Q: Can low-E/argon gas be put in a window when the seal is broken, instead of replacing the entire window? A: Let’s start by clarifying the purpose of low-E and argon gas. Low-E (low-emissivity) ...

Double glazed windows last 25 to 30 years on average Draughts, noise and warped frames are all signs that it’s time to ...

Double glazing should last for many years and weather well – that’s what it is designed to do. But 13% of the double glazing owners we spoke to had problems in the first 10 years after installation.