JOHN NICOLSJohn Nichols is the Engineer Construction Solutions for the Cement Concrete and Aggregates Association. John is a Chartered Professional Civil Engineer and has spent over twenty five years in the building, civil engineering and construction industry specializing in construction materials.John’s primary interest is in concrete as an economical, durable, robust and sustainable building material. John acts as a construction solutions consultant to engineers, architects and builders for the solving of design, construction and buildability issues for the use of concrete in housing, commercial building, industrial and engineering structures.