New Basement Crawl Space Ventilation Systems are Keeping Homes Healthier
By Mark J. Donovan
||One of the chief reasons mold and mildew growth in the home has become a major concern is due to the simple fact that homes are built much tighter than years ago. One of the downsides of a tightly built home is that higher moisture levels are observed in the home. Higher moisture levels within the home can frequently lead to mold and mildew growth. Basement crawl spaces are one of the major contributors for creating moisture in the home.
Besides causing mold and mildew, unventilated crawl spaces can cause outright rot and decay of the home’s framing structure.
Consequently it is important to ventilate the basement crawl space to eliminate the high moisture levels in the crawl space.
Yesterday’s Basement Crawl Space Ventilation Systems
In the past, crawl space systems were manual and typically consisted of vents that could be opened or closed depending upon the time of the year and outside humidity levels. These were a pain to maintain and use, as it meant crawling into the crawl space and opening or closing the vents depending upon the time of year and humidity levels.
As a result, crawl spaces were never effectively ventilated.
As a complete crawl space ventilation system they will work together to ensure that the crawl space has sufficient airflow and that the humidity level is maintained to a low level. The only issue with these types of systems is that the crawl space may need to be heated if there is plumbing within them.
|For example, in colder months these type of crawl space ventilation systems suck in cold, dry air. This cold air could cause the freezing of pipes. As a result, pipes may need to be insulated and/or the crawl space partially heated.
Other Basement Crawl Space Ventilation Tips
Another way to suppress moisture levels in a basement crawl space is to install polyethylene (plastic) down on the crawl space floor. This is particularly important if the crawl space has an earthen floor.
By laying a sheet of polyethylene plastic on the floor of the basement crawl space you can dramatically reduce the amount of moist air in the crawl space.
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