Hi, got a nice new sparkly bathroom that is well ventilated but just noticed mirror which is glued on the wall directly above the vanity (next to no gap between the two) is starting corroding/desilvering. Just wondering if siliconing between the two would help or detriment !ie trapping in the moisture. Or do I just need to be more mindful with cleaning and water residue on vanity and mirror and accept it happens!
ozglenn,
Jan 8, 10:04am
a mirror can be left with no seal around the edges as long as the glue holding the mirror to the wall is in vertical stripes so it can let any moisture drain down,horozontal lines of glue can trap moisture,if the mirror is too close to the wall it will result in poor ventilation,in this case the mirror can be sealed all the way around to prevent moisture getting in as long as it's a good seal otherwise any small gaps will let moisture in,
cantabman1,
Jan 8, 6:15pm
I think it would be cheaper just to replace your mirror.
rojill,
Jun 6, 11:08am
The back of the mirror, particularly the edges, should have been sealed prior to use/installation. Don't know what the modern trend is but all quality mirrors were sealed with a clear varnish to stop the very problem you have with the mirroring failing due to exposure to moist air. Other than replacing the mirror, you're only alternative at this point is to try to prevent further degradation of the mirroring bysealing around the edges between the glass and wall surface with a clear silicon. Won't look to good as you cannot repair/remove the existing damage.
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