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Old 04-27-2011, 08:55 AM   #16
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How to create angled cement floor in crawlspace


Also search "ground gutter" A fancy french drain.

I am putting one in now to address a steep slope to a foundation.

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Old 04-27-2011, 09:23 AM   #17
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How to create angled cement floor in crawlspace


Thank you for the thought (lowering water table) but as I mentioned at the outset, it's a fact. The home is 75 yards from a tidal inlet. The entire property is in a zone regulated by both local and state environmental agencies. Conventional remediation for crawlspace water does not work. It is a certainty that at certain times of the year there will be water coming into the crawlspace of my home and of all my neighbors homes. The best response to this that I've seen has been a well-contoured floor that causes all the water to drain to the sump pits...this is best because as soon as new water stops coming in, the space dries out fast (everyone uses dehumidifiers). I have standing water (because my floor does not route water to the pit) and that water has to evaporate (ie contribute to overall humidity) to leave. I want to pump it out, not remove it from the air.
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Old 04-27-2011, 10:29 AM   #18
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How to create angled cement floor in crawlspace


Hi Micheal

I used a die grinder and 3 inch cutting wheels to channel a "ditch" in my concrete, moving standing water to a drain. I would not do it again.
#1 took HOURS, dirty job, full face mask, hands vibrate for hours after.
#2 you still have to angle the pitch of the ditch, as well make it deep enough as not to have standing water in the ditch itself (is that clear?) lots of fiddling around, grinding here, just to make another high spot there.
#3 my ditch gets plugged/blocked on a weekly basis by dirt and debris.

IMHO...Cut a hole in the middle of the lake and put in a sump pump, or use a cement quick saw, cut a 2 inch wide track completely through the slab, put in a 2 inch abs pipe, cut in half or drilled will holes, sloped/graded properly to the area you want.

Not too many low cost solutions only band aids, standing water sucks

Good luck
Frank
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Old 04-27-2011, 11:52 AM   #19
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How to create angled cement floor in crawlspace


If there is truly no way to lower the water table, that would be my suggestion as well.

Sump pump under the puddle and enough french drains around it to funnel water to it.

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