WDMA Noise Reduction Window - Aluminium Solar Awning Window with Noise Reduction Sliding Window Zhongtai has built up an

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Philippines price Double tempered glass french aluminum casement window

Color: matt black

WDMA Noise Reduction Window - Aluminium Solar Awning Window with Noise Reduction Sliding Window Zhongtai has built up anCertifications Tested & Certified Alufront's windows and doors have been tested according to US and Australian standard, for thermal rating and Acoustic are above the international standard. Alufront's products are approved by AAMA,CSA,WERS,NFRC standard. ACOUSTICS TESTED WINDOWS & DOORS Sound or acoustic performance of a window is measured by the weighted sound reduction index or Rw value. Rw values are determined by measuring the reduction in dB