Means and methods of passive and active fire protection are considered, fire protection coatings for metal structures, reinforced concrete structures, air ducts, wooden structures, cable networks are described. Fire and smoke protection systems, fire alarm systems, automatic fire extinguishing systems are given. The issues of sound insulation of production, residential and office premises were considered. Modern materials for sound insulation, sound insulation and noise absorption are given. Long-term experience of leading scientific, design and production organizations is summarized and systematized.