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Floor cutter for cutting silicone joints and cement joints.

Cutting machines KARL DAHM
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Here you will find joint cutters for cutting joints. Floor cutter for silicone and cement joints. Now also joint cutters with quick release system. Floor and joint cutter for cutting joints. Multimaster for polishing and grinding of surfaces.

Angle Grinders & Concrete Grinders – Precise Grinding and Cutting Solutions for Tilers and Tradespeople

Angle grinders and concrete grinders are essential power tools for tilers and tradespeople who demand the highest precision and efficiency on construction sites or during interior finishing. These grinding devices enable clean cutting, powerful material removal, and precise smoothing of various materials, making them indispensable for professional processing of tiles, screed, concrete, and natural stone. In the Karl Dahm online shop, you'll find a selection of robust and high-performance grinding tools that simplify daily work and guarantee reliable results.


Advantages and Applications of Angle Grinders and Concrete Grinders

Angle grinders are true all-rounders, covering a wide range of applications thanks to their high rotational speeds and the ability to switch between different grinding discs. Whether cutting hard tiles, deburring edges, or working on metal and stone materials – they impress with flexibility and power. Concrete grinders are specialized for leveling and fine grinding hard surfaces like concrete and screed, making them indispensable for renovation work and floor preparation.
These tools significantly accelerate work processes, improve material adhesion, and ensure uniform surfaces, which is essential for durable and stable construction execution.


Common Challenges in the Trade and How Grinding Tools Help

  • In practice, tilers and tradespeople often face demanding challenges:
  • Irregular or hard materials that require precise and clean processing
  • Confined workspaces and hard-to-reach areas that require special handling
  • Dust generation and noise pollution that need to be safely and efficiently controlled
  • Fatigue from lengthy, physically demanding tasks
  • With the right angle grinders and concrete grinders, these problems can be effectively addressed. Ergonomic designs, vibration-damping handles, and extraction devices ensure comfortable and health-conscious working, even during extended use.

Relevance for the Daily Work of Tilers and Tradespeople

Whether in new construction, renovations, or refurbishments: angle grinders and concrete grinders are firmly established helpers in daily use. The high precision when cutting tiles, the rapid removal of old coatings, or the careful smoothing of floors are just a few examples that show how important these tools are for the quality and durability of work.
Thanks to their versatility and performance, they enable tradespeople to work more efficiently while meeting the high demands for aesthetics and stability.


Expertise from Karl Dahm – Trust Through Quality and Experience

Karl Dahm has stood for high-quality tools and comprehensive service for decades, especially for tilers and tradespeople. Our grinding tools are designed for practical use, robust, and durable – ideal for the demanding everyday life on construction sites. In addition to a wide product range, you benefit from expert advice from experienced professionals and fast, reliable shipping directly from Germany.
Trust in the expertise of Karl Dahm and secure tools that not only make your work easier but also enable sustainable results.


FAQ – Grout Cutters & Multimaster Tools 

What is a grout cutter used for in tile installation?

A grout cutter is used to precisely remove old or damaged grout without harming the surrounding tiles.

A grout cutter is an essential tool in tile installation and renovation. It removes old, moldy or damaged grout from between tiles in a clean and controlled way. Whether for bathroom renovations, tile replacement or removing cement or epoxy grout, a grout cutter ensures accuracy without damaging neighboring tiles. This creates a clean base for re-grouting and ensures long-lasting, hygienic tile surfaces.

When is using a Multimaster (oscillating multi-tool) beneficial?

A Multimaster is ideal for detailed tile work, trimming edges and working in hard-to-reach areas.

A Multimaster or oscillating multi-tool is perfect for precise and flexible work during tile installation or renovation. It is used for trimming skirting tiles, cutting tight tile joints, adjusting tile edges around doors or corners, and removing silicone or adhesive residue. Especially on renovation jobs, in bathrooms or kitchens, the Multimaster is a must-have tool for professionals and skilled DIYers needing accuracy and versatility.

How can dust be reduced when removing grout?

Dust can be minimized by using a grout cutter with vacuum connection or dust extraction attachment.

Removing grout creates fine dust that can be harmful to health and make the job site dirty. Many modern grout cutters and Multimaster tools are equipped with integrated dust extraction or can be connected directly to a vacuum cleaner. Special dust hoods capture dust at the source, keeping the workplace clean, improving visibility and protecting the user from respiratory irritation. This is especially important for indoor renovation and professional tiling work.

Which accessories are most recommended for grout cutters and Multimasters?

Diamond blades for cement grout, carbide blades for hard materials and special blades for silicone grout are recommended.

Choosing the right accessories is crucial for clean and efficient grout removal or tile cutting.
• Diamond cutting blades are perfect for hard cement or epoxy grout.
• Carbide blades are suitable for durable grout materials and rough removal tasks.
• Silicone removal blades/scrapers make removing elastic silicone joints easier.
• Sanding or polishing pads are ideal for finishing edges and fine surface work.
High-quality accessories not only improve the result but also increase tool durability and reduce working time – ideal for professional tilers.

Are these tools suitable for continuous professional use?

Yes, Karl Dahm grout cutters and Multimaster tools are designed for continuous use on professional job sites.

All grout cutters, Multiaster tools and accessories from Karl Dahm are designed for professional and long-term use. They feature powerful motors, robust construction and ergonomic handling to ensure high durability and precision even during daily use. These tools are ideal for tilers, craftsmen and renovation professionals who require reliable, long-lasting and high-performance equipment for continuous operation.


Contact Us
Phone: +49 8667 878-0
WhatsApp: +49 176 1000 16 16
Email: info@dahm-werkzeuge.de
Address: Karl Dahm & Partner GmbH, Ludwigstr. 5, 83358 Seebruck, Germany