Knowledge Builders

what are stud finders used for

by Antoinette Farrell Published 2 years ago Updated 2 years ago
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A stud finder (also stud detector or stud sensor) is a handheld device used with wood buildings to locate framing studs located behind the final walling surface, usually drywall. While there are many different stud finders available, most fall into two main categories: magnetic stud detectors and electric stud finders.

Full Answer

What is the best way to find a stud?

Use A Magnet

  • A magnet will hit the spot and detect the presence of studs in a straightforward way. ...
  • Suspend the magnet along the wall and move it along in a snail’s pace horizontally.
  • Occasionally, the magnet will attach to the wall for some time on a stud’s location. ...

More items...

How much does a stud finder cost?

This is useful when hanging particularly heavy or expensive items. How Much Does a Good Stud Finder Cost? A good stud finder (with verified, above-average reviews) costs approximately $21, according to a 12-month analysis of price trends. Those same stud finders cost around $15 while on sale: an average discount of 29%.

How to use different stud finders?

To use a Stanley stud finder, you just need to follow these steps:

  • First of all, turn on the stud finder by pressing the on/off button. If nothing happens, maybe you’ll need to replace the battery. ...
  • After that, you’ll need to calibrate your stud finder. ...
  • Then, run the stud finder over the wall. ...
  • Pay attention to any alert signal from your tool. ...
  • After that, use a pencil to mark the exact point. ...

How to find wall studs without a stud finder?

How to Find a Stud in the Wall Without a Stud Finder

  • Measure the Frame. The most reliable way of finding a stud without a stud finder is trusting the frame built behind the wall.
  • Use a Flashlight. You can also use a flashlight to search for the stud. ...
  • Look at an Outlet. Outlets are usually nailed into studs. ...
  • Use a Magnet. ...

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Why do you need a stud finder?

A stud finder may look like a futuristic weapon, but it's an excellent way to locate the stud behind a wall. See more pictures of hand tools. Hanging heavy objects on walls requires that you anchor the fastener to an unseen wall stud rather than just to drywall. A stud finder can identify a stud's location.

What does a stud finder actually find?

Low-end stud finders use magnets or electricity to detect a stud. These stud finders detect the fasteners in the drywall and alert the user once the magnet is attracted to the metal fastener. 2. Stud finders that use electricity detect changes in the dielectric constant of the wall to find studs.

Is it worth buying a stud finder?

A stud finder is good for, well, finding studs you can't see. Knowing where those are is crucial so you can be sure to screw into them instead of just the drywall when you're hanging something heavy, like a mirror or a mount for, say, a flat-screen TV.

Should I drill into a stud?

Now you may be thinking, why do I even need to drill into a stud in the first place — and the answer is simple. The stud is what provides support for the item you're trying to hang. If you drill straight into drywall, odds are your item is going to end up broken on the floor.

How far apart are studs?

The general spacing for wall studs is 16 inches on center, but they can be 24 inches. At my home, the exterior wall studs are spaced at 24-inch centers, but the interior walls are 16 inches on center.

Can I use my iPhone as a stud finder?

Description. This app will help you detect ferrous metal objects. It uses the magnetometer to measure the magnetic field when your iPhone is placed near ferrous metal objects.

How can you tell where a stud is in the wall?

How to Find a Wall Stud Quickly and EasilyLocate the nearest light switch or power outlet. ... Look for dimples in the wall. ... Use windows as a guide. ... Tap the wall. ... Drill a hole. ... Fish around with a wire hanger. ... Try a stud finder app. ... Or just use a stud finder!

Can phones be used as stud finders?

The Android app has several scanning modes. You can perform a quick pass to get a general impression of what's behind the wall, and then scan more thoroughly to identify studs, pipes and wires. The app can also measure the distance between objects behind the wall and zero in on the centerline of studs.

Do stud finders find wood or metal?

Even though only commercial buildings use metal studs, magnetic stud finders, which are still available, work with wooden studs, too, by locating the metal nails used to mount the wallboard or wooden lath. A newer type of stud finder works by detecting density changes in a wall.

Do stud finders detect wires?

The stud finder wall scanner can quickly find the edges and center of metal studs, pipes, rebar, joists behind walls, floors, and ceilings as well as the live AC wires.

Can a stud finder find metal?

Yes, magnetic stud finders can help you find nails or screws that have been driven into a stud. The trick with magnetic ones, though, is that they can detect any metal in the wall, whether it's driven into a stud or not.

Do stud finders detect pipes?

A stud-finder uses a sensor to locate wires or pipes behind the plasterboard. Place the stud-finder on the wall and press the activating button. Slowly slide it in one direction until the indicator light glows and there is a beeping sound. Most stud-finders will locate pipes and electrical cables as well as timber.

What Is A Stud Finder?

As mentioned above, a stud finder is a device used to locate studs in walls, the framing elements in your home that support the walls themselves. These devices are also known as stud detectors or stud sensors and come in various forms.

How Does A Stud Finder Work?

Now that you know about the various stud finders available to choose from, let’s have a look at how these work.

What is a magnetic stud finder?

As the name suggests, magnetic stud finders use magnets to find metal in the wall. But, there are also two types of magnetic stud finders, these are:

How to find studs with a stud finder?

Depending on the type of stud finder you choose, you’ll be able to find studs by running your device along your chosen surface or by placing it against it and letting it do the work for you.

How accurate are instant stud finders?

Last but not least, instant stud finders are by far the most accurate and effective types of devices. Not only can they locate the edges and the center thanks to their numerous sensors, they can also locate multiple studs at the same time.

What are the two types of stud finders?

That said, these all normally fall into two categories, magnetic and electric. Here is an explanation of the two:

How to use edge finder?

With an edge finder, you’ll receive a signal once your device locates the edge of a dense object. Mark this location with pencil and then use your stud finder from the opposite direction towards this mark.

What is a stud finder?

A stud finder is a small device used by builders and people doing D.I.Y to find where the beam or ‘stud’ behind a plasterboard wall is located.

Who invented the electric stud finder?

The electric stud finder was invented and developed by a man called Robert Franklin. He came up with the idea for using a capacitor plate to detect the density in things like walls in 1977.

What was used to poke holes in plasterboard?

Before its arrival, people used a nail to poke holes in the plasterboard until they found something sturdy behind it, a technique which took time, and often damaged the wall.

Can you tell the density of a stud behind a wall?

Some are able to detect not only the location, but also the strength and density of the stud behind the wall.

What is a stud finder?

Stud finders are simple to use and they come with useful features like magnets for nails, level indicators for accurate measurement, depth gauges so you can see how deep metals go, and can show parallel lines indicating roughly where studs are located.

How to tell if a stud finder is working?

Mark the spot with a pencil where the alert signal went off. If your stud finder is a multi-functional type and you’ve set it on finding metal, the signal or light flashes will indicate it found a metal underneath like nails, screws, or a metal pipe. Setting it on the stud, the alert signal will turn on when it finds a solid object underneath.

How deep can Stanley stud finder be?

Also presents an LCD screen that will clearly show you complete readings of what it detects, it can find studs and metal that is 3/4-inch deep. It can also detect AC up to 2 inches down the walls and is also packed with a OnePass center-find technology for easy finding the center of the studs. Its marking channels will also let you mark your spots easily. The only difference with this unit against the Stanley 300 is its front feature presentation but this model is best for DIYers and homeowners who want to hang stuff on walls.

What to do if stud finder doesn't detect metal?

Moisture is a conductive element and this can prevent the sensor from going through the wall. Let the wall go dry first .

Why do I hear a beeping sound when I move my stud finder?

So if your floor pieces go towards the north, move the stud finder towards the east because this is where the joists are likely to be aligned. And as it finds a joist, you will hear a beeping sound or a flash of lights as it detects dense objects considering your stud finder is a multi-functional gadget that is set to finding studs.

What does it mean when a stud finder is set on finding an AC wiring?

But if your stud finder is set on finding an AC wiring, it will set off a louder sound or the lights will flash faster indicating it detects the flow of current.

How far apart should studs be on a wall?

Keep in mind that studs are about 16 or 24 inches center apart.

What does a stud finder do?

When the stud finder alerts you to a stud—via a beep or flashing light, depending on the finder in question—retrace the last few inches with the unit, to double-check where the alert is occurring.

How do stud finders work?

Most stud finder apps use the magnetometer function built into smartphones to detect metal. Similar to a magnetic stud finder, a phone app pressed against a wall surface will alert you to areas where screws and other fasteners are situated behind drywall, mostly likely indicating stud locations.

Why does my stud finder beep?

Some stud finders can also detect voltage and will beep to alert the user of live wires behind drywall.

How to calibrate stud finder?

Turn it on. Usually, this is done with buttons mounted on the sides where you grip the tool. Now press a button to calibrate the stud finder; when the tool stops flashing or beeping, then it’s ready to go. (Check your manual for exactly how your stud finder is calibrated, as it varies.)

How to know where a stud is dead center?

If you’re using a center-finding stud finder, you’ll be shown where the edges of the studs are. Mark each edge so that, when you go to drill or hammer into the stud, you’ll know where dead center is.

How to find studs in a wall?

The best way to find studs in a wall is to use a density-reading stud finder. That way, you’ll be able to spot not only stud locations but also the center of a stud, which is important when mounting heavy objects on a wall.

How important is it to learn to use a stud finder?

Learning how to use a stud finder is an important skill for any homeowner. You’ll find it’s usefulness invaluable as you tackle a wide variety of DIY projects. Advertisement.

How to use stud finder?

Though the technology may sound complicated, electronic stud finders are easy to use: Simply place the tool flat against the wall and move it slowly in a horizontal fashion. When it detects a stud, it will emit an audible alarm and produce a visual indicator, depending on the specific model.

What are the advantages of a stud finder?

Stud finders with larger sensors have a few advantages, such as being able to cover a more expansive area and (sometimes) being able to penetrate thicker or more solid walls, such as plaster or concrete.

How to see studs on a wall?

Varying visual displays (electronic models only) give you some choice in how you want to “see” the stud. Some electronic stud finders let you preview a digital map of the stud beneath the wall on an LED screen, others feature LED lights across the top that blink when the finder is passed over a stud—both provide a reliable way to pinpoint a stud.

Why do stud finders beep?

Some stud finders beep to let the user know they’ve just recalibrated.

What is an electronic stud finder?

They feature either an LED screen or indicator lights that can pinpoint the edges of a stud and the exact center.

What is a multipurpose stud finder?

Electronic stud finders labeled “multipurpose” are designed to detect additional materials within the walls, such as live electrical wires and plastic pipes so that you don’t nail or cut into something that might be problematic.

How deep can a stud detector detect?

High-quality electronic stud detectors can detect studs located deeper in the wall than what a magnet can detect (up to 1-1/2 inches).

What is a Zircon Stud Finder?

The Zircon Stud Finder features a small, textured gripping area that fits comfortably in any hand.

How many stars does Stud Finder have?

This stud finder has an overall rating of 4.4 stars out of 5 stars from over 1,700 global reviews. Eighty-six percent of reviewers gave this product a 4- or 5-star rating, while 7% gave it 1 or 2 stars.

How many stars does the Tavool Stud Finder Wall Scanner have?

With close to 32,000 global reviews, the Tavool Stud Finder Wall Scanner has an average rating of 4.2 stars out of 5 stars. Overall, 78% of reviewers rated the scanner 4 or 5 stars, while 12% of customers awarded the product 1 or 2 stars.

How deep can a VIVREAL stud finder be?

However, its most notable mode is the metal mode that can detect metal up to 2.25 inches deep.

What is a Tavool stud scanner?

The Tavool Stud Finder Wall Scanner has four scanning modes designed to find studs, metals, and live cables at shallow, medium, and deep depths. This allows you to pinpoint the exact placement of items behind your walls.

What scanner can scan metal?

The VIVREAL Stud Finder Wall Scanner can scan metal deep in the wall.

How many sensors are in a Franklin stud finder?

Outfitted with an unprecedented 13 sensors, this Franklin Sensors stud finder is built for accuracy and reliability. It also has a built-in bubble level and ruler to make hanging objects from your walls easier.

Why use a stud finder?

That's why a stud finder is so crucial. All stud finders do the same basic thing, using either electronic sensors or magnets: they detect where support areas like studs and joists are inside the walls. All stud finders can detect wood, most detect metal, and many also detect live electrical wiring.

What is magnetic stud finder?

Magnetic stud finders are the old-school cousins of modern, more advanced electronic finders. Despite their simplicity, a good magnetic finder can be a great budget or additional option if you want something that will work without any batteries.

Why Trust The Spruce?

She has extensive experience not only in writing about all things related to the home but also in carrying out various DIY projects, including landscaping, painting, flooring, wallpapering, furniture makeovers, and simple repairs.

How does a finder work?

The finder uses powerful rare earth magnets to find metal studs and fasteners without any need for batteries. 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. A pointed arrow on the bottom will conveniently mark the safe spot for screws and nails, eliminating the need for trial-and-error while hanging pictures, frames, and other objects onto the walls.

How deep can a metal stud finder be?

It includes two scanning modes: StudScan for studs up to 0.75-inch deep and DeepScan for targets around 1.5-inches deep. The finder also includes the ability to detect live AC wires to avoid drilling into dangerous electrical hazards.

How to use a stud tool?

Use the device first to find hidden objects inside your wall, including studs, metal pipes, wooden support beams, and live AC wires. The device works on drywall, lathe, plaster, and concrete walls. Just depress the power button—you’ll need to keep it depressed with your thumb or finger while you work—slide the device across the wall in your targeted work area, and listen for a beep when the tool encounters a stud or other object inside the wall.

How to use bullseye to anchor?

On line function, the BullsEye beams a red laser line up to 20 feet horizontally in both directions, giving you plenty of assistance in properly aligning whatever it is you want to hang.

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