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5 Landscaping Tips to Prevent Basement Flooding

Friday, August 24th, 2018 by Sabrina Hunter

Reshape the landscape

Discovering water in your basement can be shocking for any homeowner. How does water get into the basement? The most common reasons for a leaky basement are cracks in the foundation, hydrostatic pressure, poorly functioning gutter system or landscaping issues.

If you have a leaky basement you are not alone. The American Society of Home Inspectors reported approx. 60% of U.S. homeowners have wet basements. Finding out what caused the water problem can produce positive results but in some cases, if the signs aren't obvious, finding the root of the problem can remain a mystery.

This post will explore various landscaping techniques to help reduce water issues in your basement.

Grading Slope

The most important part of the landscape is positive grading around your home. Your basement will flood if the grade of the ground is sloped towards your foundation. Make sure the grade slopes away from your home and add a dry creek filled with gravel around your home. This technique re-routes the rainwater away from your home, reducing the chances of water entering your basement.


To maintain a dry basement it is important to check the water drainage is properly directing water away from your home. Check the angle of the downspouts and add extensions to ensure the water is dispelled at least 10 feet from the immediate area of your home. Functioning rain gutters and downspouts manage the flow of water from the rooftop to the ground away from your foundation, preventing your basement from flooding.


A well-manicured lawn is essential for the home. Mulch can help manage moisture issues in your basement, keeping your foundation dry. This is achieved from packing mulch around your foundation, resulting in moisture wick. Mulching can help to retain up to 80% of added moisture in your soil. To prevent rot issues with the siding caused by moisture wick, be sure to maintain approx. 6 inches of space between the foundation and the mulch.

Grass and Hydrostatic Pressure

Grass and valleys are an effective way to redirect water away from your home's foundation. Professional landscapers use this method to relieve hydrostatic pressure from the trouble spot areas where excess rain accumulates. This option costs less than the traditional waterproofing method.


Patios next to the home's foundation are subject to pooling water. The professional solution to water pooling issues; removing pavers and then add new soil and pea gravel. This will result in the water moving away from your foundation.

With many basement water issues, the first place to start is the exterior of your home. A professional with years of experience, can properly diagnose the problem and suggest the best techniques to use to stop the water issue before it becomes a serious problem.

Weathertite System's has certified installers for the home. If you would like more information on how we can help you, contact us today at 1-203-528-4727 or online.

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