There may not be an area of the home that creates a bigger hazzard to the occupants health than that of a typical crawlspaces.
Most homes with crawlspaces are not properly insulated for moisture control and this can pose health concerns for the occupants, especially children.
Lack of properly sealed and insulated crawlspace can allow dealdy and odorless gases to affect occupants. It can also become breeding ground for insects, rodents and mold. In addition, it could cause damage to the foundation and the floor system.