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Why do I need to install a Moisture Barrier?

Moisture barriers are a sheet of polyethylene plastic laid on the dirt surface of a crawl space. It prevents moisture in the ground from penetrating into the crawl space area and damaging the wood and insulation.Moisture barrier also controls the humidity levels in your crawl space and guards against any crawl space moisture from becoming a breeding ground for mold and mildew.

What is the best moisture barrier for your home?

It depends on your needs. How often are you in your crawl space? Do you use it for storage? Is your furnace or other appliances in the crawl space? After Evaluation we will go over all the options with you and help you decide which product is right for your home!

How is the vapor barrier installed?

Proper installation is crucial. Barrier needs to cover all of the dirt completely and also be properly sealed. Concrete footing and at least part of the foundation wall need to be covered as well. We use a polyethylene UV resistant tape to seal all of the seams. This will give the moisture barrier a water proof seal at the seams.

What is the difference between a 6 mil, 10 mil., 12 mil. or a 20 mil. moisture barrier?

This number refers to the thickness of the plastic. To be more precise, 6 mil means 6 millimeters or 0.006 inches thick. The thickness of the product adds to the life expectancy of the moisture barrier. The standard thickness of moisture barrier is black 6 mil In Virginia State. This is the minimum requirements to meet the building code. However a relatively thin product may tear easily and probably will not last over time.

There are 10,12 and 20 mil products available on the market today. Our technicians have samples of these so you can see for yourself the differences.

We believe in a quality product that truly will stand the test of time!


"These guys did a fantastic job. They worked very hard and well-organized. They also asked me to check their work after it was complete and I was grateful to be included in the process"

Russ, Virginia BEACH

“Very good job remodeling our crawl space, very respectful and professional, done in a very timely manner.”

Nora, Chesapeake

“All contracted work was completed within a reasonable time, which included thorough clean up and hauling away of all debris. Very impressed with their prompt, professional manner.”

Larry, Virginia Beach


  • How does the air from my crawl space get into my home

In many ways: tiny cracks in the floors, around air registers, space around plumbing pipes, heating and air conditioning ducts especially return air ducts. In fact research shows that up to 50% of the air in your home comes from your crawlspace. This infiltration brings with it odors, moisture, mold mildew, fungi spores or radon gas that is in your homes crawlspace.

  • Why is crawl space health so important to my family

Dirt crawl spaces provide a dark, damp, dirty environment that is rich in organic materials. These are exactly the conditions needed for molds, fungi, and other microbes to thrive. Many of these molds and fungi can cause illness or irritation as their spores drift up into the home's living space (individuals with allergies, asthma, and other respiratory conditions are especially vulnerable).

  • Does concrete stop mice and rats from entering the home

These rodents are burrowing animals and they often enter the home under footings and into the crawl space. A concrete floor is an impenetrable barricade.

  • Why are termites so dangerous to my home

These insects can not be detected in the early stages of invasion without the special equipment. Termites have the ability to go undetected within your home, sometimes for years, eating away at the structure. Their stealth tactics of eating wood, when outwardly it looks completely uninjured, are the cause of their late discovery

  • I have foundation cracks. What should I do

Sometimes cracks occur from settling, and usually happen within the first three years of the home. Horizontal cracks may need structural repair, but most cracks are vertical and do not affect the compressive strength of the foundation. However, cracks on outside walls are subject to water seepage and should be repaired.


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