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10 Best Stud Finder For Plaster Walls 2025 in the United States

#1

Winner

9.8 score

Stud Finder Wall Scanner - 5 in 1 Stud Finder Tool w/Intelligent Microprocessor Chip and HD LCD Display, Stud Detector Beam Finders for the Center and Edge of Wood AC Wire Metal Studs Joist Pipe

The stud finder wall scanner is an impressive tool for anyone involved in home improvement, especially if you need to locate studs, pipes, or electrical wires behind plaster walls. It stands out for its intelligent microprocessor which enhances accuracy and speed. This means you can quickly pinpoint the edges and center of wood studs, metal, and even live wires, reducing the time spent on home projects. The backlit LCD display is another highlight, making it easier to read in low-light conditions, and the audio alerts help guide you right to the spot without confusion.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Multi-Mode Detection
It has 5 scanning modes and is easy to operate, making it far superior to other stud finders.
Display and Indicators
The backlit screen is easy to read, and it’s a budget-friendly option that doesn’t break the bank.
#2
9.6 score

Franklin Sensors ProSensor M210 Stud Finder with 13-Sensors, Wood & Metal Stud Detector/Wall Scanner, Live Wire Detection

The Franklin Sensors ProSensor M210 stud finder is a solid choice for anyone looking to work with plaster walls, especially DIY enthusiasts and professionals. One of its standout features is its use of 13 sensors, which enhances accuracy in detecting both wood and metal studs. This means users can rely on the M210 to find studs with confidence, reducing the chances of drilling into the wrong spot.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Detection Depth
Worked on thick fire-resistant garage sheetrock and even scanned floor joists through 3/4" oak flooring over plywood subfloor.
Multi-Mode Detection
This unit worked well and identified every live wire in the areas of construction underway at my home as well as proved to be a great stud-finder as well.
Display and Indicators
Simple to operate and LEDs are bright. Shows edges and slower scanning reveals stud center with green indicator.
Calibration
Not only does it find the studs perfectly and let you know exactly where they're located and how thick they are, but it does so quickly and intuitively.
#3
9.4 score

Franklin Sensors ProSensor M150/X990 Stud Finder with Live Wire Detection and 9-Sensors, Wood & Metal Stud Detector/Wall Scanner, Made in The USA

The Franklin Sensors ProSensor M150 stud finder stands out in the category of tools for detecting studs in plaster walls, thanks to its unique features and user-friendly design. With nine sensors, it offers a high level of accuracy, allowing you to detect studs up to 1.5 inches deep. This is notably better than conventional models that typically use one or two sensors. The LED display is an excellent addition, showing both the center and edges of studs, which helps you clearly identify their locations and configurations. It also effectively scans through drywall and other materials, making it versatile for various home improvement tasks.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Multi-Mode Detection
Well-designed with excellent accuracy and the added bonus of electrical line detection.

Top 10 Best Stud Finder For Plaster Walls 2025 in the United States

CRAFTSMAN Stud Finder, 3/4-Inch Depth (CMHT77633)

Detection Depth: 3/4-inch
Sensor Type: edge detection
Display and Indicators: simple display
Calibration: required
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Buying Guide for the Best Stud Finder For Plaster Walls

Choosing the right stud finder for plaster walls can be a bit tricky, but with the right knowledge, you can find the perfect tool for your needs. Stud finders are essential for locating the wooden or metal studs behind your walls, which is crucial for securely hanging heavy items or performing renovations. Plaster walls, in particular, can be challenging because they often have a lath (a series of thin wooden strips) behind the plaster, which can interfere with the stud finder's readings. Here are the key specifications to consider when selecting a stud finder for plaster walls and how to navigate them to find the best fit for you.
Detection DepthDetection depth refers to how deep the stud finder can sense objects behind the wall surface. This is important because plaster walls are typically thicker than drywall and may have additional layers like lath. Detection depths can range from 0.5 inches to over 2 inches. For plaster walls, you should look for a stud finder with a detection depth of at least 1.5 inches to ensure it can accurately detect studs behind the plaster and lath. If you have particularly thick walls, opt for a model with a greater detection depth.
Sensor TypeStud finders come with different types of sensors, including magnetic and electronic. Magnetic stud finders detect the metal nails or screws in the studs, while electronic stud finders use sensors to detect changes in wall density. For plaster walls, electronic stud finders are generally more effective because they can better differentiate between the plaster, lath, and studs. Magnetic stud finders might struggle with the additional layers and may not provide accurate readings.
Multi-Mode DetectionMulti-mode detection refers to the stud finder's ability to detect various materials, such as wood, metal, and live electrical wires. This feature is important for plaster walls because it helps you avoid hitting electrical wires or metal lath, which can be present in older homes. Look for a stud finder that offers multiple detection modes and can switch between them easily. This versatility ensures you can safely and accurately locate studs without damaging other components within the wall.
Display and IndicatorsThe display and indicators on a stud finder provide visual and sometimes auditory cues about the location of studs. A clear, easy-to-read display is important for accurately interpreting the stud finder's readings. Some models offer LCD screens that show the exact location of the stud, while others use LED lights or audible beeps. For plaster walls, a stud finder with a detailed display can help you navigate the complexities of the wall structure more effectively. Choose a model with indicators that you find easy to understand and use.
CalibrationCalibration is the process of setting the stud finder to accurately detect the materials behind the wall. Proper calibration is crucial for plaster walls because of their uneven surfaces and varying densities. Some stud finders offer automatic calibration, which adjusts the settings for you, while others require manual calibration. Automatic calibration can be more convenient and user-friendly, especially for beginners. However, if you prefer more control over the settings, a manually calibrated model might be better suited to your needs.

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