BS EN 15732. Light weight fill & thermal insulation products for civil engineering applications (CEA). Expanded clay lightweight aggregate products (LWA) Thermal insulating materials, Thermal insulation, Expanded-clay aggregates, Lightweight aggregates, Aggregates, Construction materials, Particulate materials, In-situ construction, Roofs, Ceilings, Floors, Construction systems parts, Approval testing, Quality control, Marking, Labels