Sealing Your Basement Walls To Keep Water Out

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Sealing Your Basement Walls To Keep Water Out

13 August 2019
 Categories: , Blog


Water can damage the foundation of your home and cause the concrete walls of your basement to crack and become weak. If the concrete walls are exposed to water long-term, they have the potential to allow water to seep through the walls and get into the basement, damaging items in the basement. There are some things you can do to stop the water from coming in, and they range from easy DIY projects to jobs you will need a contractor for.

Painting the Interior Walls

If you do not have a lot of water coming in, you can use a waterproofing paint to paint the interior walls of the basement. This is the easiest basement waterproofing solution, and the paint comes in many colors so you can select a paint that is appropriate for your design needs. 

If you are converting the basement to usable space, you can get paint that accents the design of the new space so no one will even know that the walls have waterproofing paint on them. The paint is not hard to apply, and the homeowner can do it themselves, saving some money on the job.

Exterior Waterproofing

Like interior waterproofing, the exterior of the basement can have waterproofing paint applied to the walls as well. The earth around the home needs excavating to give the contractor coating the walls access to the walls all the way to the bottom of the foundation.

The waterproofing is applied starting at the base of the foundation and extending all the way to the top of the foundation. The waterproofing paint used on the exterior walls is typically black in color, is very thick, and is applied much like paint. The exterior waterproofing is much more effective than the interior paint and creates a barrier between the soil and the foundation walls. 

French Drains

Another option you may want to consider is installing a French drain around the foundation of your home. The drain requires a contractor to dig a trench around the house, fill the trench partway with gravel and sand, install a perforated pipe on top of the gravel base, and then fill the trench with gravel to the ground level. 

The gravel allows water to drain into the pipe which then carries the water away from the home. The drain needs to surround the entire home to be effective and then run far enough away from the house that the water in the pipes can not drain out near the basement walls.