Carpet-covered scratching posts are the default at most pet stores, but sisal and raw wood are increasingly recommended by cat behaviorists on both preference and training grounds. We tracked cat preference across all three materials over 6 weeks.
Why Sisal Tends to Win
Sisal's rough, resistant texture closely mimics tree bark — the natural surface cats are instinctively drawn to for claw maintenance and territory marking. Carpet's looped texture can also catch claws uncomfortably during the scratching motion, an aversive experience sisal doesn't produce.
6-Week Preference Results
| Material | Preference observed |
|---|---|
| Sisal rope | Most preferred |
| Raw wood | Well accepted, slightly behind sisal |
| Carpet | Least preferred, some claw-catching observed |
The Training Argument
A commonly cited concern among cat behaviorists: a carpet-covered scratching post may not clearly signal to a cat which carpet is acceptable to scratch versus household carpet elsewhere, since the texture is identical. A distinctly different material like sisal or wood creates a clearer behavioral distinction, potentially reducing furniture and carpet scratching around the house.
Durability Note
Sisal and raw wood are also genuinely durable, natural materials that hold up well to repeated scratching without the fraying and shedding fibers that worn carpet posts develop over time.
Verdict
Sisal is the strongest overall choice on both preference and behavioral-training grounds. Raw wood is a solid alternative if a cat doesn't take to sisal specifically. Carpet-covered posts are the least preferred option and may work against training a cat away from scratching household carpet.