Textured or plaster walls can cause a lot of problems for stud finders. It's hard to keep the tool flush against the wall and
The Secret to Finding Wood Studs in Lath and Plaster Walls – Zircon Corporation
Zircon Tip Minute 7: Finding Wall Studs through Textured Walls
Zircon Tip Minute 7: Finding Wall Studs through Textured Walls
How do I find a stud passed this heavily textured outdoor wall? : r/howto
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StudSensor™ L50, Wall Scanner Stud Finder
The Secret to Finding Wood Studs in Lath and Plaster Walls – Zircon Corporation
How to Use a Zircon StudSensor EDGE Stud Finder to Find Wall Studs
Zircon Tip Minute 6: Finding Wall Studs through Thick Walls
How to Find a Stud in a Wall
Tip Minute 19: Why It's Difficult to Locate Walls Studs on Exterior Walls with Your Stud Finder