6
Building and construction materials and elements of metal; Facade construction components of metal; Facades of metal; Building components (Metal -) in the form of slabs; Roofing materials of metal; Refractory construction materials of metal; Building materials (Metal -) in the form of sheets
19
Building and construction materials and elements, not of metal; Building materials of concrete reinforced with plastics and glass fibres; Lime building materials; Construction materials of artificial stone; Building materials of plastics material; Building construction materials in the nature of aromatic cedar planking; Cladding (Non-metallic -) for facades; Lintels, not of metal; Fire retardant panels (Non-metallic -) for use in construction; Fabrics for use in civil engineering (geotextiles); Strawboard [building materials]; Intumescent construction materials; Concrete building materials; Construction materials of natural stone; Building materials consisting of glass; Building materials made of rock fibres; Bitumen building materials; Fiber reinforced plastic construction materials; Refractory construction materials, not of metal; Non-metallic building materials having acoustic properties
42
Testing, authentication and quality control; Quality control of building materials; Analysis of the structural behaviour of building materials