wish to avoid irrigating edibles for the first three years.

Collecting water from asphalt shingle roof? fieldlines.com

Feb 24, 2009· Asphalt shingles are not the preferred roof coating for a catchment system, and usually not recommended for rainwater collection due to possible water contamination by the materials themselves and the higher content of trapped particles by the roofing material itself.

Asphalt shingle roof and drinkable water question Permies

Before I knew any better I had my North Florida roof redone in white asphalt shingles. Only later did I 'woke up' did I discover that capturing rainwater for drinking purposes from an asphalt shingle roof will have too many toxins in the water, making is questionable as to whether it's safe to drink long term.

Hidden Toxins in Roofing Materials From Which We Harvest

Jul 08, 2014· Thank you for this article. Back in the early 50’s my grandmother collected rain water from her asphalt shingle roof. It was a good idea I thought, except that I worried about toxins in the water from the runoff. She also used grey water from her wringer washer and rinse tubs for watering the trees. It worked well. This was on Tucson’s south side.

Rainwater Harvesting The Good, The Bad and The Ugly

Roofs as a good source for harvested rainwater. Roofs are an ideal location for rainwater harvesting for three main reasons. First, gravity can be used to collect runoff thus eliminating the need for electricity for pumps. Second, when compared to toilet and other household wastewater, water collected from roofs could be relatively clean.

Roofing Materials for Rainwater BlueBarrel Rainwater

Asphalt is inert, and generally safe for rainwater collection. That said, the adhesives used for installation are worth a mention. These adhesives do most of their off-gassing within a year of installation, and virtually all of it within three years, so if you have a brand new asphalt shingle roof also known as composition shingle, you may wish to avoid irrigating edibles for the first three years.

Rainwater harvest study finds roofing material affects

Jun 15, 2011· Rainwater harvest study finds roofing material affects water quality. Over the course of a year, Kirisits, her co-Principal Investigators Professor Kerry Kinney and Research Associate Professor Michael Barrett and their engineering students examined water collected from five roofing materials: asphalt fiberglass shingle, Galvalume®, concrete tile...

Rain Barrels and Asphalt Shingles | Home Guides | SF Gate

Asphalt shingles contain zinc, hydrocarbons and other chemicals, as well as moss and algae preventatives. Small amounts of these chemicals end up in your rain barrel every time it rains. Rain also rinses other contaminants from your roof, such as animal droppings, mold, fungi and pollen.

A Green Light for Using Rain Barrel Water on Garden Edibles

Jan 07, 2015· Because roughly 71 percent of the total roof area in the Puget Sound basin is composite roofing, four of the 18 panels were covered with asphalt shingles, and one of the four composite panels also contained algae-resistant copper-containing granules.

Roof, Gutter materials selection, consequences continued

Asphalt shingles also appear to be a good choice of rainwater harvesting roofing material. One short note was found that indicated green roofs may be a good choice. Although there is a probable increase in fecal coliform contamination, the plants seem to hold on to some of the heavy metals and modify or hold on to hydrocarbon pollutants such as PAH's.

Best roofing material for rainwater collection Walden

The most definitive study, "Effect of Roof Material for Water Quality for Rainwater Harvesting Systems," found that the first flush contained the majority of both the microbial 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. Water was tested from metal, tile, asphalt fiberglass

Safe Rain water catchment for vegetable gardens (grain

Jun 07, 2012· According to the Texas Rainwater Manual, rainwater collected from asphalt and composite shingled roofs are not appropriate for potable water collection due to the possible leaching of toxins, but it is fine for irrigation. They didn't specify whether it

Asphalt Shingle Coating | Shingle Roof Coating | Sealer

Armor Shingle Roof Coating provides a unique breathable shingle roof coating that allows moisture vapor to pass through the coat while remaining impervious to water penetration. This is an important feature, many other products that are elastomerics will trap moisture that can damage your ro

Catchment Area | Rainwater Harvesting

For landscape purposes, the common asphalt shingle will work fine. If you are starting from scratch, we recommend a metal roof because they easily shed contaminants. In all cases, it’s important to avoid wood shingles or metal flashing that contains lead. Slope – The slope of the roof affects how quickly water will runoff during a rain event. A steep roof will shed runoff quickly and more easily clean the

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