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Crawl Space Encapsulation

The air quality in your home is dependent on your crawl space. Many crawl space foundations leak and many crawl spaces flood. When your crawl space is moist, moldy or full of water, the air quality in your home will likely suffer. The suffering happens when soil moisture is released into the air of the crawl space creating wet, damp and unhealthy conditions. This moisture is then circulated throughout the house by way of normal convection or the homes heating and air conditioning system. Damp and dirty crawl spaces can be hazardous to you and your family’s health. Crawl space encapsulation is the first step to a healthy home environment. Value Dry installers specialize not only in crawl space encapsulation, but also crawl space waterproofing and foundation crack repair.

Types of Crawl Space Encapsulation

A dirt floor crawl space needs some form of encapsulation to close off negative air quality impacts. The crawl space encapsulation process includes covering the dirt floor and foundation walls with a heavy polyethylene membrane that helps seal out moisture and soil gases.  Whether its ground only or you need encapsulation covering the walls as well, the process is very similar.  A heavy weight, puncture and tear resistant form of polyethylene vapor barrier is laid over the entire floor of the crawlspace. The same polyethylene membrane is adhered to the walls and overlaps the floor. Seams are overlapped and sealed.

If mold has been identified in the inspection of the crawl space, our certified mold remediation team can treat the mold infestation with an EPA registered fungicide and even spray a mold resistant encapsulant on the exposed wood floor and joists.

What can be done if encapsulation is not the answer?

While your crawl space may be low and tight, our professional installers can add the same high quality sub-floor pressure relief system we use in basements for crawl spaces with concrete floors.  We may need to be crouched over and working in tight conditions but if that is what it takes to get your home safe and dry we will be there for you. 

If you don't have a concrete floor in your crawl space and would like to add one, we can do that too.

Let’s work together to find the best solution for your needs! Drop us an email to get started!

Why hire a professional for your encapsulation needs?

Saving money is typically a priority for all homeowners, but sometimes hiring professionals to do the job, such as when embarking on a crawl space repair project, is worth its weight in gold. Professional crawl space repair teams deliver the results you want while saving you time and perhaps additional money. Improper installation or the covering up of visible problems that will ultimately require repair due to inexperience will result in additional many times significant costs down the road.

Maintaining your crawl space in good condition also promotes a home free of unwanted pests. Encapsulating your crawl space, helps keep out undesired bugs and spiders that are naturally attracted to wet areas, such as a wet crawl space. Even though it may seem like the spiders and insects are contained below you home, in reality, they will find their way inside the living space of your home through any small opening or crevice – often created when the heavy polyethylene membrane is incorrectly mounted. This makes professional crawl space repair teams even more invaluable as they can repair these cracks and keep the bugs out.

Allergy sufferers will benefit greatly from hiring crawl space repair professionals to ensure the crawl space does not contain mold spores, dust mites and other contaminates that may make their way into your space.  Proper installation will ensure less chances of gaps that allow these contaminates back in the house. 

The pollutants in the air can do more damage than just make you sneeze and wheeze, they also can cause great damage to your heating and air conditioning system. When these systems begin to clog with contaminants, they will use more energy to operate, and thereby increase your energy bill. A crawl space repair service can save your lungs while saving your checking account as well.

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Frequently Asked Questions

Why should I worry about keeping my crawlspace dry?

The air you breathe in your home circulates from the ground level up to the attic. Your crawlspace is influencing the air quality throughout your entire home. If there is moisture or mold then this is contributing to the allergens you breathe. A simple crawl space encapsulation can dramatically reduce the toxins in the air you breathe.


2011 - 2016


2011 - 2016





Value Dry provides basement waterproofing in PennsylvaniaNew JerseyDelawareNew HampshireMassachusettsConnecticut, and Rhode Island.

We include a full written warranty with all our waterproofing & moisture control installation.