©Ali HowsonWorking with Mirror
Silvered mirror backing will break-down when exposed to cementious adhesive (a.k.a. thinset in USA), grout or many silicones.
The best adhesive for mirror is a Neutral-Cure adhesive. Soudal Crystal “Fix-All” is ideal for this – it is clear, and suitable for exterior use, so I find it is my adhesive of choice for everything, as you never know when a piece of mirror can pop into your work! It’s also available at Bunnings.
When cutting mirror, you can seal the edges before grouting with a Mirror Edge-Seal spray. This provides a barrier between the mirror and the grout.
Don’t forget, coloured mirrored tiles are backed with the same treatment, so will also break down if exposed to alkaline substances.
For more of my mosaic articles, go here: https://merlinmosaica.com/articles/
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