Stratum Structural Systems

Stratum Structural Systems Stratum Structural Systems is the leading waterproofing and foundation repair company in St. Louis

Put the customer’s interest first - We put ourselves in your shoes and work quickly to put solutions in place and your mind at ease. Provide lasting solutions - We treat your most valuable investment as if it were our own. Eliminate stress - Contradictory repair advice can leave any homeowner confused. We are committed to relieving frustration and cutting through the confusion by utilizing accepted engineering practices so we can repair your home and set your mind at ease.

"We had a fantastic experience with Stratum from start to finish.*** in sales is an absolute gemeasy to work with, trans...
09/20/2026

"We had a fantastic experience with Stratum from start to finish.*** in sales is an absolute gemeasy to work with, transparent, understanding, and exactly the kind of person you want by your side during a stressful situation.A special shoutout also goes to ***** and his structural repair team. From the very beginning, it was clear that they take pride in their work and genuinely care about what they do. The level of.." says Dreb on BBB

★★★★★ We had a fantastic experience with Stratum from start to finish.*** in sales is an absolute gemeasy to work with, transparent, understanding, and exactly the kind of person you want by your side during a stressful situation.A special shoutout also goes to ***** and his structural rep...

"Really enjoyed my experience with Stratum! When a couple of the other companies pushed multiple thousand dollar fixes, ...
09/17/2026

"Really enjoyed my experience with Stratum! When a couple of the other companies pushed multiple thousand dollar fixes, Stratum advised what was best for me with a less than a thousand dollar sealant. Because of that, when/if I need a bigger repair in the future, I’ll be coming back to them." says David on Google

★★★★★ Really enjoyed my experience with Stratum! When a couple of the other companies pushed multiple thousand dollar fixes, Stratum advised what was best for me with a less than a thousand dollar sealant. Because of that, when/if I need a bigger repair in the future, I’ll be coming back...

"We had a fantastic experience with Stratum from start to finish.Tim in sales is an absolute gem—easy to work with, tran...
09/16/2026

"We had a fantastic experience with Stratum from start to finish.

Tim in sales is an absolute gem—easy to work with, transparent, understanding, and exactly the kind of person you want by your side during a stressful situation.

A special shoutout also goes to Keith and his structural repair team. From the very beginning, it was clear that they take pride in their work and genuinely care about what they do. The level of.." says Dreb on Google

★★★★★ We had a fantastic experience with Stratum from start to finish. Tim in sales is an absolute gem—easy to work with, transparent, understanding, and exactly the kind of person you want by your side during a stressful situation. A special shoutout also goes to Keith and his structura...

"This will be the only foundation company I will use from here on out. Three things that come to mind immediately- hones...
09/14/2026

"This will be the only foundation company I will use from here on out. Three things that come to mind immediately- honesty, integrity, and professionalism. Matt came out and figured out what was wrong and explained everything. Brandon came in and did the repair. He explained what he was doing and why, and everything was spotless when he left. And bonus, my crack wasn’t as long as they had anticipated and I got a.." says Carrie on Google

★★★★★ This will be the only foundation company I will use from here on out. Three things that come to mind immediately- honesty, integrity, and professionalism. Matt came out and figured out what was wrong and explained everything. Brandon came in and did the repair. He explained what he w...

"Sales, installation and customer service team were all phenomenal" says Jamaal on Google
09/11/2026

"Sales, installation and customer service team were all phenomenal" says Jamaal on Google

★★★★★ Sales, installation and customer service team were all phenomenal

"Stratum was very easy to work with on all aspects. Repairs and Accounting. All sides of the business." says Stacie on...
09/10/2026

"Stratum was very easy to work with on all aspects. Repairs and Accounting. All sides of the business." says Stacie on Google

★★★★★ Stratum was very easy to work with on all aspects. Repairs and Accounting. All sides of the business.

"Every member of Stratum i worked with was professional, honest, and patient. Knowing nothing about basement waterproofi...
09/10/2026

"Every member of Stratum i worked with was professional, honest, and patient. Knowing nothing about basement waterproofing and being a first time home owner with very little experience, they all made sure to take the time to ensure I was comfortable with the process.

The work was done efficiently, there were no hidden fees, and I feel very confident in recommending Stratum to anyone." says Brendin on Google

★★★★★ Every member of Stratum i worked with was professional, honest, and patient. Knowing nothing about basement waterproofing and being a first time home owner with very little experience, they all made sure to take the time to ensure I was comfortable with the process. The work was done...

"Highly professional, very good customer service. Had a French drain and sump pump installed and their work was outstand...
09/02/2026

"Highly professional, very good customer service. Had a French drain and sump pump installed and their work was outstanding." says Anne on BBB

★★★★★ Highly professional, very good customer service. Had a French drain and sump pump installed and their work was outstanding.

"Very rarely do you find a contractor who does what they actually say they will do. Stratum did. They were on time and g...
08/28/2026

"Very rarely do you find a contractor who does what they actually say they will do. Stratum did. They were on time and gave us a very fair price. We would definitely recommend them." says Joan on Google

★★★★★ Very rarely do you find a contractor who does what they actually say they will do. Stratum did. They were on time and gave us a very fair price. We would definitely recommend them.

"We had Stratum come out and give us a bid on some hydrostatic water issues we were having in our basement. From the in...
08/21/2026

"We had Stratum come out and give us a bid on some hydrostatic water issues we were having in our basement. From the initial bid to the finished job, we were very impressed with the team. They worked with us in terms of communication, scheduling the job to completing the job and cleanup . They put a water diversion system in place and I’m happy to say the recent heavy rains proved that the issue was fixed." says Sharon on Google

★★★★★ We had Stratum come out and give us a bid on some hydrostatic water issues we were having in our basement. From the initial bid to the finished job, we were very impressed with the team. They worked with us in terms of communication, scheduling the job to completing the job and clean...

Address

17600 Chesterfield Airport Road Chesterfield
St. Louis, MO
63005

Opening Hours

Monday 7am - 6pm
Tuesday 7am - 6pm
Wednesday 7am - 6pm
Thursday 7am - 6pm
Friday 7am - 6pm
Saturday 9am - 12pm

Telephone

+13146208153

Website

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