Use an automatic stud finder available for sale at nearly all hardware stores to locate studs in your wall.
Hang very heavy mirror plasterboard wall.
Use two hangers spaced along the mirror s width to distribute the weight.
Screws and screws with masonry anchors for heavy items are your best choice for hanging things on plaster walls without picture rail.
Otherwise they ll be supported by nothing but plaster and drywall which won t be able to hold most heavy mirrors.
In addition to picking the right weight capacity the length of the hollow wall anchor is important because the bolt must extend beyond the wall so it can expand behind it.
Hanging a large and heavy mirror to a dry lined or plasterboard stud wall the modern method of dry lining interior walls using the dot and dab method and internal stud partition walls with 12mm half inch plasterboard present a problem when trying to hang large mirrors in the exact position required because behind the plasterboard there is a void.
Using molly bolts is really simple.
Thread machine screw through toggle bolt nut then pinch flat the wings on the toggle and push it through the hole in the wall.
Here are the basic tool you ll need.
Mark the outside edges of each stud in the area where your mirror will hang with a pencil.
Monkey hooks are simple devices that allow you to hang a mirror or other object on drywall easily.
Check out the following four easy to install options for how to hang a heavy mirror with minimal wall damage.
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.
Use an electronic stud finder to locate them.
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.
You need to make sure that the screws or nails you hang your mirror from are driven directly into the studs.
A variety of drywall anchors are available.
To hang mirror on a plaster wall use a toggle bolt outfitted with a picture hanging hook.
For lighter items simply screwing into the plaster with a 1 1 4 drywall screw is usually enough to get the job done.