How Much Will You Pay For Crawl Space Waterproofing? Costs & Components Breakdown


Crawl spaces can be a nightmare for homeowners. They are the perfect place to store old boxes and unwanted items, but they also create many problems such as water leaks and mold growth. It is not hard to see why crawl space waterproofing would be important for someone who wants their home to stay dry and clean! This article discusses how much you will pay for crawl space waterproofing, along with other costs and components that go into this project.

What is crawl space waterproofing or encapsulation?


Crawl space waterproofing or encapsulation is the process of making crawl spaces completely watertight. This means that all penetrations are sealed so there are no leaks, even if a pipe breaks. The floor will also be prepared to ensure it can handle any moisture so your home stays dry and safe!

How much does crawl space waterproofing cost?

The average cost of crawl space waterproofing can vary widely and depends on the following factors:

The size of the crawl space

The price of crawl space waterproofing varies depending on how big your house is. If there are more penetrations such as vents or windows, this could cause the cost to increase! Other factors that could affect the cost of your crawl space waterproofing include the component needed for the encapsulation project.

Read More: How To Identify 8 Common Signs Of Foundation Issues In Houses Or Commercial Buildings

What are the components of crawl space waterproofing?

Many components go into crawl space waterproofing. As stated earlier, the price of the project will be affected greatly by the size of your crawl space and other factors such as penetrations. Here are some components that will go into a typical crawl space waterproofing project:


When it comes to ventilation, closing the vents in your crawl space is critical. By doing this, you will keep moisture and humidity out of your crawl space while retaining the heat inside. Thus, keeping your crawl space dry and warm all year!

Dehumidifier Costs

A dehumidifier can be a critical component of crawl space waterproofing. This will help remove excess moisture from the air so the humidity level in the crawl space is perfect. This is especially important if you live in a high humidity area. 

Read More: How Much Does It Cost To Fix Sagging Floors? 

Crawl Space Repair Costs

If there are any problems in your crawl space such as cracks, this will increase the cost of your crawl space waterproofing project. The contractor will need to fix these problems before they can start with any waterproofing work. The price can vary depending on the gravity of the crawl space repair needed.

Insulation and Barrier Protection

Polyethylene vapor barriers are used to prevent water from seeping into your crawl space, and they need to be installed. There are different thicknesses and the number of layers that will be used is based on your crawl space, making a custom fit that can easily stick to surfaces. By doing this vapor barrier offers the right amount of insulation and prevents the soil from delivering allergens and humidity that can damage your home. 

With that said, vapor barriers also offer exceptional insulating properties. This is tied into its 4-layer reinforced structure. Its outer layer is a high-strength, lower density polyethylene film and its inner layers use ultraviolet and thermal stabilizers to regulate heat and humidity. 

Drainage System

A drainage system is used to prevent water from pooling in your crawl space. This will help ensure that moisture doesn’t start causing problems with the foundation of your home. Sump pumps may be used to help remove the water.

Read More: The Foundation Specialist Vs AFS 

Looking For Crawl Space Waterproofing?

Now that you know how much crawl space waterproofing costs and the components needed, you should be able to make a better decision about your crawl space waterproofing needs.

If you are looking for crawl space waterproofing, make sure to contact us today! We will be more than happy to provide a free estimate.

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