Image coutesy of Museum Resources. Undoubtedly, hanging heavy things on a plaster wall via a wall stud is the best choice you can ever make for your plaster wall. Hi guys, I need to hang a few things in the bathroom, which has original lath and plaster walls. For the life of me I can’t find anything in the hardware stores that say they work on plaster. They are thick, making them the best part of the wall to hang your heavy items on. Buying wall, the best plaster wall anchors majorly have a lot to do with the design and material of the anchor. Even more so if you live in an old house with plaster and lath walls. The reason is quite simple. Finding studs in a lath and plaster wall can be tough for a couple of reasons. However, when it comes to a plaster wall, it may be harder for the wall to support the weight. Then, use this drill bit an an electric drill to drill into the "X" on your wall. For things like pot racks etc., i used smaller plaster anchors. For an average set of wall anchors, you will usually need 1 3/16 drill bit. Instead, use plaster anchors made of metal like a molly bolt or a toggle bolt. You can see the pink plaster, which is pushed onto and into the yellow laths, which in turn are fixed at narrow spacing to the upright timber studs. B. Always use a wall anchor when hanging items on plaster walls. I then switched to a BRAND NEW standard drill bit that nicely cut through the lath. The lath is then embedded with three layers of wet plaster. You've found your studs. First I drilled with a masonry bit through the thick plaster until I hit the lath. Lath and plaster is a building process used to finish mainly interior dividing walls and ceilings. Plastic wall anchors don't work with lath and plaster walls. If you can hang your heavy object in line with a stud and screw a long screw directly into the stud, that's always the best option. 1914) and encountered 2 significant challenges. Mesh is also used to help secure the plaster to the lath in some instances. If you're forced to use wall anchors, toggle bolts are your best bet. In your case where you have plaster, there are probably 4 alternatives: 1. The plaster that goes between the lath is called “keys”, and it locks the material in place. A pre-drilled hole large enough to insert the toggle is required. But it’s easy eliminate these risks: Just pre-drill the hole first. Ideally, we would like to mount a TV onto a wall, but I’ve had little luck with YouTube tutorials, as most are just videos of either mounting on drywall or fixing lath and plaster. Note about plaster walls vs. drywall: We have plaster walls, which can be tricky. Toggle or molly bolts are required. Four-foot-long strips of wood lath, typically 1-inch wide, are nailed directly to the open wall studs. 3. Force base coat into the lath. Mark the thunks. Check the instructions on the back of your package of screws and anchors to determine how big the drill bit should be. I'm trying to install curtain rods in my NYC brownstone apt. When plaster is applied to a wall, the mixture of plaster is hand-pushed through the spaces inside the wall to form the keys, which holds the plaster in place. Plaster is incredibly strong; our utility room shelves probably have 500 pounds of stuff on them and they're suspended from 6 lag bolts. For plaster and lath either use a Toggle bolt, or a Molly bolt. Screws just sit loose in the plaster, plastic wall anchors just create larger holes. Hanging stuff on plaster walls can be challenging. If the separation is slight—say, between 1/4" and 1/2"—good reattachment is likely because the plaster will usually push back into place solid and flat against the lath. From the 1700s all the way through the 1940s, lath and plaster was the interior wall construction method of choice. Be sure to use one that's long enough to get behind the plaster and lath. Lath and plaster refer to an interior wall construction technique that typically predates the 1940s. When you hit a stud you will hear a thunk. Once you do, hold them up to the wall and mark the holes with a pencil. It consists of narrow strips of wood which are nailed horizontally across the wall studs or ceiling joists and then coated in plaster.The technique derives from an earlier, more primitive, process called wattle and daub.. Use the appropriate anchors to mount the brackets. Wear safety glasses and a dust mask when drilling plaster walls. If the plaster sags 1/2" to 1" from the lath, there is often too much debris (broken keys, years of silt) between the plaster and lath … Plaster washers are about the size of a quarter and cost pennies. A MultiScanner ® wall scanner with metal-finding capabilities or one of our dedicated metal scanners may be used to locate nails fastening wood lath to the studs. I did purchase both the 3/16 and the 1/4 inch wall anchors, but would probably opt … Below is a section of a lath and plaster wall face on. lath and plaster wall fixings. These are used in hollow walls including: drywall, plaster, paneling, and cinder block. The unique design of the plaster washers anchors the plaster firmly against the lath, stopping cracks and sagging. I've hung huge elfa shelving with plaster anchors and 2" screws, and even lag bolts that go into the space behind the lathe. What type of wall anchors can I use on old lath and plaster walls? 1. – Tester101 Feb 8 '11 at 17:50 Xan uses a torpedo level to make sure the brackets are plumb (straight up and down). Got a tarty glass shelf thing to put up in the bathroom. A concrete or solid wall can easily support the weight of the TV. Best Wall Anchors work for old NYC plaster walls? We moved into a house built in 1906, so many of the walls are still lath and plaster. Lath and plaster wall (clad in that PVC stuff), I've only got 1 joist in a position to do anything useful. Carefully drill a hole into the plaster. In the result of poor workmanship, improper application, or excess moisture entering the plaster and lath walls, the material is more likely to crack or separate from the framework. The wall anchors bit nicely. Toggle Wall Anchors. Plaster walls are made by nailing strips of narrow wood lath, spaced 1/4 inch apart, horizontally across the vertical studs. The The cavity between them is only about 3", if I remember correctly. Sections without a stud will sound hollow. If metal mesh was used, even metal scanners may not find the stud. They’re designed to work on either drywall or plaster and may be used when the wall is hollow and has sufficient space behind it to accommodate the toggle. The studs will hold the decoration more securely. What Is a Lath and Plaster Wall? Locate wall studs prior to drilling when hanging items on wood frame walls. Discussion in 'Builders' Talk' started by winterdiy, Jan 6, 2017. winterdiy Member. Hanging heavy objects on the wall can be tricky, and with all the options available out there, downright confusing. The prongs are then pressed tightly against the inside of the wall by driving the included screw. Above all, we’re concerned about installing anchors properly so whatever we hang doesn’t end up on the floor in pieces… or on your head. Are they about 16" apart? Plaster wall anchors with the "t" mechanism look as if they will just create larger holes in my walls. Screws (and screws with masonry anchors for heavy items) are your best choice for hanging things on plaster walls without picture rail. I've seen threaded drywall anchors used, but they always seem to fall out eventually when the brittle plaster around them starts to crumble. 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