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Underground Downspout Extension

Underground Downspout Extension in Mount Prospect, IL

2 Guys and a Mower KG routes roof runoff underground and away from your foundation, protecting homes in Mount Prospect and the northwest suburbs from water damage at the source.

Roof water pooling around your foundation

When a downspout drops water right beside the house, that water has nowhere to go but toward your foundation. An underground downspout extension is a diverter that collects roof water runoff and carries it away from your home, protecting you from water damage at the source.

Underground Downspout Extension by 2 Guys and a Mower KG

Slow-draining clay and sloped yards

Predominantly clay soil throughout Arlington Heights drains slowly, and in Glenview the Mundelein clay compacts and drains poorly. Soil like that holds water against a house. Rolling terrain near Lake Arlington adds erosion risk on sloped lots. Moving roof water underground keeps it from adding to the problem.

Underground Downspout Extension by 2 Guys and a Mower KG

A cleaner yard with no splash blocks in the way

Because the extension runs underground, there are no long surface pipes to trip over or mow around. Your lawn stays clear and your mowing crew has fewer obstacles. It also works well alongside gutter cleaning, which keeps the water flowing into the system.

Underground Downspout Extension by 2 Guys and a Mower KG

Frequently Asked Questions

What is an underground downspout extension?

It is an underground diverter that collects roof water runoff and routes it away from your home’s foundation.

Why does water near my foundation matter?

Roof water that collects beside a home can lead to water damage. Moving it away protects the foundation at the source.

Does clay soil make this more important?

Clay-heavy soil, common across Cook County, drains slowly and holds water, so directing roof runoff away from the house is especially helpful.

Should I clean my gutters too?

Yes. Clean gutters keep water flowing into the downspout system. We offer both services.

Which towns do you serve?

We serve 13 northwest suburbs, including Mount Prospect, Arlington Heights, Glenview, Niles and Wheeling.

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