Product Performance:
* The casement window is one type of aluminum alloy windows that use stainless steel four-bar linkages to facilitate opening.
* High-quality rainproof strips are used to provide watertightness, air-tightness and acoustic insulation.
* YE-699 casement window provides at least 35db acoustic insulation and is a high-performance Green Construction Material.
* The sash and the frame of the casement window have a hidden drainage system that works despite blowing wind to prevent rainwater from flowing into the room.
* The casement window can be opened at the desired angle to keep ventilation and thereby save energy.
* It also functions as an emergency exit.
