4.9 
Ground Moisture
You don't want moisture inside of a building due to the amount of organic material that it is made from and the potential damage that can be caused by moisture and rot.
Delta Matting
Underneath the CleanSpace liner is a drainage matting layer, increasing durability and the ability for water to flow to the sump pump system.
Total Encapsulation
By not only covering the ground surfaces but up the walls and piers themselves - as well as openings around wires and pipes treated with caulk, flashing or spray foam - ensures that all sources of outside air leakages are sealed
