Insulation Knife

The F. HERDER insulation knife is your specialised tool for clean and efficient cuts through a wide variety of insulating materials. With its long, serrated blade of 21 cm length, it glides effortlessly through materials such as polystyrene, mineral wool, foam, or cardboard. This knife is an indispensable companion for tradespeople, DIY enthusiasts, and anyone working in construction and renovation who requires precise insulation cuts.

The blade of the insulation knife is crafted from stainless 4034 steel, which offers high corrosion resistance and durability. With a hardness of 56-57 HRC, the serrated edge retains its sharpness over a long time, even under intensive use. The special serration is designed to cut cleanly through fibrous and soft materials without tearing or snagging them, leading to professional work results.

The robust polypropylene handle provides you with a secure and non-slip grip, even when working with gloves or when hands are damp. With an overall length of 35 cm, the knife is well-balanced and enables comfortable, controlled handling. Manufacturing in Solingen provides you with the customary F. HERDER quality based on centuries of experience in knifemaking.

This insulation knife is ideal for use on construction sites, in workshops, or during renovation projects. It is perfectly suited for cutting insulation boards to size, fitting insulation into cavities, or cutting packaging materials. It is a precise tool that helps you minimise material waste and ensures an efficient way of working.

Trust in the quality and tradition of F. HERDER Solingen. Since 1727, we have stood for high-grade knives that withstand the demands of daily use. The insulation knife is yet another example of our expertise in the manufacture of specialised tools – Made in Germany, for professional standards and long-lasting performance.