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Is this something I can fix with windshield repair glue?
Welcome to the Bunnings Workshop community @mysterysolved. It's wonderful to have you join us, and many thanks for your question about repairing a shower screen.
I would not recommend trying to repair this with a windscreen repair glue.
Most modern shower screens are made from toughened safety glass. When that type of glass is damaged, it usually shatters into thousands of small pieces rather than cracking like this. The fact that yours has formed a visible crack is unusual and raises a concern about what type of glass it actually is.
Windscreen repair products do not fix structural cracks. At best, they might slow the spread of the crack for a short time, but they will not restore strength. There is still a real risk the glass could suddenly fail, especially with temperature changes, vibration from doors closing, or normal use.
If the panel is not safety glass, that is an even bigger issue because it presents a genuine injury risk if it breaks. Even if it is safety glass, once a crack has formed, the panel is compromised and can shatter unexpectedly. For those reasons, replacement is the safest and most appropriate option here. I would avoid any DIY repair attempts and arrange to have the screen replaced as soon as possible to eliminate the risk of it failing while in use.
You might like to explore our shower screen options and consider using our Services Marketplace to find an installer.
Please let me know if you have any questions.
Mitchell
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