Bore a hole in the wall large enough to accommodate the toggle.
Mounting heavy objects plaster walls.
Non pointed molly bolts that require a drilled installation hole work best on plaster walls where there are no studs.
Hanging heavy objects on the wall can be tricky and with all the options available out there downright confusing.
Even more so if you live in an old house with plaster and lath walls.
When it comes to installing a wall hanging be it a work of art a shower curtain bar a knife grabber or a big heavy mirror there are so many unspoken rules around what will hold and what.
They are strong enough to hold objects over 20 pounds with ease.
Metal toggle bolts can support heavy loads 25 pounds to 50 pounds in drywall plaster and hollow core concrete block.
I would still make it my goal to get into at least two studs.
Plastic versions hold medium loads 10 pounds to 25 pounds in drywall and plaster.
If you can hang your heavy object in line with a stud and screw a long screw directly into the stud that s always the best option.
Find a stud if you can.
To secure heavy items on plaster walls use screws that are 2 inches 5 1 cm long.
For lighter items simply screwing into the plaster with a 1 1 4 drywall screw is usually enough to get the job done.
Pre drill a hole at the spot where you want to.
You ll drill and tap the round flange flush with the wall turn the screw to expand and secure the slotted sleeve on the back side of the plaster wall.
Thick plaster walls with wooden lath do complicate the process.
How to use them.
If you can t get any sort of reading with the stud finder a small drill bit is the way to go.
Hanging heavy objects 1.
Use a magnetic stud finder to locate the wooden studs hidden behind the plaster wall.
How to hang heavy objects on plaster walls step 1.
Studs can help support the weight of heavy objects.
Screws and screws with masonry anchors for heavy items are your best choice for hanging things on plaster walls without picture rail.
Move the stud finder approximately 16 inches to the right or left of the mark.
Move the stud finder over the plaster wall across the spot where the heavy object will hang.