Crawl Space Encapsulation

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The Best Long-Term Solution For Your Crawl Space Is A Crawl Space Encapsulation

This solution addresses all areas of concern related to humidity and moisture in the crawl space. An encapsulation essentially means your crawl space is sealed from the ground, walls, outside air, and water intrusion. Encapsulating the crawl space rose in popularity during the early 2000s. Several studies that indicated residential homes experienced significant benefits with encapsulation sparked the rapid growth in the industry.

Crawl Space Brother Encapsulation Process

When we do an encapsulation, we use a 15-mil woven polyethylene vapor barrier that is made here in the USA. We love the 15-mil so much we offer a Transferable Lifetime Warranty on it, if it ever rips, tears, or breaks, we come out and fix it for free!

First, we completely cover the ground with the 15-mil. Then, we run it 6 inches up the wall and fasten it in place. Next, we run it 6 inches up the piers and seal it around them. After this is complete, we will apply a closed-cell spray foam to the interior crawl space walls, overlapping the 15-mil seal and stopping approximately 6 inches below the seal plate where the wood is. This ensures we are code compliant.

Last, we will seal the foundation vents and install a dehumidification system. This is a full encapsulation. It lasts for the life of the home and maximizes the efficiency of your home. Crawl Space Brothers has seen customers with utilities saving as high as 40% post encapsulation. Call us today to learn more!

Best Crawl Space Encapsulation Solutions With More Than 15 Years Of Combined Experience

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Crawl Space Repair Projects Completed

Benefits of a Sealed Crawl Space

There are many benefits of sealing your crawl space by encapsulating, here are a few of them:

  • Ensures clean air inside the living space of your home. Most homeowners do not realize that up to half the air they are breathing inside the home comes from the crawl space. Air comes up through the seal plate along all perimeter walls, leaks into the ductwork and the HVAC unit, as well as permeates through any openings in the sub-floor. With an encapsulated crawl space, this air will always be clean when it comes into the living space.
  • Allows for control of the humidity level in the crawl space. Because mold cannot grow at or below 55% relative humidity in the air, this is essential to long term mold and fungal growth prevention.
  • Maintains the structural integrity of the home’s foundation by keeping the wooden structural support beams and floor joist dry, which ensures their long-term strength.
  • Provides better insulation value to the home. By having healthy, dry insulation in the crawl space and/or by spray foaming the crawl space wall as part of the encapsulation, the thermal exchange into the living space of the home is reduced, equating to a more efficient home. Saves money on heating and cooling. It’s always easier to heat and cool dry air as opposed to moist air. By your HVAC and heat units not working as hard, there is usually a decrease in overall energy cost.
  • Helps reduce insect intrusion. Bugs navigate to dark, damp areas. When your crawl space is clean and dry, it can reduce the number of pests coming into your home.
  • Increased storage area for your home. If the crawl space is 3 feet or higher, encapsulating can create a nice and clean secondary storage area.

Time Tested Crawl Space Solutions

One of the most important things is to be sure of before doing a project on your home is that the method/product has been researched and tested over a long period of time. Crawl space encapsulation has both.

Encapsulation technology has been working for over 20 years and has now become the leading home protection project, even by new home builders. Your home is the biggest investment in your life, and protecting the structural integrity and health of the living space, is of utmost importance.

One of the best contributors to research in the Southeast has been Advanced Energy, a nonprofit energy consulting firm. They are the only nonprofit to do a direct side by side study of sealed vs. unsealed crawl space where the control models were the exact same house.

Does Encapsulation Work for Crawl Space Repair?

The short answer is YES!  Encapsulation is the best long-term solution for any crawl space in need of repair. However, it is not always the one that makes the most sense, mainly when the home is about to go up for sale.

If your home is about to hit the market for sale, Crawl Space Brothers can take a few of the first steps (mold removal, new vapor barrier, remove and replace insulation) in order to get the home up to code. This prevents you from making the investment in encapsulation right before selling the home.

How Much Does Crawl Space Encapsulation Cost?

Encapsulation cost can vary on several different things:

  • Square footage of the crawl space
  • Wall height of the crawl space
  • Amount of mold/fungal growth on the wood joist
  • Condition of the insulation
  • Existing debris in the crawl space
  • And much more

Every solution is tailored to fit the crawl space, and every home is different. The cost for encapsulation can go from $3,000 all the way up to $15,000 depending on the variables above. The best way to find out is to receive a free assessment and quote on the encapsulation project.

Crawl Space Liner Differences

There are several different types of crawl space liners available, at Crawl Space Brothers we start with a 6-mil polyethylene liner and go up to a 36-mil depending on the situation. For encapsulation, we use only 15-mil or higher. The standard is a 15-mil, white, woven liner. We will use a 36-mil liner in some situations where the crawl space is going to be high traffic (storage, law tractor parking, etc.). All our encapsulations are done with 15-mil liner or stronger. This allows us to offer a Lifetime Transferrable Warranty on all our encapsulation liners.