| 摘要 |
PROBLEM TO BE SOLVED: To provide a fire protection construction of a compartment through-hole capable of easily performing fireproof treatment of a through-hole of a compartment body, and capable of securely preventing fire from propagating through the through-hole of the compartment body.SOLUTION: A fire protection construction 1 of a compartment through-hole includes a compartment body 2 and a foam sheet 3. The compartment body 2 has a through-hole 4 into which a wiring 5 is inserted. The foam sheet 3 has thermal expansion property, is wound around the periphery of the wiring 5 inserted into the through-hole 4, is arranged between the outer peripheral surface of the wiring 5 and the inner peripheral surface of the through-hole 4.SELECTED DRAWING: Figure 1 |
