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Preparing for Spring Storms Gutter Downspout Drainage System Tips for Protecting Home Foundations

Use our Gutter Downspout Drainage Tips and get ready for spring storms.

By Frederick Marshall
May 2, 2013

Homeowners see it every year: spring storms, flash floods and rapid downpours that transform homeowners’ yards into massive puddles. Days later feet still sink into muddy lawns. That standing water can wreck havoc on foundations, with expanding soils pushing against homes causing foundations to crack. Gutter downspout drainage systems can help by moving that standing water away from homes.

Advanced Foundation Repair’s educational video and white paper combination walk homeowners through gutter downspout drainage system how to’s and tips. “While gutters and downspouts are not necessary for all homes,” states Fred Marshall, owner of Advanced Foundation Repair, “they are exceptional drainage options for moving standing water away from foundations.”

Gutter Downspout Drainage – to do or not to do?

Answer “yes” to any of the following questions, then a gutter and downspout drainage system is needed:

  • Is water draining from the roof eroding the soil around the foundation? This can lead to foundation problems.
  • An hour after the rain stops, is there still standing water accumulated around the house? This can lead to foundation problems.
  • Does water draining from the roof curl back onto the house? This can lead to leaks into the house, house paint issues as well as mold and mildew issues.
  • If there is a basement, is there water leaking in?

Quick Tips

For new downspouts or existing ones, follow these tips to for best results. Figure out much guttering you need.

  • Get the facts: Check the Weather Bureau tables for rain fall inches per hour intensity then calculate the roof area – length (peak to eave) multiplied by the width.
  • Take Some Notes: Make special note where to meeting roof areas create valleys.
  • Do the Math: Divide the roof area by the rain fall intensity. The result is how much the gutter has to drain.
  • Talk to an Expert: Gutter experts or local hardware stores can help with recommending gutters that can handle that amount of water. Increase the number of downspouts attached to the gutter to increase the gutter’s capacity.
  • Help it Flow: Determine the number of downspouts needed. The general rule thumb is one for every 30 feet. Remember valleys will need more drainage. If there already is a gutter but it is having trouble handling runoff, consider adding another downspout.

The Goal

Move the water away from the foundation.

  • Guide It: Make certain that the downspouts have curved sections called diverters at the end and the downspouts discharge onto splash blocks.
  • Beware: Do not connect gutters and downspouts to French drains. French drains are for draining away subsurface, not surface water. During a downpour, French drains become overloaded if roof runoff is funneled down to them, subsequently pushing water back to the house.

Keep it Flowing

Already have gutters and downspouts? Here are a few tips to keep them flowing.

  • Let it flow: Spring cleaning applies to gutters too. Check gutters and downspouts for debris. Remove leaves, branches and debris.
  • Cover Up: Place mesh over gutter to prevent future debris from accumulating.
  • Give it a Wiggle: Check that all the downspout and gutter pieces are still firmly attached to each other and anchored to the house. Fix where needed.
  • Check for Leaks: While flushing debris out of the gutters and downspouts, watch for any leaks between sections. Reattach or caulk any areas that water is noticeable flowing through.
Gutter Downspout Drainage Cleaning Gutters
Gutter Downspout Drainage - Downspout Diverter Downspout Diverter
Gutter Downspout Drainage - Downspout Splash Guard Downspout Splash Guard


Frederick Marshall is the CEO of Advanced Foundation Repair, LLC, a foundation repair company specializing in home repairs from the foundation up including foundation repair, foundation drainage, exterior foundation waterproofing, foundation irrigation, and plumbing services. Advanced Foundation Repair has specialized in foundation repair needs of Texas homeowners for over 100 years. Connect with him on Google+.


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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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