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Old 12-08-2010, 05:23 AM   #16
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basement waterproofing question


hence the ' everyone who installs sub-floor water management systems has their little twists ' & ' water management ' useage,,, 1 of the great divides is our language still the 1 great challenge we constantly face is education of the consumer !

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Old 12-08-2010, 05:40 AM   #17
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basement waterproofing question


:-) I totally agree, Conc!
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Old 02-10-2011, 01:04 PM   #18
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basement waterproofing question


I'm interested in what you would recommend for a concrete sealer. I have the same issue as the homeowner in your photos and I really need to get my basement moisture and mold issues under control. I live on a hill and get water soaking into the walls of my basement. Any help you can provide is appreciated. I've "friended" you, or whatever they call it here, so please send me a private message if you have recommendations. I was wondering about Hydro Ban - though I'm realizing it is mostly used for showers, pools, etc. Thanks in advance for your help!

- kaia
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Old 02-11-2011, 05:28 AM   #19
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basement waterproofing question


there are many good sealers available but the trick is to pick the 1 that will best accomplish the task,,, in the case of basement 'waterproofing' ( using a term most accept as true, there isn't ANY available,,, we/you either stop wtr from OUTSIDE of the bsmt wall OR 'manage' it on the inside,,, IF you prevent the water from showing up on the wall's surface, that doesn't stop it from penetrating said wall to the point of the applied mtl.

sorry - there is NO SILVER BULLET ! private messages won't change the reality the Almighty never meant us to live below-grade man left caves centuries ago we either dig from the outside & do it right OR we dig inside & install sumps & pumps

wtr still runs downhill even in caves !
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Old 02-11-2011, 11:13 AM   #20
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basement waterproofing question


Conc -- Most water management systems are called "Basement Waterproofing" systems because the difference is semantic and that's what people are looking for. If you do Google keyword research, that's what people are calling it -- and marketers want to be where the customers are.

Homeowners are generally not well versed in the technical meaning of "Waterproof" anyways, and they really don't care exactly how the water's kept out of their basement as long as they don't see it, feel it, smell it, or have to deal with mold issues.

As far as the original question goes -- A concrete sealer isn't really an appropriate product to use to seal a basement and expect it to keep water out of your house. Concrete sealers are good for humidity control only -- exterior waterproofing or a sump pump system are the only ways to go when it comes to a dry basement.

That being said -- definitely do not get a sealer that "coats" the walls -- try to find one that penetrates into the concrete. The coatings will tend to peel and flake off, becoming a much uglier problem in the future.

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there are many good sealers available but the trick is to pick the 1 that will best accomplish the task,,, in the case of basement 'waterproofing' ( using a term most accept as true, there isn't ANY available,,, we/you either stop wtr from OUTSIDE of the bsmt wall OR 'manage' it on the inside,,, IF you prevent the water from showing up on the wall's surface, that doesn't stop it from penetrating said wall to the point of the applied mtl.

sorry - there is NO SILVER BULLET ! private messages won't change the reality the Almighty never meant us to live below-grade man left caves centuries ago we either dig from the outside & do it right OR we dig inside & install sumps & pumps

wtr still runs downhill even in caves !
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Old 02-11-2011, 11:13 AM   #21
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we/you either stop wtr from OUTSIDE of the bsmt wall OR 'manage' it on the inside,,,
There's a guy at the house we're buying working on that right now. He dug to the foundation, put in perforated pipe and gravel in the trench, sprayed rubber on the outside, an put up a drainage mat, and finally piped it all to daylight and re-graded so the water will run away from the house.
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Old 02-11-2011, 11:19 AM   #22
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basement waterproofing question


where's the pipe drain - to daylight or to a sump &pump ? positive drainage & proper back-filling is critical as the soil must be placed in compacted 'lifts'

which sprayed rubber system - rubber-wall is excellent
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Old 02-11-2011, 03:16 PM   #23
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If you do that, make sure that you have a layer of crushed stone over the preforated pipe AND some filter fabric. Those pipes are notorious for clogging with mud and debris, and if they clog, you'll have to dig the whole thing up to replace it, or install a sump pump on the inside anyways.

Not for nothing, but the product my company sells can be used in lieu of rubber if you want -- Concrete Treat. We have several construction companies using it in lieu of gradeline tar, and they find it cheaper and easier to use, and it doesn't corrode from soil conditions like tar will sometimes will.

Really, though, while I'd love to recommend my product for this, you're probably better off doing the job from the inside with a sump pump system. Then you don't have to worry about digging everything up. It's cheaper and less labor intensive, and it'll get the job done just as well.

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There's a guy at the house we're buying working on that right now. He dug to the foundation, put in perforated pipe and gravel in the trench, sprayed rubber on the outside, an put up a drainage mat, and finally piped it all to daylight and re-graded so the water will run away from the house.
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Old 02-11-2011, 03:44 PM   #24
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basement waterproofing question


treat, is it a silicone siloxane OR acrylic product ? we use sonneborn's sonolastic troweled on,,, yes, its labor intensive but also bullet-proof when protected w/miradrain.
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Old 02-11-2011, 04:42 PM   #25
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basement waterproofing question


Quote:
Originally Posted by itsreallyconc View Post
where's the pipe drain - to daylight or to a sump &pump ? positive drainage & proper back-filling is critical as the soil must be placed in compacted 'lifts'

which sprayed rubber system - rubber-wall is excellent
I don't know which rubber system. The pipe drains to daylight.


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Originally Posted by ConcreteTreat View Post
If you do that, make sure that you have a layer of crushed stone over the preforated pipe AND some filter fabric.

[snip]

Really, though, while I'd love to recommend my product for this, you're probably better off doing the job from the inside with a sump pump system.
They put in a lot of crushed stone and covered it with filter fabric.

According to the lady next door, the basement only got water "once in a while." The owner is paying all the costs. One thing that definitely works out better this way is that they discovered that all the dirt had washed out from under the carport slab. They were able to correct that by drilling holes and pumping concrete. We wouldn't have figured that out until the slab broke otherwise.

I'm not the homeowner at this point in time, so I have limited options. Here's a photo of the work:



The vertical pipe is going to connect to a drain in the driveway.
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