water proofing under in-wall tank system.

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dr_sudz

Jack Dempsey
MFK Member
Mar 6, 2006
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Wiarton, Ontario
www.fishinabox.ca
Alright, I have a tank in an office. The problem is that the sump was poorly built and at times will over flow and run out onto the floor which then seeps under the wall out into the expensive carpet that is getting ruined. Not that this happens too often but even a couple times a year is not good. What I was going to do is try to water proof between where the sump sits and the wall to the office is, the question is what is the best way to do this? I was thinking of parging the floor and wall, or running pond liner so that it prevents the water from running into the office area. Does anyone have any suggestions on other ideas or on what to use for parging the walls and floor? The stupid thing is there is a drain in the area of the sump but it is up 5" off the ground I am going to see if they can bring it down level with the floor as well.
Thanks in advance.
 
ya your cheapest solution is to fix or replace the sump... other wise instead of using a pond liner, you can try a shower membrane.... it is a orange fabric role, you put it down with thin set on the floor and up the wall and then you can tile over it or put the carpet over it on the floor.

but I would highly recommend just replace/repairing the sump, the water proofing reno would probably cost around $500-$800 maybe more depending on the size of the area because the water will need some where to go since you will be sealing the floor and wall....
 
Set the sump (even the new one) in a secondary housing with a water alarm in between the two. If space is at a premium this could just be EDPM liner loosely wrapped around the sump. Use a small pump to evacuate overflow to the drain.

This could all be automated.
Have a high/low switch on the sump and a pump to send any surges to the drain. A low water level alarm would be helpful here.

Dr Joe

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Why don't you put a tubing from the 5" drain and connect that to an overflow tub like a 20-30G rubbermaid box kind of like how a car radiator has that overflow container. That way once it reaches the 5" drain it'll just overflow into the tub... I mean if you notice a huge drop in the water level then you should know something is wrong.

If you replace the sump with something of better capacity then you probably don't have to worry about it or at least put an automatic shut off switch in there.
 
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