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Pond Leak Repair Methods That Can Restore Your Pond

Find Out How You Can Plug The Leak In Your Des Moines Water Feature
Checking for pond leaks

You can choose between 4 pond leak repair methods to fix your pond: using a sealant, using a repair kit, using joining tape, or getting a whole new liner. The method you choose depends on how bad the leak is. Some only need small repairs while others need a full replacement.

You can find out more about these repair methods below.

When Your Backyard Is Actually A Giant Puddle

*SPLASH* “Hahaha, this is so fun!”

Lori watches as her grandchild runs and jumps around their backyard. There are plenty of wet spots to splash around in, which is kind of weird.

Golashes in a flooded grassy area

There hasn’t been any rain for the past week.

And yet, Lori’s backyard has puddles in it all over the place. David thinks their pond is leaking and turning their yard into a swamp. She sighs as she realizes he’s probably right.

Lori pulls out her phone to call a contractor for pond leak detection and repair help.

Here is what happens.

There hasn’t been any rain for the past week.

And yet, Lori’s backyard has puddles in it all over the place. David thinks their pond is leaking and turning their yard into a swamp. She sighs as she realizes he’s probably right.

Lori pulls out her phone to contact a contractor for pond leak detection and repair help.

Here is what happens.

Checking For Pond Leaks

The contractor’s crew shows up ready to take a look at Lori’s pond.

They start going through their pond leak detection process to find out where the water is escaping. The team thoroughly checks the liner, plumbing, and other areas.

“We’ve found the problem! Your liner is letting water get through to flood your yard,” the foreman tells Lori.

“What are our options?” she asks.

4 Pond Leak Repair Methods

Pond leak repair for liners can be done in 4 different ways depending on how bad the leak is. A sealant is great for small repairs, repair kits for medium repairs, joining tape for adding more liner, or a whole new liner if the damage is bad enough.

Pond liner with large tear

The foreman finishes right as David walks over to join them. “I thought we hadn’t yet figured out the whole pond leak vs evaporation deal yet,” he says. Lori tells him the foreman confirmed it was a leak and that there were a few different options for fixing it.

“Would you mind telling us a little more about each pond leak repair method?” David asks.

“No problem. Let’s start with liner sealant.”

1. Pond Liner Sealant

This repair method is great for damages 1-2 inches wide and for stopping leaking waterfalls and fountains. It’s safe for fish too.

As for how to use pond liner sealant:

  1. Drain the pond to below the leak area
  2. Dry the leak area
  3. Squirt the sealant onto the damaged area
  4. Wait for the recommended curing time
  5. Refill your water feature
Multiple small tears in pond liner

“Good to know it’s safe for our fish,” Lori says. “That’s one good part for sure, but it has its fair share of pros and cons,” the foreman warns.

Pond liner sealant is 100% waterproof, easy to use, and not expensive. But it’s not as durable as a patch, can take 8 hours to set, and you have to drain the pond down to where the damage is.

“That sounds alright, but I’m guessing it’s not going to fix our problem,” David guesses correctly. “What about the other pond leak repair methods?”

2. Pond Liner Repair Kit

It’s kind of like sewing a patch onto clothes but without the sewing part. Most repair kits come with primer, a self-sticking patch, and a roller. They come in 2×2 inch all the way up to 30×30 inch squares.

To use a pond liner repair kit:

  1. Drain the water down to the hole
  2. Dry the area around it
  3. Apply the primer
  4. Cut the patch into a circle
  5. Use the roller to apply the patch
  6. Wait a few minutes for it to set
  7. Refill your pond
Large tear in pond liner

“What are the pros and cons of this pond leak repair method,” Lori questions.

It’s easy to use, blends in well, only takes a few minutes to set, and it comes with everything you need. The downsides are you have to drain the pond and dry the damaged area.

“This sounds like what we need,” David claims. “Actually, the problem isn’t a hole or tear, it’s the liner size,” the foreman claims. “It’s not big enough to protect everything, which leaves you with the next 2 options.”

“Let’s hear them.”

3. Pond Liner Joining Tape

When you need more liner but don’t want to buy and install a whole new one, you can use pond liner joining tape. It’s like double-sided tape.

Here’s how to use it:

  1. Clean and dry the liner
  2. Apply primer
  3. Stick the old and new liner together using the double-sided joining tape
  4. Wait while it sets

Pond liner joining tape is great for small damages and resealing skimmer boxes. But it needs dry liner to work and can be hard to prepare.

“Then the last pond leak repair method must be the replace the whole thing,” Lori guesses.

“Exactly,” the foreman confirms with a nod.

4. Replacing Your Pond Liner

When repairing it costs more than getting a new one, it’s time for the biggest repair method: installing a whole new liner.

To do this:

  1. Drain and clear the pond
  2. Remove the old liner
  3. Lay down the new liner
  4. Put everything back together
Laying down pond liner

“Now this is the most expensive method but it should solve any problem. As for your pond, I believe adding more liner with joining tape will fix it,” the foreman finishes.

The relief shows on the couple’s faces as they hear this. They start talking to the foreman about their next steps so they can fix their pond. Then they can go back to enjoying it and their yard again.