Crawlspace Encapsulation Services

crawlspace encapsulationPrior to completing crawlspace encapsulation, most customers do not want to go into their crawlspaces because they are moldy, damp, humid, musty and may be infested with pests like roaches and rodents. Traditionally, these are vented and not sealed, but it creates unhealthy air in the crawlspace that can include particulate fiberglass insulation, mold spores and other allergens. This air will rise through your floor into you home through small hidden air leaks that can be around your ducts or even in the walls or floors. The points can through unsealed plumbing, electrical and HVAC penetrations through the framing members of your home. The humid air that comes into your crawlspace through the foundation or through vents will condense on the cooler air conditioning ducts, pipes and even your floor joists, plumbing and insulation. The presence of wood rot attracts termites which can further weaken the wooden structure within your home. Without the use of preventative moisture control measures, the insulation can also grow mold.

Another issue is the additional strain that you are putting on your HVAC system when you have the ductwork running through an unsealed crawlspace where it has to fight against the ambient air temperature, which usually matches the outside air. Old vapor barriers on the crawlspace floors are often torn or unsealed making them less effective. They may not completely cover the floor of the crawlspace. When you replace old vapor barrier and encapsulate your crawl space, you give your family and your home an extra layer of protection from the following complications.


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703-659-0966

Are you noticing any of the following in your home or crawlspace?

  • Fiberglass batt insulation that is wet and dripping in the summer, with blackish discoloration or that is falling from the joint cavities
  • Unpleasant musty odors are indications of mold spores that can make allergies, asthma and other respiratory conditions worse
  • Damage from termites or wood destroying organisms
  • Condensation on ductwork, insulation, framing members or water pipes in the crawl space
  • Mosquito, cricket, roach and other infestations in the crawlspace
  • Water stains or puddle like discoloration on top of old vapor barrier
  • Buckled or curled hardwood floors
  • Signs of mold, fungi and mildew including spotty black discoloration, greenish, white and black growth throughout the crawlspace especially on the wood
  • Wood rot in the framing members in the crawlspace in floor joists, mud-sill and sub-floor
  • Water that is standing on the crawlspace floor or on old vapor barrier

Sealing your crawlspace will help with the energy efficiency, structural durability, improve your indoor air quality and overall comfort of your home. Your crawlspace should not be vented outside, but it should be sealed, dry and conditioned. This gives you the best solution for a cost-efficient home. The Building Performance industry recognizes this as one of the key steps to help with moisture and humidity control, to improve indoor quality, mold, fungi and mildew prevention and energy efficiency.

crawlspace encapsulation before and after
With over forty-five years of combined experience the EcoTek Home Services team can help with your building science, crawlspace construction, building science and residential repairs. EcoTek can address your dirty, mold and unhealthy crawlspace to make sure that your home is clean and comfortable. The crawlspace encapsulation process includes these steps:

  1. Installation of a crawlspace liner along the floor, support piers and foundation walls. This is at least 12 mill thick
  2. Removal fiberglass insulation and replace it with R10 rigid foam board insulation that is fully sealed along the seams
  3. Install a fully sealed insulated crawlspace access door
  4. Seal and block of crawlspace vents
  5. Adding small vents to the HVAC supply duct to give conditioned air to the crawlspace

Let The Professionals At EcoTek Do The Dirty Work For You!

Call or email us for a Free Crawlspace Encapsulation Inspection and Consultation today!
703-659-0966