White solar reflective roof slabs promote green building design and new construction practices. They support the Canada Green Building Council’s philosophy of creating energy-efficient and environmentally conscious buildings, and may contribute to LEED® project certification. White solar reflective roof slabs can lower a building’s overall energy costs by reducing the heat island e­ffect, created when the sun’s rays are absorbed and heat up dark rooftop surfaces. As their name suggests, white solar reflective pavers reflect the sun’s rays away from the rooftop, which in turn helps decrease interior heat gain and reduce cooling loads.