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Need serious emergency but temporary help with a basement wall leak!!!?

In the stairwell in my basement that goes from the storage area up the stairs and out the Bilco doors, there is a seam which appears to be where the foundation meets a "concrete header" that the bilco doors were placed on. During heavy rain a few areas of this seam leak, runs down the wall and under the storage room door. We are expecting very heavy rain Sunday. I am planning to buy some bagged sand to build up along the outside a bit but what is the best way to seal, even temporarily until spring this seam. All I see is to chisel it all out and I don't feel I am handy enough HELP I cannot let my finished basement flood!

7 Answers

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  • 1 decade ago
    Favorite Answer

    Use 100 % silicone in the crack and under the door for now. Use Dam Tite or Dry-lock when weather permits. You simply brush either of these products on & they can be found in the paint department at Lowe's or Home Depot.

  • 1 decade ago

    not sure what your set up is or how finished the basement is but a sealing paint would probably do the trick. as a temporary fix, there is a caulk sold at local home stores that is for fixing cracks in concrete. we used it to seal a crack on our basement floor before putting down a sub floor. just make sure to force the material into the crack enough. if the seam is leaking because the cement itself is becoming waterlogged in heavy rains, you might want to consider a french drain placed about 2-3 feet from the outside wall parallel to it and running down hill away from the basement, perhaps into a garden or street? you can do this yourself.

    for info on sealing paint and basements:

    http://www.radonseal.com/basement-waterproofing.ht...

    french drains:

    http://www.grounds-mag.com/mag/grounds_maintenance...

    good luck

    Source(s): dealt with water issues and have installed a french drain myself
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    7 years ago

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  • Anonymous
    1 decade ago

    sounds like your land outside the house is sloping towards the home instead of away. hmm

    the best way right now would be to go to Home Depot, buy paint made to waterproof cement and cinder blocks. it runs about $30, buy the huge brush for it, and paint that portion of the wall. that should seal up the crack until spring.

    NOW..is the water coming THROUGH the crack and DOWN the wall, or do you just see a puddle on the ground? if its only on the ground that means the water sealing paint wont work.

    do you have a lot of snow? do you have gutters? do you live in NY? i can fix it for you. take care

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  • 1 decade ago

    Leaky bulk-head doors are not uncommon.

    Heavy plastic across the top of the doors, anchored with sand bags may help for now, or you could install flashing.

    For the basement, puppy training pads help soak up small leaks. Hospital under pads also absorb moisture.

  • ?
    Lv 4
    5 years ago

    Bilco Stairs

  • 1 decade ago

    caulk is the answer, you can purchase caulk specifically for concrete cracks, and if you can get it well into the crack, could very well be a permanent solution.

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