- lm58 alu-wood casement door open outward is a beautiful high-grade system .
- door frame and door sash adopt oblique cutting method to create neat appearance .
- use hollow glass to retain good air-tightness and good water-tightness and good heat-insulation to keep away from noise .
4.standard diagram : 1800mm (width) x 2700 mm (height) , with an aluminium consumption of 7.91 kg/㎡.