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You should seal glass block walls every two to three years. Sealing glass blocks is especially important for shower walls because the glass blocks get hit with water frequently. You can use silicone sealant to fill the outside perimeter joints of the wall on both sides. If you notice any gaps or holes before that period, it's best to fill them as soon as they appear.

While it's possible to replace a single glass block if one breaks, it's a task that requires caution and expertise. The process involves carefully removing the damaged block by chipping out the surrounding mortar, which can be hazardous due to sharp glass fragments. For your safety, it's recommended to wear appropriate protective gear, such as safety goggles, gloves, and long-sleeved clothing. However, to ensure the replacement is done safely and correctly, it's best to hire a professional who has the necessary skills and equipment.

Glass blocks are designed to be quite durable and can withstand a fair amount of impact. While they are made of glass and can chip or break under extreme conditions, solid glass block windows are robust and offer substantial strength. Reinforcing rods and mortar used in installation contribute to their overall sturdiness. It's rare for glass blocks to break under normal circumstances, but if damage does occur, it's important to address it promptly to maintain the integrity of the entire structure. Overall, you can trust in the durability of glass blocks to provide both beauty and resilience to your home.

Glass block windows enhance home privacy and energy efficiency by blocking external views and sealing out drafts. They deliver superior insulation while allowing ample natural light to brighten your space. Their solid, opaque design guarantees that unwanted onlookers are kept at bay and reinforces security. In addition, the airtight construction maintains a stable indoor temperature, reducing the need for excessive heating or cooling, which in turn lowers energy expenses and boosts overall home comfort.