Koch Chemie The Finisher RoughCut - Extra Strong Coarse Paste for Gelcoat and Boat Paint 250ml

Koch Chemie The Finisher RoughCut – extra strong abrasive paste for gelcoat and boat paint

Koch Chemie The Finisher RoughCut is a professional heavy-cut polishing paste designed for quick and effective removal of deep scratches, heavy oxidation, and significant damage on gelcoat and painted boat surfaces. Thanks to its high abrasive power, it is an ideal solution for the first phase of surface renovation, restoring the original appearance of the material.

The product is designed for use in demanding conditions of the marine industry and is suitable for professionals as well as advanced users. It effectively removes weathered layers, dullness, and deep defects without unnecessary surface stress.

Main features

• Extra strong abrasive paste (heavy cut) for heavily damaged surfaces
• Removes deep scratches, oxidation, and graying
• Designed for gelcoat and painted boat surfaces
• Ideal as the first step of a multi-stage polishing process
• Prepares the surface for subsequent fine polishing

Areas of use

RoughCut is suitable for renovation of gelcoat and painted boat surfaces, especially in cases of:

• heavy oxidation and surface weathering
• deep scratches and mechanical damage
• dull and grayed gelcoat

Instructions for use:

1. Apply an appropriate amount of paste to the polishing pad (a coarse or medium-hard pad is recommended)
2. work using a rotary or dual-action polisher.
3. Process in smaller sections until defects are removed.
4. Then it is recommended to use a finer polishing paste to achieve a high gloss.

Product benefits

• High cutting ability – fast removal of even significant defects
• Effective surface renovation – restores the appearance of gelcoat and paint
• Optimized base for final polishing – prepares the surface for perfect shine

FAQ

Is RoughCut also suitable for regular car paints?
The product is primarily intended for gelcoat and boat paints but can also be used on harder painted surfaces where high abrasive power is needed.

Is an additional step necessary after this paste?
Yes, RoughCut is intended as the first polishing step. To achieve a high gloss, it is recommended to use a finer polishing paste.

Does it remove oxidation?
Yes, the paste is designed to effectively remove heavy oxidation and weathered layers from the surface.

What type of polishing pad should be used?
For maximum effect, it is recommended to use a coarse or medium-hard polishing pad depending on the degree of surface damage.