Basement Floor Waterproofing Membrane - There are several ways to help avoid moisture damage issues at a basement. The first guideline isn't a dirt basements. Though these are less common in this day in age, it is a good idea to point out this dirt flooring not just hold a large amount of moisture but also can give off a number of gases. When building a basement, make sure you have a floor drain using a trap installed at the bottom point of the floor.
With no floor drain, any water that's spilled inside cannot escape. Sump pumps are often used where flood due to a high water table might be a problem. In addition, waterproof the exterior of the base walls and install a perimeter drainage system. An often overlooked problem in basements is moisture that comes out of humidity.
The easiest way to control humidity is to exhaust water vapor produced in the home to the exterior. Signs of high humidity include condensation on windows, pipes or other surfaces as well a general sense of moisture in the air, dampness, and smells. Many times, the humidity will be brought on by exposing the basement to outside air (open windows), using wet laundry hung to dry in the basement, storing firewood in the basement, and/or a dryer vent that exhausts inside.
To decrease humidity, there are several things a homeowner can perform: install energy-efficient windows, insulate walls and cold water pipes, prefinished flooring if at all possible, run dryer vents to exhaust directly outside and don't dry laundry or firewood on your basement. In warm, humid weather, keep basement windows shut. Run the furnace fan continuously to circulate home air. The key to keeping basement humidity is to keep them well ventilated and to keep additional moisture from the basement.