Waterproofing Basement Walls From Inside: Sealing Your Concrete Block Walls

Waterproofing your basement walls from the inside is a great way to keep them dry. Water can come from outside or even the ground below your home. Moisture in the air and water vapor can also cause dampness in your basement. Water causes structural damage to your house and makes it more likely to have mold growing on any surface it touches. Waterproof basement walls are an essential step for anyone who wants their home to stay as dry as possible!

Fortunately, there are a few different ways to waterproof basement walls from the inside. We have shared everything in this ultimate guide you need to know about waterproofing basement walls from inside.

What Causes Wet Or Moisture Basements?

There are a few different reasons for wet or moist basements, but water seeping outside is most common. It can come down through cracks in your home’s foundation and enter the basement walls near those cracks.

Water vapor barrier also affects dampness inside your house – even if it isn’t coming from outside! Water vapor can seep into your walls and settle in the basement.

Why Do You Need Waterproof Basement Walls?

Water in the basement is a big issue. Water will keep your home from being as dry, and it can cause significant structural damage to vulnerable areas of your house – like wood framing or insulation. Waterproofing your walls not only keeps them clean but also protects them against all types of water.

Top Three Basement Waterproofing Methods

There are three main ways to waterproof foundation walls from the inside. These methods include interior waterproofing, exterior waterproofing, and drainage systems. Waterproofing your basement is an easy DIY basement waterproofing project that will keep it dry and prevent basement leak damage.

Interior Waterproofing

Interior basement waterproofing systems involve finding and filling cracks that could be letting water seeping. Applying a waterproof masonry coating over those areas, so they are sealed off against moisture.

You may also want to take care of some other details like repairing or upgrading gutters and downspouts to keep water from getting inside your home.

Exterior Waterproofing

Exterior waterproofing is a great way to make sure that water can’t get inside your home. It involves adding layers of waterproof coating to the outside surface and filling any gaps or cracks.

Waterproofing exterior basement walls ensure that water won’t seep through to the inside of your house and can also be used in other areas like patios or porches.

Drainage System

Water drainage systems are also an excellent way to prevent water from coming into your basement altogether. If you already have a drainage system, you can upgrade it and make sure any gaps in the pipes are filled so that water stays away from your basement walls.

Waterproofing with a drain is one of the easiest ways to waterproof basement walls because all you need to do is take care of those details.

How To Waterproof Basement Walls From The Inside?

How To Waterproof Basement Walls From The Inside

Waterproofing basement walls from inside is a project that takes care of all the hard work for you. Here are some tips that you need to do and some that you should not do-

Things To Do

Find The source of the water: To waterproof foundation walls, find the source of water penetration.

Fill cracks and gaps: If the water comes in through cracks or gaps, fill them with sealant. Make sure you seal them properly so that there are no more openings on any surface that water can get through.

Apply A masonry: Paint them with a waterproof masonry coating to seal off any surface that water could seep in on. This will protect your home and keep it dry.

Repair or Upgrade gutters or downspouts: To ensure moisture doesn’t come into your house, make sure you take care of some other details like repairing or upgrading gutters and downspouts. Water can also come in through a leaky roof, so take care it too.

Things Not To Do

Never Start Waterproofing When Water Is Still In The Basement: Waterproofing your basement walls while water is still in the area will make it challenging to deal with. Water can seep into cracks and gaps, so it’s better not to start waterproofing until after you’ve removed all of the contaminated or wet surfaces.

Don’t miss checking window well leaks: Window wells can be an excellent place for water to come in through. One thing you should never do is start waterproofing when there’s still water in the window, or else it’ll only seep back in.

Avoid Sealer Over Painted Walls: Waterproofing basement walls from the inside will make them look better and seal off any water penetration, but don’t paint on a waterproof coating over painted or sealed surfaces. This can cause new leaks to form in your home as well.

Don’t Forget To Add An Interior Drainage System: If you want to waterproof the basement flooding walls from the inside, it’s also essential to take care of other types of moisture barriers. Add an internal drainage system to avoid any problems and keep your home dry.

How To Fix A Basement Wall Leak From The Inside?

To fix the leaking basement wall from the inside, seal up any cracks in the basement wall with silicone caulk. Apply some waterproofing compound or sealant to the exterior side of leaky basement walls.

This can be done by either painting, spraying, brushing it on. Also, dipping a cloth into the solution and applying that to the leaky spot, or laying down a waterproofing mat on the leak. The compound should be left to dry for about 24 hours before water is allowed back in contact with it.

If your leak has come from an area outside of the house, such as a broken pipe, and you want to fix leak problems once and for all, then waterproofing the outside of leaky basement walls is also a good idea.

What To Use On Basement Walls For Waterproofing?

Basement waterproofing solutions can range in complexity and severity – the most popular two approaches are basement wall repair and basement foundation repair.

Basement foundation repair: For basement walls that have been damaged by water seeping in from outside, a basement waterproofing solution may involve digging out dirt and debris to expose the wet cement. The idea is to waterproof concrete block walls with new ones – first adding fresh mortar, followed by at least two coats of sealant or waterproofing.

Basement wall repair: This entails creating a barrier between the wet basement walls and any water that might be outside, such as by installing waterproof basement siding or basement insulation. Shingles are then installed over top of the waterproof material – which is essential to make sure there’s enough space for moisture to escape when it rains.

How To Stop Water From Seeping Through Basement Walls?

There are many ways to stop water from coming through the basement wall. Still, the best option for most people will be installing polyurethane foam on top of the concrete block and applying another layer of drywall over that.

Is Basement Waterproofing Worth It?

Basement waterproofing is more necessary than ever before. With the cost of home insurance on the rise, it’s worth considering what you can do to protect your family from potential water damage.

If nothing else, basement waterproofing will give you peace of mind that comes with a sense of safety and security. If anything should happen again, your basement will be protected by waterproofing.

Final Words

I hope you found this blog post on Waterproofing Basement Walls From Inside helpful. It answered any questions that might have come up when trying to waterproof basement walls from inside.

As you can see, Waterproofing basement walls is a DIY project that can save you money and keep your family dry. The process is pretty straightforward, but it does require some time and patience to complete the work.

Let me know in the comment section how this has worked out for you.

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