Why Does My Runner Rug Curl at the Edges? Fix It
By Pappelina. High quality Swedish rugs | Published: 2026-10-17
Category: Tips & Care
Runner rug curling is common but fixable. Learn why edges curl, how to flatten them, and when to replace your rug for good.
Quick answer
Runner rug curling usually happens because of improper storage, humidity changes, or an uneven subfloor. For woven plastic rugs like Pappelina, the curling is often temporary and can be fixed by re-rolling in the opposite direction, applying gentle heat, or adding a rug pad. If the edges remain curled after these steps, the rug may have a permanent memory issue and should be replaced.
Why runner rug edges curl
Runner rugs curl at the edges mainly due to manufacturing tension, storage habits, or environmental shifts. When a rug is rolled tightly for shipping or storage, the material 'remembers' that curve and can take time to relax. Humidity and temperature changes can also cause the backing or weave to expand unevenly, lifting the edges. For plastic rugs like those from Pappelina, the woven PVC material is flexible but can develop a temporary curl if left rolled for long periods.
How to fix curling edges on a plastic runner rug
Start by unrolling the rug and laying it flat in a warm room. If the edges still curl, roll the rug tightly in the opposite direction of the curl and secure it with straps for 24–48 hours. This counter-roll technique helps retrain the material. For stubborn curls, place a heavy object like a stack of books on the curled edge for a few days. You can also use a hairdryer on low heat to gently warm the curled area, then press it flat with your hands—but avoid overheating plastic rugs, as excessive heat can damage the weave.
When to stop trying and replace the rug
If the curling persists after multiple flattening attempts and the rug is several years old, the material may have degraded or developed permanent memory. This is especially true for rugs stored in hot attics or damp basements. At that point, continued use can create a tripping hazard, and replacing the rug is the safer option. For newer rugs that still curl, check if your floor is uneven; a rug pad can help stabilize the rug and reduce edge lift.
Diagnosis: Is your runner rug curling fixable?
- Symptom: Edges of the runner rug lift up, creating a visible gap between the rug and the floor. The curl may be along the long sides or at the corners. Check if the curl is uniform or only on one side.
- Likely cause: The rug was stored rolled for a long time, or the room has high humidity. For plastic rugs, temperature changes can also cause the material to contract and curl. If the rug is new, try counter-rolling first. If old, check for material degradation.
- Corrective action: Roll the rug in the opposite direction and secure it for 24–48 hours. Alternatively, apply gentle heat with a hairdryer and press flat. Use a rug pad to add grip and weight. If the curl improves, continue using the rug. If not, move to the next step.
- Stop or replace: If the curl does not flatten after two attempts and the rug is a tripping hazard, replace it. For Pappelina rugs, consider a reversible design like VERA or a welded-edge model like VIVI for better long-term flatness. A curled rug that cannot be fixed is a safety risk. Replace it.
Products that stay flat and perform well
- VERA Granit - Runner Rug: The distinctive circle pattern gives VERA its iconic expression. With its reversible design, the rug offers two looks in one, adding flexibility and new possibilities to your interior. Reversible rugs like VERA can be flipped if one side develops a memory curl, giving you a fresh flat surface without buying a new rug.
- VIVI Black - Runner Rug: VIVI is defined by a bold zigzag pattern with clear references to mid century design. Finished with welded edges, VIVI has a clean and durable construction that supports its graphic expression. Welded edges help prevent fraying and curling at the borders, making VIVI a good choice for high-traffic runner placements where edge lift is common.
- MONO Blue Fog - Runner Rug: MONO is defined by simplicity and refined design. Its slightly softer weave makes this rug even more comfortable to walk on. The softer weave of MONO reduces stiffness, which can minimize the tendency for edges to curl, especially on hard floors.
