Sealing interior concrete basement wall

What’s the most effective waterprofing material available for basement concrete walls and floors. I’m only interested in waterprofing the interior of the basement walls and floors.
What’s the most effective waterprofing material available for basement concrete walls and floors. I’m only interested in waterprofing the interior of the basement walls and floors.
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Replies
I have had great success with this process. Anyone else will tell you that you can't seal from the negative side of the wall.
http://sealoflex.com/below_grade/basement_retaining_walls
Forrest
rentacarpenter,
I have used this on bare, unpainted concrete block walls with great results. And as an architect, we specify this product all the time for underground structures, elevator pits etc... Check it out:
http://www.hd150.com/
It's basically the Xypex web site for homeowners.
Zypex works very well.