Symptoms
- Stud finder shows no stud where you want to hang a shelf
- Existing shelf pulled out of the wall along with the anchor
- Unsure which type of anchor to use for the weight
Likely causes
- CommonShelf location falls between studsStuds are usually 16–24 inches apart, so many desired spots miss them.
- CommonWrong anchor type for the wall or weightPlastic anchors are only rated for light loads; heavier shelves need toggle or screw-in anchors.
- PossibleAnchor installed at an angle or in damaged drywallA crooked or loose anchor won't grip the drywall properly.
What to do
- Confirm exactly where studs are and are not with a stud finder.
- Choose an anchor rated for at least the expected load, such as a toggle bolt for heavier items.
- Drill a hole matching the anchor's size at a 90-degree angle to the wall.
- Insert the anchor per its instructions, ensuring it's flush and secure.
- Attach the shelf bracket using screws into the anchor.
- Test the shelf's hold with light pressure before loading it up.
- Distribute weight evenly and avoid exceeding the anchor's rated capacity.
Tools and parts
- Stud finder
- Drill/driver
- Level
Toggle bolt or self-drilling drywall anchorsSearch: “heavy duty drywall anchors for shelves”
When to call a pro
Call a handyman for heavy shelving units or if you're mounting into plaster or masonry walls, which need different anchor types.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.