| 摘要 |
A wooden doorframe having fireproof performance using a flame retardant stopper is provided to secure fire-resisting capacity for 1 hour by using environment-friendly wood as a main material and forming a stopper with flame retardant wood, and to harmonize with the interior, thereby to be suitable for an indoor doorframe. A wooden doorframe(100), as a fireproof doorframe fitted with a door and cutting off the spread of flames, includes an outer frame(110) forming the external appearance of a fireproof doorframe and made with wood having a C-shaped cross section installed to a wall, a flame retardant stopper(120) installed to be projected to the outer frame, an inner frame(130) of wood installed to the inner circumference of the outer frame, and heating foam(140) built in two sides of the inner frame respectively and expanded by applying heat. |
