TY CONF TI THE USE OF IMPREGNATING COMPOUNDS TO ENHANCE THE FLAME-RETARDANT PROPERTIES OF WOODEN STRUCTURES KW fire protection of wood KW fire safety KW building structures KW impregnating flame retardants for wood KW combustibility JO ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 AU Sazonova, S.A. AU Asminin, V.F. AU Druzhinina, E.V. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov