| 摘要 |
The present invention relates to equipment for forming a fine air vent in an insulation material for construction installed in a position required for insulation such as an inner or outer wall, a ceiling, or a floor portion of a structure and, more specifically, relates to equipment for forming a plurality of fine air vents having a size less than or equal to 5 mm in an insulation material for construction, which effectively discharges humid air containing moisture indoors to the outside, and simultaneously, prevents cold air in the outside from being introduced indoors. |
