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Crawl Space Humidity Problem Solved...Bismarck, ND

Friday, March 1st, 2013 by Betsy Rathburn


The homeowner contacted Innovative Basement Authority due to elevated humidity issues in their home. The humidity was causing serious condensation issues in the attic, which in return was causing moisture damage to the home’s ceiling. The homeowner assumed the issues were being caused by ventilation problems in the attic. Upon inspection, the specialist found several areas of concern in the crawl space. While attic ventilation is an important aspect of a home, after an inspection of the attic space it was determined by the specialist that both adequate ventilation and insulation were present. The relative humidity in the crawl space was above 80%. Due to the stack effect, the extremely humid air was being drawn into both the home’s living space and attic from the crawl space causing the condensation in the attic.


After a thorough inspection, the specialist sat down with the homeowner to review his findings and develop a plan to assist the homeowners in not only protecting their investment from the humidity related issues, but to also solve the flooding issues discovered in the crawl space during the inspection process. To solve the flooding, the specialist proposed installing drain tile and a SafeDri Pro system.  To combat the humidity, the specialist proposed encapsulating the crawl space with Innovative’s CrawlSeal material and drainage matting. The encapsulation with CrawlSeal and drainage matting completely separates the home from the damp earth underneath, which in turn would solve the condensation issues in the attic. The specialist also recommended insulating the exterior foundation walls to make the home more energy efficient and save on energy costs.

During the installation, the homeowner commented on how warm the crawl space was before the system was even completely installed. Upon completion, the condensation issues in the attic were no longer present. By way of the system design, the condensation issues were not only solved, but the home’s structure was now protected from premature rot and mold growth, as well as future flooding.

Service Area Locations

Innovative Basement Authority
1330 41st St N
Fargo, ND 58102

Innovative Basement Authority
1325 S Frandsen Ave
Rush City, MN 55069

Innovative Basement Authority
760 East Pearl Street
Kasota, MN 56050
BBB Accredited Business
EPA Lead-Safe Certified
Bismarck - Mandan Home Builders Association
Builders Association of the Twin Cities
Central Minnesota Builders Association
Dickinson Area Builders Association
Duluth Builders Exchange
Fargo Moorhead Home Builders Association
Forx Builders Association
Mid-Minnesota Builders Association
Minot Association of Builders
MN Associated Builders & Contractors
MN Erosion Control & Storm Water Management (MECA)
Northern MN Builders Association
Fargo Moorhead Chamber of Commerce
Greater Stillwater Chamber of Commerce
Lakeville Area Chamber of Commerce
Pine City Area Chamber of Commerce
Rush City Area Chamber of Commerce
EPA Lead-Safe Certification