• Style: US style /European style
  Upvc profile: 2.0mm,2.2mm,2.5mm,2.8mm,3.0mm thickness avaiable
• Profile surface color: white UV coating mainly, double-color coextrusion profile, laminated wooden-color film and other option available
• Color: customize available
• Chamber Structure: 4-6 Chamber.

Standard: A

• Heat preservation: k≤1.54w/m2•k(GB/T8484-2008)
• Sound Insulation: Rw≥35dB(GB/T8485-2008)
• Air-tightness: Grade 6(GB/T7106-2008)
• Water Sealing Property: Grade 5(GB/T7106-2008)
• Wind Pressing Resisting: Grade 6(GB/T7106-2008)