Crawl Space Encapsulation Cost – Calculator Per Square Foot Estimates

Cost of Crawl Space Encapsulation – Estimates and Prices Paid

What is the typical labour cost for crawl space encapsulation? The crawl space in the home might not be as attractive as the living room, but it also has a very important role to play in the home. The purpose of the crawl space is to serve as the heating system in the home and it controls the transfer of heat between the surrounding and the house. This is very important in indoor temperature regulation.

What does it mean to encapsulate a crawl space? How do you seal a crawl space? How much does it cost to repair crawl space?

To make it more functional, it is very much likely to see some homeowners encapsulate their crawl space. The purpose of this is to insulate the crawl space to keep out moisture and also prevent heat loss. This method is very much effective in inhibiting mould growth, lower energy consumption and maintain air quality in the home. But before we proceed, what is crawl space encapsulation cost


How much does it cost to encapsulate a crawl space? Now that you have been briefed about what a crawl space encapsulation is and the purpose it serves in the home, it is time to evaluate the crawl space encapsulation cost. The average cost of encapsulating a crawl space is around $6,000 and about 2 to 3 days of work will be needed to get the job done. Although the actual crawl space encapsulation cost can be between $2,000 and $15,000 which will as well depend on a whole lot of factors such as the size of the crawl space, the materials that will be used for the project, age of the house and the location in which the house is sited.


LOCATION: This plays an important role in determining the final cost of crawl space encapsulation in your home. Homes that are located in the south will require more work to be done as a result of the much humidity in that region and this will definitely shoot up the cost.

HOME SIZE: Without doubt, the size of your home and the size of the crawl space will play a significant role in the cost of encapsulation of the crawl space. A big home has more square footage and this will result in a higher cost than smaller homes.

THE CONDITION OF THE CRAWL SPACE: The state at which the crawl space is will determine the level of job that needs to be carried out on the crawl space. For instance, if the crawl space is frequently flooded, a crawl space sump pump will need to be installed by a professional or if the access door to the crawl space needs replacement, this will definitely increase the cost of crawl space encapsulation

TYPE OF INSULATION: Insulation is the area that is directly related to the transfer of heat. It is responsible for maintaining the temperature as well as air quality in the home. Insulation will also prevent the loss of heat during winter. If the crawl space is well insulated, it will keep the home’s indoor air so clean and result in less energy loss. This although will also depend on how much you have spent on the crawl space.


You might need to expend more in installing your crawl space if you will need other systems installed in the crawl space. Likely additional costs will be in the installation of a drainage system and a humidifier. The cost of the humidifier may be between $500 and $2,000 and the drainage system can cost between $2,000 and $5,000


Since we have already been briefed about the crawl space encapsulation cost. But apart from this, it is also important to know what makes a crawl space a good quality. These are the features that make up a well encapsulated crawl space.

  • The ground will be entirely covered by a vapor barrier
  • Apart from the ground, other openings or the vents must be covered to inhibit air from getting to the encapsulated area.
  • The seams as well as the vapor barrier’s junctions should as well be sealed
  • It is also preferable to have the foundation walls and the band joist to be well insulated. This will prevent heat from gaining access into the crawl space
  • Apart from the fact that humidifier need to be installed, other ways to condition the air will be to set up a small exhaust fan which will supply a little amount of air.


The companies that you have hired to install the crawl space encapsulation should be expected to get some things right for you to have a perfect job done. Remember that you have expended so much to get your crawl space encapsulated and so you should get the best. These are the expectations you should look out for from your contractor:

  • Before the contractor starts the encapsulation process, the crawl space floor must be cleaned and all debris removed
  • Immediately after the cleaning is done, the contractor is expected to lay vapour barriers on the floor.


Apart from considering the cost of crawl space encapsulation, you will also need to get yourself bothered about where to get the service. Crawl space encapsulation is mostly done by construction companies and you can as well make a search on the internet or contact the local construction companies in your vicinity.

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