When replacing basement windows, most people now consider glass block. It's a good insulator, secure, and waterproof. It lets light in, but obscures visibility from the outside, and can incorporate ...

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Question: We need to replace two living room windows. We looked at glass block windows because of the security for our family. How energy efficient are they and is it possible to get ones with ...

Q: I am considering installing glass block windows on some first floor ones for security. Is the solid glass energy efficient and can I have some summertime ventilation with them? A: From a security ...