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Crawl Spaces

The Problem with Crawlspaces

Crawlspaces are typically dark,  dirty and damp with theses conditions become breeding grounds for bacteria, fungi, mold, termites and other insects. Unhealthy crawlspaces have been the root of many unsuspecting health issues over the years, and can be responsible for rapid deterioration of your home.


Vented Crawlspaces

Foundations vents in theory are designed to remove moisture and dry damp crawl spaces, but this just doesn't work!  Open vents in warmer seasons allows warm humid air to gravitate in (Warm air allows goes towards cooler air) and this increases condensation making problems worse.

Conditioned Crawlspaces

Encapsulating and sealing off vents to your dirt floor crawlspace can provide better control over the climate and condition of the area below your living space. Air sealing and installing the right insulation will help stop air infiltration and moisture, while  increasing efficiency, comfort and the overall health of your home.



Useful Tips – Crawl Space Repairs, Insulation & Mold in Bloomington, IN

  • Install a full plastic membrane or a concrete slab on every crawlspace floor. This is the number one preventive measure that in most cases is much more useful than ventilation.
  • Do not build so that the seasonal high water table or floods rise above the footings. This is a condition that requires a completely open crawlspace or a building on pilings.
  • If the footings stand in water or get wet seasonally, provide a capillary break between the footers and the foundation walls.
  • Carefully install and test water and waste piping, making sure that there are no leaks at the joints or punctures.
  • Take effective measures to prevent ice dams, including adding sufficient attic insulation.
  • Provide positive weeps at masonry veneers.
  • Do not locate vent fan exhausts, dryer exhausts in the crawlspace unless the are properly insulated to avoid condensation.
  • Create positive surface drainage around the home, and ensure gutters and downspouts are directly water away from the foundation.

WeatherMasters offers a line of high quality vapor barrier and underlayment, drainage materials, sump pumps flood alarms, humidity controls to improve the health and efficiency of your crawlspace!!