Manufacturer · Fashion & Home Accessories
Hook and loop tape usually stops sticking for three reasons: the hooks are clogged with lint and hair, the loops on the soft side are matted or worn, or the hooks have been flattened by heat. Less often, the problem lies in the design – too small an area, incompatible parts or tape that is loaded in peel instead of shear. Cleaning solves the first case; when the tape is worn, it is replaced.
How the grip works
The hook side has thousands of tiny hooks made of synthetic monofilament, and the loop side has dense loops. When pressed together, the hooks enter the loops and catch. The grip depends on three things: the hooks must stand upright, the loops must be lofty and free, and the contact area must be sufficient. When any of the three is missing, the hook and loop does not hold.
Reasons why hook and loop stops sticking
1. Lint, hair and dust in the hooks
The most common cause. The hook side collects fibres from clothes, pet hair and dust. They fill the space between the hooks and block them. The tape looks intact but does not catch.
2. Matted or worn loops
With repeated fastening and washing, the loops on the soft side tear or mat. The surface becomes flat and shiny, with no loft. This is normal wear and affects every tape over time.
3. Flattened or melted hooks
High temperatures during drying or ironing deform the synthetic hooks. They bend or flatten and can no longer catch. This damage is irreversible.
4. Incompatible parts
If the hook and loop sides are of different types or from different manufacturers, the hooks may not match the size of the loops. A typical example is a hook tape with very fine hooks combined with a loop side with coarse loops.
5. Insufficient area
A narrow tape or little overlap simply does not bring enough hooks into contact. The tape holds, but opens under the first load.
6. Peel loading
Hook and loop is strong when the two parts are pulled parallel to each other and weak when one is lifted from a corner. If the design makes the tape peel apart during movement, it will come undone even when new.
7. Self-adhesive hook and loop coming off
With self-adhesive tapes, it is often not the fastening that opens but the adhesive that lets go. The causes are an unsuitable surface, dust, grease, heat or moisture.
How to restore the grip
| Problem | Solution |
|---|---|
| Lint in the hooks | Clean with a comb, brush and tweezers |
| Matted loops | Gently brush to restore loft |
| Flattened hooks | Replace the hook side |
| Incompatible parts | Replace with a set of one type |
| Small area | Wider tape or longer overlap |
| Adhesive let go | Clean and degrease the surface, or sew on |
Cleaning step by step
- Brush the hook side with a fine-toothed comb or a toothbrush along the rows of hooks.
- Use tweezers to pull out longer hairs and threads.
- Remove the remaining lint with a lint roller.
- Brush the loop side with a soft brush to lift the loops.
- Close and test the grip.
Do not use sharp objects – a knife or needle cuts the hooks and makes the problem worse.
When to replace the tape
If, after cleaning, the hook and loop still does not stick, the hooks or loops are worn. Replacement is easy: unpick the old tape, remove the thread remnants and sew on a new tape of the same width. It is usually best to replace both sides at the same time, because a worn loop side will quickly wear out the new hooks too. How to do it is described in our article on how to sew on hook and loop.
How manufacturers prevent the problem
- they choose a width and area with a margin, not the minimum;
- they place the loop side where the tape stays open;
- they design the fastening to work in shear while the item is worn;
- they add "Close the hook and loop before washing" to the care instructions;
- they use both sides of the same type and from the same supplier;
- they choose a more wear-resistant backing for items that are fastened frequently.
Moisture, cold and dirt
The grip can temporarily weaken when the tape is wet or has mud, sand or snow in it. This is typical of footwear and outdoor gear. Usually the strength returns after drying and shaking out the grains of sand. Salt and sand, however, wear the hooks faster, so for beach and winter products regular rinsing extends the life of the tape.
How to choose a new tape
When replacing a tape, do not automatically copy the old one. If it wore out quickly, choose a wider tape, a stronger backing or two sides of the same type. If the item is washed often, pay attention to wash resistance, and if it is in contact with the skin, to the softness of the loop side.
Testing before production
For a new style, do a simple test: fasten and unfasten the sample many times, wash it several times together with typical garments and check the grip. If the strength drops visibly, change the type of tape or increase the area. You will find suitable tapes in various widths in our hook and loop category, and other fastenings in haberdashery.
Hook and loop from Polkom
Polkom is a manufacturer and wholesale supplier of garment accessories based in Sofia with over three decades of experience. We supply hook and loop tape in widths from 5 to 100 mm, with both sides of the same type, separately or as a set. If you have a grip problem with a product, send a description or a sample via our inquiry form and we will suggest a suitable solution.
