Saving Every Drop - Harvesting Rainwater

Builders, remodelers and homeowners eager to maximize natural resources are hoping for rainy weather. The environmentally-friendly efforts of these concerned people rely on harvesting rainwater as a major initiative toward reducing water and energy costs by homeowners. What is the most popular collection point for rainwater? The roof.

Composite SlateIn Narragansett, Rhode Island, the Hageman family had a goal of reducing landscaping irrigation demand by at least 50 percent when constructing their Green Life Smart Life home in 2009. To reach their goal, they had a 5,000-gallon cistern installed to harvest rainwater from the home’s roof for exterior landscaping use.

One of the key reasons they selected DaVinci's composite slate was because the slate shingles do not release toxins which could potentially run off into the water system. The rainwater collected from the roof over our 4,500-square foot home travels to an interconnected gutter system that directs all the water to our 5,000-gallon underground storage tank. They use the water as needed to support our landscaping efforts.

The Hageman’s LEED-H GOLD certified home (the first in Rhode Island) showcases green building practices, smart energy consumption, reusable resources and an eco-friendly DaVinci synthetic roof.

Saving Pure Rainwater

Saving rainwater is not a new idea. However, the concern for the purity of the water saved has escalated in recent years.

If buckets or rain barrels are strategically placed to capture rainwater coming off a roof, many types of shingles may carry with it granules and trace chemicals. That’s not an ideal water collection system. While water conservation is a commendable activity, homeowners need to make certain they’re collecting pure rainwater that does not contain toxins that leach from the roof surface.

Synthetic roofing tiles from DaVinci, which have inorganic pigments permanently bound into the polymer tiles, have successfully passed Proposition 65 testing. This California test (The Safe Drinking Water and Toxic Enforcement Act of 1986) certifies that products do not release or discharge toxins into water.

With increased building emphasis on green roof construction, synthetic roofing tiles also play a positive role in energy efficiency for the home. The DaVinci EcoBlend roofing tiles have been rated by the Cool Roof Rating Council (CRRC) to reflect sunlight and heat away from the home.

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