Foundation / Waterstop / WaterStop . More Information Concrete naturally expands and shrinks which may cause fractures in your foundation. R & R Concrete & Excavating, Inc. uses a controlled fracture in the form of a “v” along with a 6" rubber membrane, that stops water from penetrating into your foundation. This technique was created exclusively by owner, Roger Olson.

Close-up of water stop This photo shows a close-up of a waterstop, which is a controlled fracture used to prevent water from penetrating your foundation.