Waterproofing the outside of your foundation is the best way to secure your basement. Interior waterproofing can prevent water damage from getting worse, but having the repairs done on the outside fixes the weaknesses where the start. Apart from not being able to be used as living or production areas, humid or moist basement floors decrease the commercial life and value of buildings. It is the best solution to waterproof the parts of buildings from the exterior. External waterproofing repairs your leaky basement from the outside of your home by exposing the foundation and applying the necessary waterproofing material to create a foundation waterproofing system that will redirect and disperse water away from your foundation walls.