äänieristysikkuna

An äänieristysikkuna, or soundproof window, is a type of window designed to significantly reduce the transmission of sound from one side of the window to the other. This is achieved through a combination of design features and materials that absorb or block sound waves.

Key elements of soundproof windows include thicker glass panes, often with multiple layers or laminations. The air gap between these glass panes can also be wider than in standard windows, and this gap can be filled with an inert gas like argon or krypton, which further dampens sound. The window frame and seals are also crucial; they must be airtight to prevent sound leakage. Specialized frames made from materials like uPVC or wood, combined with robust seals, contribute to the overall sound insulation performance.

The effectiveness of a soundproof window is measured by its Sound Transmission Class (STC) rating. A higher STC rating indicates better sound insulation. These windows are particularly beneficial in noisy urban environments, near airports or train lines, or in properties where a quiet interior is desired, such as recording studios, concert halls, or homes. While often referred to as "soundproof," it's more accurate to describe them as highly sound-insulating, as complete soundproofing is extremely difficult to achieve. The technology aims to minimize noise disturbance and improve acoustic comfort.