Hang Heavy Mirror In Plaster Wall

Expand the anchor.
Hang heavy mirror in plaster wall. Hanging heavy mirror on plaster walls. Drill hole through plaster large enough to accept the toggle bolt. Your mirror is too heavy for picture hooks alone but a wall anchor would likely do the trick to attach them to a wall made of drywall or plaster. If you re hanging a heavy mirror on plaster without a stud your best bet is a hollow wall anchor such as a toggle bolt that expands and secures behind the plaster wall.
One foolproof method to hang heavy mirrors or picture frames is to use a molly bolt. To hang mirror on a plaster wall use a toggle bolt outfitted with a picture hanging hook. Use a molly bolt. To hang a heavy mirror it s best to select packages of heavy duty anchors.
A variety of drywall anchors are available. Thread machine screw through toggle bolt nut then pinch flat the wings on the toggle and push it through the hole in the wall. The mirror will hang from two points on the wall so you ll need one anchor for each hanger that is not driven into a stud. This hollow wall anchor will allow.
Hangers and hooks are also rated by weight so select those that are designed to hold the weight of your mirror.