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Sealing performance optimization: Ensure seamless fit between the window sash and frame, and use multi-channel sealing strips (e.g., EPDM rubber strips) to prevent air-borne noise infiltration through gaps.
Glass matching design: Select glass with different thicknesses for the inner and outer layers to avoid resonance and improve sound insulation efficiency; the thickness of the glass and the width of the interlayer should be determined according to the target noise frequency band (e.g., thicker glass is more effective for low-frequency noise).
Frame structure reinforcement: Use reinforced profiles with high rigidity to reduce vibration transmission of the frame itself, and avoid rigid connection between the window frame and the building structure (e.g., add damping pads at the connection).
Ventilation noise control: If ventilation is required, equip with a silent ventilation system with sound-absorbing channels to ensure air circulation while maintaining noise reduction performance.
