| 摘要 |
The present invention relates to a thermal insulation material. The thermal insulation material according to an embodiment of the present invention is formed by a rectangular plate including an upper surface, lower surface, front surface, rear surface, and both side surfaces and is used for construction. The thermal insulation material includes: an upper concave-convex unit arranged on the upper surface; a lower concave-convex unit which is arranged on the lower surface and is assembled with the upper concave-convex unit; a first side surface concave-convex unit arranged on one side surface; and a second side surface concave-convex unit which is arranged on the other side surface and is assembled with the first side surface concave-convex unit. |
