window frame double glazed sound proof aluminum window door and screen windows bifold K-value of window

K-value of window

best choice of High-grade building

Protect the building structure and decoration structure from the condensation or rainwater in the air

Wood grain aluminum frames

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window frame double glazed sound proof aluminum window door and screen windows bifold K-value of windowDetailed Images 1. High quality aluminum alloy profiles, thickness 1. 2 mm. 2. Excellent quality thermal break aluminum alloy profiles, thickness 1. 4 2. 0mm. 3. PVC UPVC profiles, thickness 2. 0 2. 5mm. 1. Tempered glass: Single tempered glass,Doubletempered glass ,Triple tempered glass . 2. Special: Laminated glass, Low E glass , Coated glass, Frosted glass etc. Material, color and brand all can be customized German brand ROTO or Chinese top brand