07:25PM | 04/25/09
Member Since: 04/24/09
1 lifetime posts
I have a brick patio covering my back yard (very small) and whenever it rains heavily I get water seepage into my basement down on the bottom quarter of the foundation wall in a couple of seams. In doing research I have concluded that my problem is due to hydrostatic pressure. I have a two story house and the rain water hits the back of the house and runs down falls on the brick right up to the foundation. I was wondering if anyone has any ideas on how to relieve this pressure from the outside.

I have a bobcat/backhoe available and want to do the job before I put the deck up the end of May. PLEASE HELP ASAP!!! Thanks in advance


05:44AM | 04/27/09
Member Since: 03/03/05
273 lifetime posts
Hydrostatic pressure is more related to ground water levels on the basement floor. While you could have hydrostatic pressure on the wall, it is somewhat unlikely since water will follow the path of least resistance. The only pressure would be from it's own weight if it were pooling. What you may have water sitting in one area causing it to bleed through the wall.

If the moisture in the basement is not from ground water levels, then the fix involves keeping water away from your foundation and stop the pooling. It is difficult to give you advice without seeing the house and the lay of the land.

Also, you mentioned "seams". Are these hairline cracks?

If you live in the Boston, MA area, I would be willing to take a look. You may email me at kingvolcano(at)


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