The strongest attraction point if due to a metal fastener in the wall should indicate the location of a stud. I also tried using it through the carpet upstairs but the experience was similar.
How Do Stud Finders Work Tool Tally
Will a stud finder work through metal. The finder uses powerful rare earth magnets to find metal studs and fasteners without any need for power. A typical asphalt shingle roof has a layer of wood based sheet material usually plywood or chipboard and normally with a layer of tar paper. The problem as you can imagine is locating ceiling joists through a sheetmetal ceiling. Shop talk stud finder work with metal siding. I tried a really nice stud finder bosch but that did not help much as the sheetmetal is blocking the signal. The body of the finder also includes a two way level so you can hang the finder from a metal stud for accurately leveling walls and other surfaces.
The attraction grows stronger as the magnet gets closer to the metal in the walling. Magnetic stud detectors use magnets to locate metal in the walling material because the magnet is attracted to the metal. In this tip minute eric shows you how. The reason is that stud finders are designed to scan through sheet materials such as drywall or plywood that have a fairly smooth surface and consistent thickness and density. Zircon tip minutes with eric the zircon tip guy are designed to give you essential tips that you can use in most of your diy and home improvement projects. Sun 22 feb 2009 09.