Steel water tanks have served the valuable purpose of housing our drinking water for over 150 years. But times have changed, and water tanks made from concrete have become popular due to their accessibility and cheap building materials. But concrete, tough and durable as it may be, can’t last forever.
Underground tanks typically have a twenty-year long lifespan, but their maintenance and outside factors like corrosion all play a role in their wear and tear. This means concrete water tanks are also susceptible to cracks and faults.
So what are you to do when you spot a break in your tank?
Here are the necessary tips you need to fix existing cracks and how to prevent further damage by using concrete water tank liners.
- Drain and clean your tank thoroughly.
- Order a liner for your concrete tank. Custom linings help prevent the stored water inside from becoming contaminated. It also helps to extend the service life of your tanks by warding off erosion and leaks. These heavy-duty flexible tank liners can mold to any shape and size, so measure the circumference of the tank to ensure you’re ordering the perfect fit.
- Step into your empty tank and use a chisel and remove the loose pieces of matter surrounding the crack. You want to even out the surface as best as you can. Then, remove the debris from your work site.
- Next, purchase a concrete binding agent and brush it along the crack. It dries fast so work quickly. Allow it to dry until it appears to have a tacky consistency.
- Now, in a separate bucket or container, add one part hydraulic cement with three parts water. Use an electric drill with a paddle attachment to mix the ingredients properly. The cement should have a cakey texture.
- Using a trowel, smooth this concrete mixture over the crack. Remove any excess cement before it dries. Then, leave the finished product to dry. This should take about an hour.
- Lastly, you need to install a new liner. This step is crucial considering all tanks storing water meant for human consumption require the use of concrete water tank liners. But know, that according to the Environmental Protection Agency, tanks holding less than 110 gallons are not subject to follow said regulations.
- Use an adhesive to coat the walls of the tank. This will allow the liner to stick properly.
- Whether you’re doing this project alone or have a team backing you up, always start in the middle of the tank and unfurl the liner, so it’s covering the entire perimeter of the tank. Press the material into the walls, and you’re done.
And just like that, you’re protected from damaging elements like corrosion and daily wear and tear. Installing concrete water tank liners ensures that your tanks are protected from leaks for the next decade or so and will give you the peace of mind you need.
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