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AirTech Consumer Brochure (Opens in new window, 1.28mb)

-The 2010 International Builder’s Show & NextBuild.

January 19-22, 2010

Las Vegas Convention Center,

Las Vegas, Nevada

http://www.buildersshow.com/Home/

http://www.nahb.org/

-2010 AHR EXPO

January 25-27, 2010

Orange County Convention Center

Orlando, Florida

BOOTH 4773

http://www.ahrexpo.com/

www.hvi.org

www.ashrae.org

www.qps.ca

www.cmhc-schl.ca/en/index.cfm

www.epa.gov/

www.conserv.com

www.innovair.ca

www.iqair.com

www.baeumler.ca

Problem:

Are your basement/crawl walls properly insulated?

Solution:

Having proper insulated walls greatly improves your basement or crawlspace’s ability to be at, or above dew point temperatures and avoid condensation and mold formation.  Having uninsulated walls, keeps your basement walls too cold compared to the rest of the home,  a common problem for many homes.  During summer months the temperature difference in replenishment air and foundation walls is enough to create condensation;the condensation may not always be visible, but may be in vapor form.  This is a major contributing factor in moisture problems in the basement area, showing the importance of insulating your walls.  Having potential condensation issues under control before they occur, is an important tool to keep our basements and crawlspaces dry.

Problem:

Do you have any visible external water seepage or leakage in your basement or crawlspace?

Solution:

To reduce humidity levels inside your home’s basement/crawlspace and benefit from your AirTech Humidity Control System, external water leakage must be addressed and controlled.  Standing water is a clear sign of external water leakage.  Seepage after a rain shower is also a clear example of problems much more extensive than high humidity levels.  Contact your local waterproofing contractor for help in sealing your foundation.  AirTech Products are a preventative solution to humidity problems, and only once water seepage/leakage are addressed and controlled will you have the complete benefits of the system.

Vapor Barrier & Water Proofing

Problem:

Crawl spaces & basements with exposed dirt floors and rock foundations.

Solution:

Before any efforts are made to control humidity, all moisture entering the crawlspace or basement ( i.e. rain water, underground springs) must be eliminated. The following steps must be undertaken to maximize the effectiveness of your AirTech product.

1. Install gutters and slope grade away from the foundation to direct rain and surface water away from the house. Empty downspouts 8 to 10 feet from the foundation.

2. Cover the crawl space with a minimum 6 mil polyethylene vapor barrier. Overlap all seams a minimum of 1 to 2 feet and seal with tape. Extend the outside edge of the poly up the foundation wall to a point at least 6 inches above the outside grade. Seal the poly to the foundation wall by using construction adhesive. The goal of this step is to provide 100% ground coverage.

3. Close and seal all crawl space foundation vents to eliminate warm, moist outdoor air from entering the crawl space. Cut blocks of rigid polystyrene and pressure fit into the backside of vent openings to further reduce infiltration of outdoor air.

4. If applicable, seal forced air ductwork to reduce or eliminate leakage. Supply air leaks can lower crawl space and basement temperature leading to higher relative humidity. If the crawl space or basement is saturated at the time corrective measures are taken, you may need to run a dehumidifier for a couple of weeks to bring the moisture content under control. From that point forward, the AirTech product will maintain humidity levels on its own.

Additional Comments

Basement floors or crawl spaces with material other than earth, such as concrete, should never have a vapor barrier installed. The vapor barrier traps moisture beneath the barrier, and unlike inearth flloor installations, this moisture has no access to drainage. Conditions such as this promote mold and fungal growth.