| 摘要 |
<p>PURPOSE: To minimize the spread of a fire when the fire broke out by forming a fire preventive shielding board in an indoor space. CONSTITUTION: An attic space 1 and an underfloor space communicate with an inside wall space 6 and these spaces and a dwelling space 2 are connected with a vent opening 21. On one hand, an underfloor space heater 8 is installed to an underfloor space 3. What is more, the air inside the dwelling space 2 is discharged outside by means of a heat exchanger type ventilator 19 while an open air is introduced into the underfloor space 3 by means of the heat exchanger type ventilator 19. What is more, the heat exchanger type ventilator 19 is installed to the dwelling space 2. A fire preventive shielding board 20, which is designed to operate if a fire should break out by chance, is formed in an indoor space.</p> |
