You can use this method to put a frame around a mirror that is already attached to a wall or to frame a mirror before hanging it.
Putting a frame around an existing mirror.
Cut the corners on the frame square if using plinth blocks or at a 45 angle if mitered.
I have been wanting to frame my bathroom mirrors since well forever.
This method works for framing basic mirrors that don t have any kind of rim or frames around them already.
To adhere the wood to the mirror i used a liquid nail product that is specifically designed for mirrors.
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.
Use measurements to cut lengths of primed mdf baseboard.
Determine trim style and positioning of trim around mirror to obtain measurements specific to mirror being framed.
Since even before the powder room remodel it seems like such an easy diy that practically anyone could do and makes such a dramatic difference.
These types of mirrors are also known as floating mirrors or construction ready mirrors.
Since this frame is floating on not attached to an existing mirror already mounted to the wall a margin of overlap is left to conceal the edge of the mirror.
Be sure to leave at least 2 of material to the outside of the frame so it can be properly joined in the corners.