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