UPVC sliding window curved

UPVC Sliding Window Curved 1. Utmost energy efficiency and insulation provided by the unique 3-cavity and 2-seal design, the thickness is 2.5mm. 2. Beautiful and elegant appearance with curved glass 3. Stronger reinforcement offers higher wind-load resistance,The special drainage system design, keeps breeze from blow to result in rainwater and dusts enter. 4.Easy fabrication, superb water and air tightness 5.Kinds of glass available: Clear glassstained glassobscure glass Single glazingdouble glazing Normal glasssafety glass Low-e glassreflective glasslamination glass 6. Different wooden colors for frame and sash