(In Scotland they even used horsehair!) Unfortunately, if metal mesh was used, even our metal scanners may not help you find the stud. In some cases, mesh is used to help secure the plaster to the lath. You can use a MultiScanner ® tool with metal-finding capabilities or one of our dedicated metal scanners to locate nails fastening wood lath to the studs. To see which side the stud is on, take the switch plate cover off and take a peak inside. Though there may be an occasional free floating box in an old home, you have an excellent chance of finding a stud on one side of the box. This keying creates the inconsistencies that defeat the StudSensor ™ technology. Step 1: Find an Electrical Box Electrical boxes for outlets and light switches are supposed to be attached to studs. Insufficient "keying" and the plaster falls off over time. The photo on the above illustrates how plaster oozes through the lath to create curls called "keys." Keys keep the plaster securely attached to the lath. After the plaster completely dries, the walls can be painted. A rough, sandy "brown coat" goes first and a smooth, finish coat follows on top. Two wet coats of plaster get applied to the laths. The process begins with wood laths-narrow strips of wood nailed horizontally across vertical wall studs. South Florida construction didn't follow the national trend as lath and plaster remained the dominant technique there through the early seventies. In much of the United States, its use began to decline in the late 1950s as drywall emerged as a less expensive and easier to install alternative. To fully understand why these walls present such challenges it's best to first take a look at how they're built.įor centuries, lath and plaster had been the primary building process for interior walls. The smooth surface of these walls deceptively hides an inconsistent combination of wood (lath) and plaster, with varying levels of density between the plaster, lath and stud. Unfortunately, our StudSensor ™ stud finders will not always return accurate results with lath and plaster walls due to the very method by which they are constructed. In order to work properly and effectively, the wall surface must have one consistent level of density, and be less dense than the wood stud. It is also very possible that the lath itself has pulled away from the studs in places, and the. Those glued to some of my wife's sowing thread works like a charm.Our StudSensor ™ stud finders identify studs by looking for increases in density behind a wall. Especially for a TV, find the studs The leverage from the cantilever of the TV bracket out away from the wall can put tremendous force on the anchor - the reason TV mounts appear so hefty - and normally specify mounting to studs in any type walls. Where the studs are, you have the same plaster and laths, and then 4 or 6 inches of solid wood. Even though plaster walls have laths, the area behind that is open, for wiring, plumbing, and insulation. Tips for Choosing Best Stud Finder For Lath And. This seemingly silly practice is actually a very accurate way to find studs in walls. When using a stud finder on lath and plaster walls, it is usually able to detect the studs through these layers. This wall stud finder features five scanning modes to accommodate various wall material thicknesses:3 depth stud modes,detecting up to 1.5 inches(38 mm) deep in drywall Metal mode could detect various metal materials deep up to 2.36 inches and AC mode detects live AC wires up to 2 inches. 6 Tips and Warnings on Working With Lath and Plaster. 5 Fastening Options for Lath and Plaster Walls. I have a bunch of M52 rare earth magnets from my hobby modeling. To use a stud finder on a lathe and plaster wall, follow these steps: Prepare the wall: Remove any loose plaster or debris from the area where you want to locate the stud. 4 The Different Methods for Anchoring Into Lath and Plaster Walls. Magnet and string idea works like a charm. So I wanted to ask for suggestions in hopes I can possibly find something good and stop missing studs.ĮDIT: thanks for the comments. We're hoping to start a DIY kitchen cabinet reno this weekend, and a good stud finder is obviously a necessity. Used a few different kinds, but they never seem to work correctly that being said, it could easily be user error. We've struggled to find a stud finder that accurately detects where studs are. And as far as I can tell, the gaps between studs, or the sizes of the studs, are not consistent. Our house was build in 1927(ish) and has all lath and plaster. Sorry if this is a bit more simple of a question, but my wife and I have struggled on various home projects in finding the studs in our walls. plaster walls, it's even more important to drill exploratory holes to locate exact stud position before hanging shelves or anything heavy. Hey all, first time poster to the sub, but been lurking for a while.
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