Vertical sliding double pane glazed soundproof double hung aluminum windows aluminum up down sliding sash window on China WDMA patio door installation and maintenance

installation and maintenance

16 square tube

energy saving and environmental protection

Windows Energy Rating = A

Vertical sliding double pane glazed soundproof double hung aluminum windows aluminum up down sliding sash window on China WDMA patio door installation and maintenanceVertical sliding double pane glazed soundproof double hung aluminum windows Structural features: 1. Adopt double guarded design, to increase the wind resistance index. 2. Use the open wood technology for splicing frame, and use imported waterproof glue before splicing, the colloid is fully extruded when we fasten screw, so the waterproof problem is solved. 3. Profile adopts European standard hardware notch, muti point locking, to achieve very good