The deeper of the two will be the depth of the notch.
Putting a frame around a mirror.
Measure the outside dimensions of the frame so it overlaps the mirror.
Measure the thickness of the mirror and the bottom track if any.
If the mirror is attached to the wall with screw clips either notch out the frame to accommodate the clips or remove the clips and attach the mirror to the wall with construction.
To adhere the wood to the mirror i used a liquid nail product that is specifically designed for mirrors.
Cut the corners on the frame square if using plinth blocks or at a 45 angle if mitered.
Once your frame dimensions are known cut the four sides 1 longer than that final size.
The other way you can do it is to just repurpose a picture frame and put a matching mirror inside of it.
When you want to dress up a mirror by framing it there are a couple of easy ways to do it.
I didn t have clips on my mirror but did have a countertop on the bottom to work around i decided to make my boards overlap on top of the mirrror a good bit.
Determine trim style and positioning of trim around mirror to obtain measurements specific to mirror being framed.
The first is building your own frame around the mirror using baseboard molding which requires a little bit of carpentry.
In order for the frame to mount flush against the wall a notch must be cut into the backside of the frame pieces.