Great Lakes Waterproofing treated our house with their Bentonite based system in spring of 2022. Much less expensive than the interior "proofing" which really is just we are pumping your water out as it continues to leak. They are very professional with an unlimited retreatment warranty. We had four corners of the house leaking copious amounts of water at the end of the winter. It worked great until the latest horrible rain when we had two inches of standing water on the outside wall. Three of

I havent used this service yet, but before I booked he gave me the options of how to fix a problem myself if i wanted to which I greatly appreciate. Shows they arent just trying get me to do unnecessary expensive repairs.