Profile picture for AJW 1975

Damp basement

I moved into a house that has a cement basement that probably was put down over the original dirt floor 60 years ago. When it rains hard water actually bubbles up out of certain cracks. My wife thinks a simple sealer will help but I think I need to re do the concrete. I have dealt with all the drainage issues along the sides of the house which helps a little. Does anyone have any suggestions as I don't think a simple sealer is going to help the situation out.
  • September 26 2007 - US
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Answers (7)

Unfortunately the permanent fix is to put waterproofing along the outside basement walls which would require excavation and backfilling. Maybe try some French drains around the exterior before going to the lengths of excavating.... Here's an article that discusses what they are and what they are used for. If you don't have gutters, installing gutters and running the water away from the house might help.

http://landscaping.about.com/cs/lazylandscaping/ht/French_drains.htm
  • September 26 2007
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Profile picture for gary.katzenmaier
Hydrostatic pressure from the outside is pushing the water up through the cracks. You can look around the outside for potential sources like poorly laid out drainage but ground water issues like a high water table or springs can be hard to locate. . One option is to have a qualified contractor dig a trench around the inside floor/wall and install a drainage pipe/sump pump system. Any real fix requires stopping the water from outside the foundation and that usually requires lots of digging and money.
  • October 12 2007
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If your problem only happens when its raining then its just a matter of regrading around your house to correct the flow of the runoff water
Best Regards,
Roy Kennedy
www.frkennedyconstruction.com
  • October 20 2007
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Profile picture for AJW 1975
I think part of the issue is an old cracked driveway that I am pricing out to be re-graded and re-paved. If you have any referrals for this type of work in Norwalk/Darien CT let me know.
  • October 23 2007
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Try asking mpal, she lives in that area.
  • October 23 2007
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  • Fixi
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Are cracks in the walls also "If so how wide " Has the wall been painted do they feel damp.

How wide are the cracks in floor>Its best to stop the water before you can fill in these cracks ..Pemanent fix theyuse a epoxy cauking gun sealer to fill these cracks 1/4 + in wide !

If you don't re-route the water and repair the cracks with a expoxy sealer " ?It's possible to get cracks in other places/

You said you took care of the drainage out side .Do you have a sump pump is it working>?

If you don't "Perhaps this would be the cheapest way to go for now to put in a sump pump ... If possible You can go online and do it yourself ?

If the walls are damp and have cracks starting/ With the older homes they also used tar for basement walls .But after 70-80 yrs that tar barrier starts breaking down allowing the walls to absorb water thencrack;



The best is to divert the water out around foundations away from house!
Lots of digging all ther way to the foundation floor !

I would start looking into a sump pump?
Lots of luck and best wishes!
  • October 24 2007
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Before you start thinking about basement waterproofing, look here:

 

A visual guide to basement water problems

 

At inspectons we often find such problems are realted to causes it's inexpensive for homeowners to reapir and which they can often correct themselves.

 

  • December 28 2007
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