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Posted by Rob Dykeman on March 26th, 1999 08:15 PM
In reply to Basement Walls: Deterioration and Seepage by Greg on March 26th, 1999 05:56 PM [Go to top of thread]

Before you bentonite reseach it in Consumer Reports. At best it will work 50% of the time. Water is very powerful and therefore creates alot of pressure. There was a home I read about in upstate NY that after the bentonite injection the basement floor was pushed up 12" heaving and cracking the concrete.
There is a very good article in the Permanent Building and Foundation journal (PBF) this month about waterproofing a foundation. the web site address is
A much better and lasting method is water control vs water proofing. may also be of help. What part of the country are you located?

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