15,000 Gallon Concrete Reservori Leaking. - Plumbing - DIY Home Improvement | DIYChatroom

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Old 12-24-2010, 10:28 PM   #1
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15,000 gallon concrete reservori leaking.

How can I seal a slow leaking, 25 year old, rebar reinforced concrete reservori? Appears leak must be in the floor of the reservori, no sign of leaks in the walls.


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Old 12-25-2010, 09:31 AM   #2
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1. Drain the reservoir, then repair any cracks and put waterproofing (they make a trowel-on concrete like spackling) on the inside surface.

2. Install a flexible sheet plastic liner or bladder (may or may not require draining the reservoir.

3. Don't drain the reservoir but have a not-so-deep sea diver go down and patch any cracks with hydraulic cement.


Tornado victims: Do not rush to rebuild. Take your time and look for and get a good contractor. Or consider selling the property and moving to a home that is ready to live in.
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