Though there are several methods of locating studs or supports behind the wall the most reliable is using a magnetic stud finder.
Hanging heavier objkects on wall.
No power tools are required for this self drilling fastener.
This type of fastener comes in different sizes to accommodate differences in wall thickness and in the weight of the things they are to hold.
Use a screwdriver to screw it in until it s flush with the wall.
When hanging heavy objects such as shelves and mirrors the best device is the expansion anchor or expansion bolt.
Next take your screw and begin driving it into the anchor.
If you have a bathroom scale simply step onto the scale while holding the item and record the weight.
Once you ve done that hanging a heavy object like a large mirror television or work of art becomes a safer and simpler task.
The proper way to hang objects 10 to 25 pounds instead use a threaded drywall anchor to securely hold objects between 10 and 25 pounds such as heavy picture frames bulletin boards mirrors and light weight shelving.
If you re hanging a heavier piece expandable metal anchors also known as molly bolts are an option.
Then step onto the scale without the item and record the weight.
These may hold up to 20 pounds according to this old house but be sure to check the package to confirm.
Subtract the second number from the first and you ll have the weight of the item.
Typically when you want to hang a heavy item on the wall where there is no stud you have to get out your drill drill a hole hammer in a wall anchor and then screw in a large screw.
Hammer the anchor in until it s flush with the wall.
Removing wall anchors is a pain and patching the wall after removal never looks perfect.
Simply hanging something heavy on a plaster wall can result in damage to the wall and the object if you don t tap into the supporting structure behind the plaster.
Make sure to position your shelf or whatever you re mounting up to where you want it and then drive in the screw.