Preface -- Introduction -- Chapter 1. General information about the structure and properties of wood -- Chapter 2. Fire hazard and fire resistance of wooden structures, their fire protection -- Chapter 3. The effect of the aging process on the properties and structure of long-aging wood -- Chapter 4. Investigation of the influence of the duration of operation of wooden -- structures on their fire hazard and fire resistance -- Chapter 5. Investigation of the effect of a long service life on the fire resistance of wooden structures -- Chapter 6. The effectiveness of fire protection to reduce fire danger and increase the fire resistance of wooden structures -- Conclusion -- Subject index.