New skis are not always completely flat and smooth from the factory. In the production process where skis are glued under pressure and heat, it can produce variations and unevenness in the surface. The first step in the grinding process is therefore to ensure that the skis are flat. New skis are always delivered with a factory grind, but it is not always that the skis go through the grinding machine at the factory enough times to get them sufficiently flat. On older skis, the sole becomes uneven after prolonged use. Many rounds of prep and the use of heat will also change the sole over time.
Benefits in the butter stall. With flat skis, you can work more efficiently when preparing. The grease iron reaches equally well on all parts of the sole so that the gliding products have their full effect. By using a grooving tool, you get an even structure embossed over the entire ski and not just the parts that stick up. A flat ski also reduces the chance of burning the sole on certain exposed uneven sections.
Do not do this at home. Ski sharpening requires special equipment, and is carried out by professionals with knowledge and experience.
«The aim of slip is to get a flat ski, bring out a fresh sole, remove any damage and get ready to set a structure that gives the best possible glide