On Fri, 30 Nov 2007 15:37:39 -0500, "john"
wrote Re Radon / Basement
Cracks:


the tiny ones you open up undercut, and seal.

HallerB , the more I think about it the more your solution sounds like the
right now. A little tiny strip of concrete paste would be useless against
those small cracks.

So I need to cut open the cracks a little more

Now you've got the right idea.