GlossaryChalk February 26, 2024 Broken chalk is a good material for hardcore providing it is protected from expansion due to frost. Once the site […] Chalk
GlossaryHardcore February 26, 2024 Hardcore is the name given to the infill of materials such as broken bricks, stone or concrete, which are hard brick, Brick or tile rubble, Chalk, Concrete rubble, gravel, Gravel and crushed hard rock