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An exterior excavation and membrane is one of the most effective basement waterproofing ... from the walls (and not floors). Masonry foundations, such as brick, stone or cinder block, are not ...

The walls should be free of dirt and oils as well. Some of these products will specify paint-free walls. Prior to application of a waterproof coating, thoroughly inspect your basement walls.

Great Lakes Waterproofing uses a no-digging Bentonite Clay injection system to seal off water pathways and keep basement walls permanently dry. Both their exterior bentonite injection and drain ...