Any tips for doing this? I have two very large mirrors I got for free I want to put in my home gym but the edges are really in bad shape.

I tried using a cheap glass cutting wheel from Lowe's and it almost worked but when I broke the mirror it didn't completely follow the scores line.

I have a dremel rotary tool, a dremel oscillating tool, circular saw, angle grinder….

Any safe and effective ways to do this with what I have?

No help really, the one time I did it when I made some cabinet doors I followed a tutorial from Rokler or somewhere like below. Maybe your glass tool sucked? Alternatively, you could just trim out the edges with some really wide banding or even a paint line if you don't want to mess with the cutting any further.

Thanks for the video. I might give that a try. The tool I have is definitely not a high quality tool so maybe that is my problem.

I might also have to just get more creative and make a frame.

I cut glass pretty frequently for framing, and picture framing glass is MUCH more forgiving than mirror glass. In most cases, depending on the size, the mirror glass is going to be much thicker, which means you'll need to get a good tool and score the glass a bit harder. Make sure to use plenty of oil. Remember, you're trying to impart a fracture line as deep into the glass pane as you can. The deeper the fracture, the easier it will be to snap the glass off.

If you want a bare edge after you cut, you'll more than likely have to sand the edges down either with sandpaper or a dremmel. Start with a wet low grit (80-120), and work your way up to a wet higher grit (1000-2000). Otherwise you can just build a frame to cover the jagged edges.

A good score line and having a large flat surface to work on is key to getting a good break.

Personally, if the edges are in bad shape and everything else is OK, I would absolutely figured out how to 'trim' the mirror with molding. Without professional equipment, a mirror is going to show every tiny imperfection and you likely will make it worse, or break the entire mirror.

bam02 said:

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Any tips for doing this? I have two very large mirrors I got for free I want to put in my home gym but the edges are really in bad shape.

I tried using a cheap glass cutting wheel from Lowe's and it almost worked but when I broke the mirror it didn't completely follow the scores line.

I have a dremel rotary tool, a dremel oscillating tool, circular saw, angle grinder….

Any safe and effective ways to do this with what I have?

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Location

I'm in SA. I really need to just leave well enough alone. The mirror(s) serve their purposes now. They're just kind of ugly on the outer 2" edge or so.

I appreciate all the feedback.

In college station our ACME have cut my mirrors for five dollars and sometimes for free