Your Crawl Space Causes Problems
If you have a dirt crawlspace underneath your home, then chances are you are experiencing problems that need to be addressed.
For instance, your foundation may be experiencing bad smells, high humidity, puddles of water, broken concrete foundation, heaps and heaps of dirt, little to no access, little to no sunlight, little to no insulation, radon gases, water vapor, mold, insects, termites, pests, vermin, tree roots penetrating into the concrete footing, lack of earthquake retrofitting hardware, or any similar type of problem.
If you do not know whether or not your foundation is experiencing any problems, then the best recommendation is to Best crawl space encapsulation your home with a flashlight and look around or contact a foundation expert to do it for you, which is usually a free service, and as experts they can pinpoint almost every specific problem.
What it boils down to is that almost all crawl spaces have problems. Through a process known as the stack effect, air travels up from underneath the home and takes the crawl space air with it. Many Americans currently live with asthma problems and other breathing related problems due to the dirt foundations underneath their home and the mold spores as well as dust mites that travel with it.