High-pressure decorative laminates (HPL). Sheets based on thermosetting resins (usually called laminates). Compact laminate and HPL composite panels for internal and external wall and ceiling finishes|Thermosetting polymers, Wall coverings, Interior wall coverings, Quality assurance, Laminates, Exterior wall coverings, Impregnated materials, Walls, Conformity, Performance, Energy conservation, Sheet materials, Plastics sheet, Composite materials, Decorative materials, Plastics, Dangerous materials, Marking, Ceiling finishes, Suspended ceilings