Q: My house needs more efficient windows. I live alone, so I am considering some glass block windows for security. Are they very efficient and how can I have some summertime ventilation with them? A: ...

Dear Nina: Complete glass block window installation kits are available, but it is not difficult to do it yourself using individual glass blocks and mortar. This will result in an extremely strong ...

Question: I am remodeling my house and I plan to use decorative glass block windows on the exterior and interior as accents. Are they energy-efficient and are there low-cost do-it-yourself kits?