QA

Question: How To Find Studs In Lath And Plaster Walls

Do stud finders work on lath and plaster walls?

Stud finders, however, will not always return accurate results with lath and plaster walls because of the very inconsistent method by which they are constructed. First, wood laths, narrow strips of wood, are nailed horizontally across vertical wall studs. Two wet coats of plaster are applied to the laths.

Can a plaster wall have no studs?

Can a wall not have studs? The answer is no—a wall must have studs to ensure structural support. However, there are some variations in how a wall can be framed and where you will locate studs.

How far apart are studs in plaster walls?

They’re always spaced either 16 or 24 inches on center (measured from center to center) along the wall and run between the floor and ceiling. Drywall or lath (for plaster walls) attaches to the edge of the studs.

How do you hang things on lath and plaster walls?

Plastic wall anchors don’t work with lath and plaster walls. Instead, use plaster anchors made of metal like a molly bolt or a toggle bolt. Be sure to use one that’s long enough to get behind the plaster and lath. When drilling into plaster, you’ll need to use a masonry bit.

How do I find ceiling joists under lath and plaster?

Hold a flashlight right by the ceiling on a very gentle angle to the surface, so the light shines nearly horizontally across it. Look for dimples in the paint. They usually indicate the presence of a nail behind the plaster, and where there’s a nail, there’s a joist.

What can I use if I don’t have a stud finder?

How to Find a Wall Stud Without a Stud Finder Shine a flashlight at a steep angle against the wall. Examine the baseboard for nails or outlets. Measure 16 inches from the first stud you find to approximate the location of the next one. Drive a small nail into the wall where you believe you have found a stud.

What to do when you can’t find studs?

If you can’t find the stud even after drilling, there’s one more technique you can try: Grab a wire hanger and untwist it, fashioning it into a right angle. Use your new tool to fish around behind the wall, says Rothman. When the wire makes contact with a firm object, that indicates you’ve found a stud.

Can you use drywall anchors in plaster?

Drywall anchors can be used on plaster walls the same way they’d be used on drywall. However, in many cases, they’re not necessary, because it’s easier to get a screw into the lath.

How far apart are studs in old houses?

You may be asking, “How far apart are studs?” Typical stud spacing is 16 inches on center and even on older houses is rarely greater than 24 inches on center. Most electrical boxes for switches or outlets are attached to a stud on one side. There are studs on either side of a window.

How thick is lath and plaster?

Wood lath is typically about one inch (2.5 cm) wide by four feet (1.22 meters) long by 1⁄4 inch (6.4 mm) thick. Each horizontal course of lath is spaced about 3⁄8 inch (9.5 mm) away from its neighboring courses. Metal lath is available in 27-inch (690 mm) by 8-foot (2,400 mm) sheets.

Can you mount a TV on lath and plaster?

You most certainly can mount this on lath and plaster walls. The key is finding the studs – and honestly finding the center of the studs. The mount itself is really heavy, and then you’re putting a heavy television on the end of a long lever. Just make sure you’re anchoring that truly in studs and not just the lath.

How far are studs from corner?

When a home is framed, the wall studs are usually spaced 16 or 24 inches apart. If you start in a corner and measure out 16 inches and you don’t find a stud, you should find one at 24 inches.

How much weight can a screw hold in plaster?

Both plaster and drywall can hold roughly the same amount of weight. A screw driven into a stud in both plaster and drywall can hold 80–100 pounds (36–45 kilos). Anchored screws or other fasteners set into the wall where there is no stud can hold up to 20 pounds (9 kilos).

How much weight can a molly bolt hold?

Molly Bolts These are not as easy to use as other drywall anchors, but they’re still good to have on hand for medium (10 pounds to 25 pounds) to heavy loads (25 pounds to 50 pounds).

How much weight can plasterboard hold UK?

Originally Answered: How much weight can a hollow wall/ plasterboard wall take? Your wall will be able to take as much weight as you can hang on it. Every 12″x12″ span of 1/2″ drywall can hold 40lb in pull out load, as if you were hanging from a ceiling. The other type of load is shear or pull down load.

Can you drill into lath and plaster?

Hanging items on plaster almost always involves drilling a hole first, since nails may not penetrate the thick surface and they tend to leave cracks if they do make it through the plaster. Drilling a hole in plaster safely prevents cracking around the hole area while minimizing the amount of plaster dust kicked up.

Does Walabot work on plaster walls?

Answer: Walabot DIY 2 works on all phones, including iPhones. Walabot DIY Plus X is for Android phones only. Walabot DIY Plus X scans drywall and Lath & Plaster walls.