How To Fix A Leaking Basement From The Inside: Tips For Homeowners

Many homeowners desire a dry basement. If you have waterproofing issues, you may wonder how to fix leaking basement properly and whether it can be done from the inside. In our piece, we will examine the causes of a leak, the signs, and how to fix the problem.

Understanding the Problem of a Leaking Basement

A leaking basement cannot be ignored. Small wet spots on the walls can eventually become a real problem, compromising the foundation’s structural integrity.

Why Is My Basement Leaking?

Basement leak most often occur due to the following causes:

• high hydrostatic pressure, where groundwater presses on the foundation and seeps through porous walls and cracks;
• clay soil;
• foundation walls made of porous concrete;
• compromised waterproofing;
• clogged or damaged basement drainage system;
• leaking pipes;
• improper maintenance of window vaults;
• cracks in the home’s foundation.

A leak can be caused by one factor or several. If there is a problem, you must start repair it immediately.

Signs You Need to Fix a Leaking Basement

Several signs can indicate the need for basement leaking repair:

• Dampness and dampness in the basement;
• A distinct musty odour;
• The appearance of mould or fungus on the walls, floor, and ceiling;
• Cracks in the basement floor;
• Wet basement walls and/or windows;
• Condensation on the walls or ceiling;
• Basement doors do not open or close properly (they can swell from high moisture);
• The water heater in the basement is constantly wet.

Also, if you notice peeling or bubbling paint on the walls, fixing waterproofing in the basement may be necessary. Do not delay fixing the problem; this only leads to more work.

How to Fix a Leaky Basement From the Inside

More often than not, homeowners are looking for ways, how to fix basement wall leaks from inside. It is the most practical method of preventing water damage and eliminating high humidity. Qualifying fixes leaks from the inside involves several steps:

1. Inspect the walls for cracks and holes and prepare them for repair. Remove debris, dust, and traces of chipped paint. Fill cracks with hydraulic cement.
2. Apply a special primer for waterproofing. It promotes adhesion and seals the porous surface, providing additional moisture protection.
3. Apply a waterproofing sealant designed for interior work. The most commonly used are silicate concrete sealer, waterproof paint, or liquid rubber sealer.
4. Apply the waterproofing. It is best to use a roller, brush, or sprayer. The basic waterproofing product should be applied to all surfaces, especially corners. The waterproofing is applied in several layers (according to the manufacturer’s instructions).
5. Allow the material to dry. The manufacturer indicates the timing of the package.
6. After complete drying, check for missing places or areas where another layer of waterproofing is required. The sealant must be integral and without visible defects.

Proper ventilation is also worth taking care of to keep the basement dry for a long time. You can also use a dehumidifier or install a special sensor to control humidity. Don’t forget to inspect your basement regularly and address any moisture problems that arise promptly.

Solutions for Basement Leaking Repair

Different solutions can be used to address basement leaking water effectively:

1. Sealing cracks in the home’s foundation. Hydraulic cement or epoxy fill can be used.
2. Interior Sealant. It creates a barrier, keeping moisture out.
3. Encapsulation. The walls and floor are covered with a vapour barrier.
4. Installation of a sump pump to collect and pump moisture away from the foundation.
5. Installation of wall anchors to prevent the wall from sagging and shifting in the future.
6. Drainage System. You can use exterior drainage or interior French drains.

It is best to consult a professional to choose the best option for your situation.

How to Repair a Leaky Basement Permanently

Fully fixing a leaking basement requires stopping moisture infiltration and possibly hydrostatic pressure relief. To repair a basement permanently, you need to seal cracks and other structural damage and give it a full treatment, which may include creating a drainage system.

Note that no handyman will give a lifetime warranty. If the work is done correctly, the internal waterproofing in the basement can serve for many years. The longevity depends largely on the extent of moisture damage in the basement and the quality of the repair material used.

Fixing Basement Wall Cracks

The most popular way of solving the moisture problem is fix defects (cracks) in the walls. In this case, hydraulic cement is most often used. First, the wall is cleaned, after which the master applies a thick layer of hydraulic cement. It hardens quite quickly, creating a waterproof barrier. It needs to be covered with a special rubber membrane on top.

DIY vs Professional Help for Basement Leak Repairs

You can look for ways on your own, how do you fix a leaky basement, or you can use professional help.

When to Fix the Basement Leak Yourself

You should look for options on how to fix a leaky basement yourself if you are dealing with small defects. For example, you can fix a small crack yourself. At the same time, for a comprehensive and reliable result, you should turn to the masters of their trade. Basement waterproofing specialists have enough knowledge, experience, and specialised tools to effectively insulate your home’s foundation from the damaging effects of moisture.

When to Call a Professional for Basement Leak Repair

Calling a professional is imperative in the following situations:

• Serious basement damage with permanently damp walls and dampness – in this case, a professional foundation inspection is required;
• Mould, fungus, and rotting wood – these symptoms indicate long-term moisture problems;
• Large cracks in the walls and floor.

It is worth contacting professionals if you tried to solve the problem but did not improve the basement’s condition. The craftsmen can perform a professional inspection, identify structural problems, and prevent serious damage that water can provoke.

Preventing Future Basement Leaks

To avoid wondering how to repair a leaky basement in the future, there are a few preventative rules to follow:

• keep your drains clean to prevent clogs;
• regularly check the drainage system to ensure it effectively drains water away from the foundation.

It’s also worth noting that a well-designed yard layout can prevent water from accumulating at the house’s base. You can also install exterior or interior drainage systems to drain water effectively.

Regular Maintenance to Avoid Basement Leaks

Regular inspections and skilled maintenance can significantly prolong the effectiveness of basement waterproofing. The basement should be checked regularly for damage and other signs of leaks, and the drainage system should also be cleaned. Clogging is one of the main causes of recurring problems, and water must be drained effectively at all times.

Improving Drainage to Fix Basement Leaks from the Inside

If your drainage system is failing or has serious problems with water drainage, it’s worth considering improving drainage. If water constantly seeps into your basement, it’s best to have an internal drainage system instead of an external one.