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Install Foundation Drainage Systems – French Drains Help Prevent Foundation Problems

Learn about how to install foundation drainage systems.

By Fred Marshall
September 24, 2012

Prepare for spring rains. Now is the time to review the drainage around the foundation since proper foundation drainage helps prevent foundation problems. Cracked foundations are costly to fix while foundation drainage is a cheap and easy way to prevent foundation problems.

Gravity brought the water down and gravity can help drain the water around your foundation away. Use gravity and drain two different areas around a foundation, surface and subsurface. Gravity helps in three ways.

Install Foundation Drainage Systems
Surface Drainage Around the Foundation

Walk around the foundation. Look at how the ground slopes from the foundation to the street. The first and most widely used foundation drainage solution is to slope the ground so the water drains away into the streets. Slope ground around foundations away from the house at least 1 inch per foot or more if possible. Have a 10 inch drop for the 1st 10 feet around the home sloping away from the foundation. When there is not enough drop to create slopes, use the next best option for drainage around a foundation, a foundation drainage system.

Install surface foundation drains connected to underground pipes. The drainage pipes should be solid. No holes so that the water stays in the pipes. Foundation drainage pipes need very little slope. Because pipes are smooth on the inside, they can move water away with slopes as little as one inch of drop for every ten feet. Gravity drainage needs a so for very flot lots run drains into sump pumps. Take care to ensure that the pumping capacity for each foundation pump is great enough to handle the volume of incoming water. Foundation drainage pipes can back up given the right conditions. Make sure to include a backflow valve. They are cheap insurance against nasty surprises.

Foundation Drain Foundation Drain
Install Foundation Drainage Systems - Foundation French Drain French Drain
Foundation Drainage System Foundation Drainage System

Install Foundation Drainage Systems – Subsurface drainage around the foundation

Install foundation french drains where there is a need to get rid of underground water, foundation french drains can be used. French drain pipes need to be nestled in to clean, crushed stone, sloped slightly downwards and covered with landscaping fabric to prevent silt from sifting down into the passages. There are specifications regarding drainage around a foundation. Make sure to check with your zoning board on foundation drainage code requirements to ensure that you stay within the code.

Get additional formation. Watch the videos. Download the whitepapers.


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Christopher Lorenzo
Christopher Lorenzo
19:36 06 Sep 17
I have had multiple good experiences with Advance Foundation Repair. They stand by their work and kept me informed at all times on the repairs. Post work service was good too. I am very satisfied with their workread more
Ruth Schuman
Ruth Schuman
19:56 05 Sep 17
Workers were very professional and hard working. They dug up around the house and put plants back to look nice. This company also has a trust to forever be able to redo warranted work.read more
Gwen Baumann
Gwen Baumann
02:30 11 Aug 17
I can't too highly recommend this company. I had work done of my foundation by another company several years ago. That work did not resolve the problem, and that company did not fix. Advanced was recommended to me by mother, who said they were the best in the business. I agree! They were polite, professional, charged reasonable prices, and did excellent work. They also have a strong guarantee that is backed by a trust. I can't imagine why you'd use any other company.read more
Linda Krizka
Linda Krizka
19:44 10 Jul 17
Advanced Foundation repair is the only way to go! The engineer, Eric was kind, helpful and informative! The crew under Haynard's watch was unbelievably considerate. The crew was in and out of our house for 5 days. Everyone of them were happy even in the 90 degree weather. They work hard and were very polite. If you saw my house now you would never even know they were here. They cleaned up every night and on the last day it looked like new! Very thankful to have been able to work with them.read more
Michael Francis
Michael Francis
00:48 29 Apr 17
Advanced recently performed our foundation repair and did a fantastic job! The job took four days and throughout the process, the workers were on time each day, were kind and courteous. They left our house clean each day and took great care in making my wife and newborn comfortable during the repair. They came back out to make adjustments, as was expected, and I am more than pleased with the results. Thanks to Juan Martinez, Miguel Mata and Ernesto Alvarato for doing everything I requested. I highly recommend Advanced Foundation Repair, they know what they are doing.read more
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