Reinforced Sashes Start with Modern Glazing Period-style sash windows are often less protected. Modern glazing systems are more robust. Many updated frames include stronger fittings and tougher glass. A Noticeable Decrease in Street Noise Older sash windows offer little protection when it comes to keeping out sound from outside. https://travelnews36813.getblogs.net/67393680/lower-energy-bills-with-timber-frame-double-glazing