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What is a drywall sander, how they work and how to use them ?

Posted by Scheppach UK on 8th Sep 2024

Sheppach UK Guides |  Drywall Sanders

What is a drywall sander? 

A drywall sander is a tool used in construction and renovation projects to smooth and finish drywall surfaces. Drywall, also known as gypsum board or plasterboard, is commonly used for interior walls and ceilings. During installation or repair, joints, seams, and imperfections are covered with joint compound or filler, which must be sanded down for a smooth and even finish. This is where a drywall sander comes into play.

The primary purpose of a drywall sander is to save time and effort compared to traditional hand sanding methods, which can be labour-intensive and lead to inconsistent results. Drywall sanders are especially useful for larger surfaces, such as entire walls or ceilings, where efficiency is crucial.

How does a drywall sander work ?

Motor and Power Source:

Drywall sanders are typically powered by electricity, with an internal motor driving the sanding mechanism.


Sanding Discs or Pads:

The sanding head at the bottom holds sanding discs or pads made of abrasive materials like sandpaper or abrasive mesh.


Adjustable Handle and Head:

These sanders usually feature an extendable handle for reaching high areas like ceilings. The sanding head is attached to a swivelling joint, enabling it to pivot and maintain constant contact with the surface, even when held at different angles.


Dust Collection System:

A key feature of drywall sanders is the integrated dust collection system. As the sander operates, it generates a significant amount of dust, which is sucked up by a vacuum or dust collection bag, minimizing mess and improving air quality.


Variable Speed Control:

Many drywall sanders come with adjustable speed settings, allowing the user to control the sanding speed based on the type of surface and the amount of material to be removed.


How to use a drywall sander:


  1. Plug in the sander and turn it on.

  2. Adjust the speed setting, if available.

  3. Hold the handle and guide the sanding head over the drywall surface that needs smoothing. The sanding head will rotate, and the discs will abrade the surface.

  4. Move the sander in a back-and-forth or circular motion, overlapping each pass slightly to ensure even sanding.

  5. The dust collection system will gather the majority of the dust, but some fine particles may still escape, so wearing appropriate respiratory protection is recommended.

  6. Once the desired level of smoothness is achieved, turn off the sander and clean up any remaining dust.

Drywall sanders are effective tools for achieving professional-looking results in drywall finishing, reducing physical strain on the user, and maintaining a cleaner working environment.

Discover Scheppach Drywall Sanders

The Scheppach DS920X Wall and Ceiling Sander is a versatile, lightweight tool designed for efficient overhead sanding of walls, ceilings, and floors, ideal for removing paint, glue, plaster, and wallpaper. 


Featuring an adjustable telescopic pole, a tiltable 215mm diameter sanding disk, variable speed control, and an integrated dust extraction system, it offers optimal surface coverage and user convenience. Weighing just under 5kg with multiple grip options, the DS920X minimises arm fatigue, making it perfect for prolonged use. Complete with an LED lamp, 4m extraction hose, and 6 sandpapers, it is the ultimate tool for a clean and precise finish on any construction site.

Read more >

The Scheppach DS930 Tri-Angle Telescopic Wall and Ceiling Sander is a versatile, lightweight tool designed for efficient sanding of ceilings, sloped roofs, and walls. 


With a unique interchangeable head system featuring both round and triangular sanding heads, adjustable telescopic handle, customisable speed control, and an integrated dust extraction system, the DS930 provides optimal performance and comfort for extended use. Equipped with a powerful 710W motor, multiple grip options, and 24 included sanding discs, this sander is ideal for removing paint, adhesive, plaster, and preparing surfaces for a fresh finish, ensuring a clean and smooth result every time. Read more >

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