10 years warranty sound proof and weather proof vertical window/hurricane impact windows on China WDMA patio door density is 2

density is 2

Pictures of packing and pictures as following

Double water-proof sealing trips and drainage system in bottom track thoroughly solve the problems of sealing trip ageing and

PVDF coating Glass  Material : Single glass

etc which can be fiberglass screen or aluminum  mesh

10 years warranty sound proof and weather proof vertical window/hurricane impact windows on China WDMA patio door density is 2Certifications 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