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How to Fix a Foundation Leak from the Inside

basement foundation repair

Discovering water or moisture inside your basement can be stressful. For starters, the source of the water may not be obvious.

Even if it is clear where the moisture is coming in from, there is still the issue of figuring out the best type of permanent fix.

Plus, where there is one basement leak, it is very likely there are more, and these may not be so easy to spot!

What should you do when you discover moisture or water in your basement? What type of treatment will make sure the problem doesn’t reappear again or show up in another location later on?

We will answer these and other important questions about how to fix a foundation leak from the inside—for good!

The Good News & the Bad News About Foundation Leaks

Every day, a homeowner in Canada will wander down to the basement to discover moisture. It might come in the form of general dampness, a lingering humidity in the air or a slight sheen on the walls and floors.

It might show up first as window condensation or mildew that starts to colonize a neglected chilly corner.

Or it might appear as a drip, a trickle or, worst of all, a gush of water coming into the basement from somewhere else in or around your foundation.

Here, there is good news and bad news. The good news is that you have discovered the leak. This means you can fix it before it gets even worse.

The bad news is that, just as with roof leaks, where there is one foundation leak you can see, there is likely to be another you can’t see, and that leak may continue to get worse until it finally makes its presence known with disastrous consequences.

Is Patching Up a Foundation Leak Enough?

Here, it nearly goes without saying that your newly discovered foundation leak hasn’t arrived at a convenient moment.

You probably don’t have wads of extra cash languishing about in your savings account for just such a homeowner’s repair need as this.

Even if you do have stacks of cash saved up, chances are good you weren’t planning to spend it on patching up a leaky foundation!

So if you are like most homeowners, you are keen to spend as little as possible to take care of the leak and move on to other, greener (and drier) pastures.

But will a patch do it? How can you know for sure? The answer is that opting for a simple, single-leak patch is always going to be a gamble.

When patching the leak makes sense

The argument for patching the single leak and calling it a day is when it seems fairly clear the leak is caused by a single structural issue that is unlikely to be found elsewhere.

For example, let’s say that with a bit of exterior excavation, your technician discovers a massive tree root pressing in on your foundation wall that is allowing stormwater and runoff from your lawn watering system to seep inside your home.

This is a great example of a situation you are unlikely to find elsewhere, and thus applying a single patch to the leak you’ve found may be enough to resolve the issue.

When patching a leak does not make sense

Over time, even the sturdiest foundation can begin to experience age-related wear and tear. And if the original foundation was not so sturdy or well-constructed, this is going to intensify the degradation once it begins.

A foundation that is settling incrementally due to age, wear and tear, changing soil conditions or other comprehensive factors will probably need more than a band-aid leak patch to resolve the issue.

What to Do When You Discover a Foundation Leak

If the word “panic” springs to mind here, you are definitely not alone! It is only natural to panic when you discover the underlying structure you rely on to support the rest of your home is no longer in perfect working order!

What you really need is to know the extent of the issue so you can make some decisions about what to do now, what to do later and how to budget for the essential repairs.

So the best first step is to contact a professional to do a leak assessment. With today’s modern moisture detection tools, we can identify the scope of the moisture issue and assess the existing and potential impact to your home.

Once you know what is wrong, you can make decisions about next steps. We can talk through options for repairs, including leak patches and waterproofing options.

Fix Your Foundation Leak from the Inside with Waterproofing

If you are an experienced homeowner, you may have heard about different types of foundation waterproofing services. There are two main foundation waterproofing methods: exterior waterproofing and interior waterproofing.

Exterior waterproofing can be a great option as a preventative treatment for new construction or during a major renovation.

At other times, interior waterproofing is generally regarded as the better option. Interior waterproofing doesn’t require displacement of surrounding soil, lawn and landscaping, and it can typically be done in such a way to preserve a basement space (if applicable) as a useable part of your home.

Plus (and this is the part most homeowners like the best!) interior foundation waterproofing is cheaper than exterior waterproofing.

Foundation waterproofing can fix a foundation leak from the inside either as a standalone solution or in conjunction with other repairs that may be needed (for example, mould or moisture remediation, bowed or cracked walls, walls separating, foundation settling).

Get in Touch

Contact us online or give us a call at 1-866-875-6664 if you suspect your foundation may have a leak! We can help.

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