How to Use Hook & Loop Sanding Rolls on Curved Surfaces

By Supergrit Abrasives | Published: 2026-10-22

Category: How-to Guides

Learn how to sand curved surfaces with flexible hook and loop rolls, including grit selection, technique, and common mistakes to avoid.

Quick Answer

Use a flexible hook and loop sanding roll, like the Mirka Jepuflex roll, to sand curved surfaces by cutting a strip, attaching it to a soft backup pad, and working with light pressure in the direction of the curve.

Why Hook & Loop Rolls Work on Curves

Sanding curved surfaces with rigid discs often leaves flat spots or uneven material removal. A hook and loop sanding roll is flexible and can conform to contours, making it ideal for curved surfaces.

The Mirka Jepuflex roll is a red hook and loop roll that comes in a range of grits, from coarse to fine, and is available in 1-yard or 25-yard lengths. You can cut the exact size you need, reducing waste and giving you control over the sanding area.

Choosing the Right Grit for Your Project

The grit you choose depends on the material and the level of sanding required. For heavy material removal on curves, start with a coarse grit like 40 or 60. For smoothing and finishing, use finer grits like 100, 120E, or 150E.

Having multiple grits on hand allows you to progress through the sanding stages without switching tools. The Jepuflex roll's hook and loop backing makes changing grits quick and easy.

Step-by-Step Guide to Sanding Curves

Select the Right Grit and Cut the Roll: Choose a grit that matches your task (coarse for shaping, fine for finishing). Cut a piece of the hook and loop roll slightly larger than the area you need to sand, ensuring it covers the curve without excessive overlap. A common mistake is cutting too small a piece, which can cause the roll to lift or miss areas. Always cut a bit larger than needed.
Attach to a Soft Backup Pad: Attach the cut piece to a soft backup pad that matches the hook and loop system. The soft pad allows the abrasive to conform to the curve, preventing flat spots. Using a rigid pad defeats the purpose of the flexible roll. Ensure your backup pad is soft and flexible.
Sand with Light Pressure and Follow the Contour: Place the pad on the curve and sand with light, even pressure. Move in the direction of the curve, letting the abrasive do the work. Avoid pressing hard, as this can cause uneven wear and damage the surface. Pressing too hard is a common mistake that leads to gouging or over-sanding. Keep the pressure light and let the abrasive cut.
Progress Through Grits for a Smooth Finish: Start with a coarse grit to remove material, then switch to finer grits (e.g., 100, 120E, 150E) to smooth the surface. Wipe away dust between grit changes to avoid contamination. Skipping grits can leave scratches that are hard to remove. Always progress systematically from coarse to fine.

Product Fact

6" RED HOOK & LOOP (MIRKA JEPUFLEX) ROLL: This 6" red hook and loop roll is available in grits 40, 60, 80, 100, 120E, and 150E, and in 1-yard or 25-yard quantities. You can select the right grit for your curved surface project and buy only the length you need, whether it's a single repair or a large production run.
6" RED HOOK & LOOP (MIRKA JEPUFLEX) ROLL