Profile: Lafarge Courtney Ridge Quarry is a supplier of construction materials. We produce and sell cement, ready-mixed concrete, gypsum wallboard, aggregates, asphalt and related products and services. We sell our products under the brand names Aqilia®, DuraCycle®, Fire DuraPhalt® and Watercheck®. Our DuraPhalt® is a hot mix asphalt mixture engineered to provide rut and fatigue resistance and durability.