Out side:

Following that, you're not done with the rainwater once reaches ground level. You need to have a mechanism in place to take that flow of water from the gutters quickly away from the house. This usually entails some form of piping or drainage system. If you can get the rainwater out to the street where it can empty into a storm drain, that water will be headed in the right direction (ie: away from your basement).Many of the basics of basement waterproofing are just good common sense. In short, you should begin by keeping as much water away from the foundation of your house as possible. Starting at the roof, you'll want to make sure that your gutters and leaders are functioning properly ... if they leak profusely, that rainwater will pour downward and form an expressway to your foundation, negating any interior work you've done to waterproof the basement.

With that out of the way, the next step in your basement waterproofing quest is to ensure that the ground around (not to be confused with ground round) your home is graded away. This might sound like simple stuff, but it isn't always easy or possible. For the best results, the ground should slope away from the house. If the geography of your lot prevents this from happening, all is not lost. You'll just have to get more creative in redirecting the flow of water, through the use of similar methods.

Once you've taken care of the basics of one-two-three (getting that rainwater away from the house), you can turn your attention inward. In the next passage, we'll take a quick look at the topic of inside of basement waterproofing ...