john Herman

12:09AM | 04/08/03
Member Since: 04/07/03
4 lifetime posts
I have recently bought my first home and have found that after a large thaw,a little bit of water has come in to the basement.
When i looked at the drywall there was no visible damage or sign that this was a common problem.So a friend was telling me that the underground drain around the house has to breath and the sump pump cap should be off at all times unless u get a large and unusualy heavy rain fall.
Could someone please tell me if i should leave it of till then or is this just asking for trouble.
Thank you for your response.


04:43AM | 04/08/03
Member Since: 01/14/03
264 lifetime posts
Not being familiar with your particular problem I can't address it exactly. But I can tell you that perimeter foundation drains, no matter how they're designed or what materials they use, are not designed so as to "breath". There is no vacuum created within a perimeter drain, and that would be the only reason for providing a "breathing" apparatus in the design.

Now, perimeter drains do, indeed, get clogged if not designed and installed properly, or maintained from time to time. Fine particles from surrounding soils and tree roots from nearby trees can be cause for clogs. That would have little to do with your sump pump cap.

When installing any perimeter or foundation drain, one should try to provide a "clean-out" after every 2 pipe bends. The "clean-out" is basically a vertical riser from the drain line up to grade with a "wye" connection at the drain pipe, into which a snake or other cleaning mechanism can be introduced to rout out the roots or other debris.

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