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Water seeping through bottom of basement wall and floor

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Posted by: from Brampton
1/20/2020 at 11:41:13 AM

I have couple of leaks in my basement where, water seeps in from the bottom of the wall where vertical wall and floor meets.

I got it inspected by structural Eng. and his thoughts were, the Weeping Tile around the basement wall is blocked. If at all that is the case, what are the options of fixing it which would be permanent fix ?

Note that, this leak is only on one wall of my basement.

History:

When we bought this house, there was a vertical crack on the same wall. there was water leak through that crack whenever it rained. we got it fixed by injecting the crack. for about two years, there was no water coming through that crack. after two years, we see some water coming through that crack from vertical wall but, amount of water is much much less. however, on the same wall, about a distance of 10 feet, we see, water seeping through the bottom (where the wall and floor meets). amount of water coming through is again not a lot but is constant and creates a stream of about 10 foot.

Water seeping through bottom of basement wall and floor
Water seeping through bottom of basement wall and floor
Water seeping through bottom of basement wall and floor
Water seeping through bottom of basement wall and floor
Water seeping through bottom of basement wall and floor
Water seeping through bottom of basement wall and floor
Water seeping through bottom of basement wall and floor
REPLIES (8)
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Date/Time1/20/2020 at 12:29:46 PM

This really isn't my specialty, but I would agree that there is a blockage in the weeping pipe. In fact, it may have been the main contributor to the crack in the wall all along. I would contact a professional in this field and get an assessment as well as a few estimate's to repair it and go from there.

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Date/Time1/20/2020 at 1:20:30 PM

I'm going to say the outside of the foundation would need to be dug up and I would have to inspect the foundation.

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Richard in Edmonton
Date/Time1/21/2020 at 8:35:08 AM

I agree with the others that you likely have a problem with the weeping tile not working properly. Weeping tile is normally placed alongside the footing with the concrete floor sitting on top of the footing.

There's a likelihood you will need to dig up the weeping tile to solve the problem however there could be other contributing factors such as grading and eaves trough discharges that could be improved.

The Code requires that foundations project a minimum of 6" above grade; recommended a min 10% slope for the first 6'. It's also a good idea to have a clay cap surrounding the home with positive sloped.

You could contact a camera inspections contractor and see if the weeping tile could be viewed.

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Date/Time1/21/2020 at 11:28:29 AM

Your weeping tile must be blocked. In the summer your grass in your backyard must be damp most of the time. Better to fix it properly. replace the weeping tile

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Chintan in Brampton
Date/Time1/21/2020 at 12:55:18 PM

Thank you all for your reply. It looks like a weeping tile issue.

What is the best way to fix this issue?

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Date/Time1/21/2020 at 6:01:11 PM

There is a possibility that the groundwater level may be above the level of your basement floor at times. In this case the Code calls for 'waterproofing' as opposed to 'dampproofing'. Where waterproofing is called for it is supposed to completely wrap the floor and footings and continue up the foundation walls to a point above the water table. Lets hope you don't have this situation. Its also possible you don't have weeping tile as there is an exception given in the Code if the soils are well drained

If it's not a groundwater level problem then it's likely the simpler solution of digging up around the home and placing weeping tile and washed rock (plus a protective fabric) and while you're at it make improvements to the exterior dampproofing. Dampproofing is supposed to be applied in 2 coats (by a standard referenced in the Code) but at least in our neck of the woods it's common practice to only apply a single coat which tends to become ineffective fairly quickly.

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Donna from MDI Design & Build in Toronto
Date/Time1/21/2020 at 11:43:59 PM

As a waterproofing contractor I would definitely agree that the weeping tile is blocked . The proper fix would be to dig down to the footing on the wall with the leak replace the weeper with new wash the wall repair any cracks with a crack sealant parge the wall followed by tarring it then installing delta ms membrane . Then backfill approx 2 ft with 3/4 clear stone and then backfill . Please feel free to call and we can give you a proper estimate .647 968 4085

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Date/Time1/23/2020 at 8:37:34 PM

You are describing water seeping from what is most certainly the cold joint.That is where the foundation wall, footing and interior slab all conjoin. If it is also making it through a crack further up the wall then you do have a problem with water building up via either clogged tiles or a malfunction of the entire assembly via contamination of the clear crush drainage medium. Unfortunately many contractors pour the footing and walls separately and depending on the waterproofing measures on the exterior it invariably will weep over time. In my experience this cannot be repaired from the inside... I have tried on several and it is always a temporary measure. I am not where you are regionally but we deal with this all the time on the west coast. In order to effectively repair you should excavate and waterproof from the outside and repair the entire assembly. A pipe camera may tell part of the story and a cleared clog may be enough to keep the water ingress at bay for awhile but without a more full picture... your location, if downspouts are tied to storm, soil type, surface runoff control, age of house etc it is difficult to make a more accurate call. In addition we have 100 yr rain events every year now and the systems designs, even current methods are sometimes not adequate to handle the hydrostatic pressure from fully saturated soils. I welcome you to call me if you would like further input. Richard 250 927 8979

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