I have a pair of ~ 60"W x 42"H x 3/16" thick bathroom mirrors that I would like to mount using chrome-looking J Channels on top and bottom. The closest thing I could find so far is this polished aluminum J Channel – albeit at 1/4" thick. I don't want the 3/16" thick mirror to wobble – what's a good way to compensate for the 1/16" difference in thickness? Perhaps some sort of plastic insert to go between the rear of the mirror and the J Channel?
Can I use 1/4“ J Channel to mount 3/16” thick mirror
bathroommirror
Related Solutions
At Home Depot (or Lowes) you should be able to find these Spring Loaded Mirror Mounting Clips made specially for hanging a mirror. They are no where near as big as a j channel and the top two have a small spring inside of them so they kind of grasp the mirror (and snugly fit on the glass).
You put the two without the springs in the bottom and the mirror just sits in them. Two more (with the springs) added to the top prevent the mirror from falling forward. Of course it would be best if you can get them into a beam in your wall. And you will barely notice the clips on the mirror once it is in place.
This turned up a few sources --> Googling "Mirror Screw Covers"
And at least one place calls these "grommets with covers" --> CRL Mirror Grommets
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Best Answer
A mirror that big will have some flexibility if there is some room behind it. Especially when you press on the mirror such as when cleaning it.
I would recommend using a padding technique on the back of the mirror to give it a firm seating against the wall whilst at the same time causing it to flush out against the front inside edge of your J channels.
The technique I would use would be to get some 1" wide foam type tape that has glue on just one side. Stick short strips of this to the back side of the mirror near the edges and at various points in the middle area. If one layer of the tape is not thick enough then simply place additional strips directly on top of the first set to increase thickness.
The 1" wide foam tape should be available at most hardware and home supply outlets. Do select carefully as foam tape with glue on both sides is also common.