3 Common Methods of Basement Waterproofing

The worst thing any homeowner can struggle with is water in the Basement. It is a headache to try and figure out where the water is coming from, but it can also be damaging to your home and belongings. Just a small puddle or the tiny crack in the basement wall can let in enough water to cause damage. Water damage results in welcoming not-so-good elements such as moisture, mold, and an array of costly, time-consuming basement wall repair processes. 

Are you wondering how you can end this problem for good and keep your home healthy and damage-free? In this blog we will cover the three most common basement waterproofing methods: 

  • Interior waterproofing
  • Exterior waterproofing
  • Drainage systems

Each method has its pros and cons, so it's essential to weigh all your options before deciding on a particular system. 

But first, let us understand:

What causes Basement Moisture?

The Basements are prone to wetness and other water-related problems. Due to weak construction or loopholes, while building, water sometimes finds its way to enter your houses' crawl spaces or basements. Before installing the waterproof methods, you need to figure out what causes the basement to get wet and moist. Some of the common issues found are discussed below;

  • Poor Drainage System and improper soil:

The heavy rainfall and the accumulated groundwater are the primary sources from where the water enters the home's basement and foundation. However, the low and poorly maintained drainage system exposes various water damages around the house. Also, improper roofing, weak gutter installation, and wrong grading of the yard directs water towards the house, rather than running away from home. It causes water clogging which ultimately results in moisture around basement walls.

  • Hydrostatic Pressure:

The constant gravitational force tends the water to push down, and the accumulated water around the foundation will try its best to relieve the pressure and escape. The escaped water will then enter the basement walls through cracks causing wetness and moisture.

  • Condensation:

The cold weather in winters results in condensation in the basement giving rise to moisture and mold-mildew. The strong basement foundation repair is the only cure to save the home from any further water damage after the freezy winter storm.

The 3 Common Methods of Basement Proofing are described below:

  • Interior Waterproofing System:

They are the easiest as well as reasonable methods to waterproof basement walls. Interior systems ensure that the gutters and downspouts are properly draining away from the house. The soil around the foundation should slope away from home as well. If water is already entering the Basement, seal any cracks or holes in the foundation with a waterproofing compound or special sealants. These specified sealants have sufficient guarantees and warranties which ensure effective results. basement interior waterproofing methods prevent condensation, maintain humidity levels and moisture from entering the basements.  

  • Exterior Waterproofing System:

Basement exterior waterproofing is a collection of materials and techniques to keep water from entering the building through the foundation. The mechanism of the outer waterproofing system is such that it directs water away from the foundation walls and functions as a basement wall repair. These systems usually involve installing a drainage system on the exterior of the foundation (or roof), along with a waterproofing membrane that seals the cracks and joints in the foundation wall and effectively helps in basement wall repair.

  • Interior Drainage System:

Interior drainage systems involve installing a watertight membrane on the floor and walls of the Basement and then draining any water that accumulates to a sump pump. It removes the water from the home. The installation of every drainage system depends on the specific conditions of your home, so it is essential to consult with a professional working in home foundation repair before installing one. It would help if you first examined your home to determine how much water is seeping into the Basement and where it is coming from. Also, soil inspection is very much needed. Different types of soil drain away in different ways. Besides, the direction of the slope needs to be looked forward. The hill should be such that water drains away from the home and not towards it.


After getting ample knowledge regarding basement waterproofing, you might consider taking up the project. It is a great way to protect your home and increase its resale value. However, waterproofing a basement is no small task. It is a significant renovation project that can take anywhere from a few days to a few weeks, depending on the size of your basement and the severity of the water damage.

Before you get started, consult with a professional contractor who can help you choose the proper waterproofing method for your home, and help prepare your basement to face harsh climatic challenges










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