| 摘要 |
The present invention relates to a multi-layer window, and an additional window construction method thereof. The multi-layer window comprises: an installation module mounted inside an existing window frame of an existing window; a shading module installed in the installation module and transmitting or blocking sunlight emitted toward an indoor space; and an additional window installed inside the installation module. The present invention enables the additional window to be assembled to the inside of the existing window using the installation module to have multiple layers while unchangingly maintaining the existing window. |
