Key Benefits

Crawlspace Encapsulation

  • More Energy Efficient
  • Control Humidity
  • Adds Usable Space to the Home
  • Improves Indoor Air Quality
  • Control Conditions for Mold Growth
  • Helps to Prevent Freezing Pipes
  • Increased Home Value and Eye Appeal
  • Helps to Keep Floors Warmer in the Winter
  • Control Foul Odors
  • Locks Moisture Away in the Soil
  • Helps to Keep Hardwood Floors from Cupping and Buckling

Crawlspace Encapsulation

An encapsulated or "sealed"crawlspace is a more energy efficient alternative to the traditional wall-vented crawlspace. If your home is built on a crawlspace, chances are you have open foundation vents in place.

Originally designed to control humidity in the crawlspace, these vents actually have been shown to increase humidity rather than to decrease it. Think about it: in the summer months, the outside air is usually hot and humid. When a crawlspace is wall-vented, the same hot-humid air outside is passing through…leaving condensation on the floor joists and air ducts. Excess condensation leads to mold, fungus, and foul odors in the crawlspace. Crawlspace vents need to be closed to seal out unwanted humid air. Dirt crawlspaces also need a proper vapor barrier installed on the floor and exterior walls. An encapsulated crawlspace will properly control humidity, leading to a healthier and more energy efficient home.

Crawlspace Encapsulation

A study by Advanced Energy shows the outside relative humidity (green) vs the relative humidity inside a vented crawlspace (red) vs the relative humidity in a closed/encapsulated crawlspace (blue). Notice the striking similarity between the green and red lines: the vented crawlspace humidity follows closely with the outside air relative humidity…proof that the vented crawlspace simply does not work! A closed/encapsulated crawlspace maintains a steady, low relative humidity, and is not heavily influenced by outside air. See more at www.crawlspaces.org


My realtor recommended John from AmericanCrawlspace Solutions. He did an encapsulation and dehumidifier
Christy, Fayetteville. September 2015

About Us

Owned and operated by Jeremy Ross and John Harman, American Crawlspace Solutions aims to provide superior customer service and excellent workmanship on every project.

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