Types of cat scratchers: why cardboard or sisal is the wrong question

Cardboard or sisal? That's the wrong question. When you compare types of cat scratchers, material comes third, well behind two criteria that hardly any guide highlights: height and placement. A high-end sisal post in a closed bedroom will never get used; a simple 50 cm corrugated cardboard scratcher set against the sofa can solve the problem within a month. Here's why, and how to choose in the right order.

Your cat doesn't scratch to sharpen their claws

This is the misunderstanding that leads people to buy the wrong scratcher. A scratching cat isn't sharpening weapons: they're doing three things at once, and each places a different demand on the object they choose.

They stretch. Scratching is first and foremost a full-body muscular movement: the front paws hook in, the back tenses, the shoulders and spine stretch along their whole length. It's a warm-up, much like what a cat does on waking. This function calls for height.

They mark their territory. Claws leave a visible mark, and the interdigital glands between the paw pads leave scent secretions as they go. So scratching is a message, meant for other cats as well as for themselves. A message is left where it will be seen: on a well-used route, at eye level, never tucked away in a corner. This function calls for the right placement.

They look after their claws. A cat's claws grow in successive layers; scratching sheds the dead outer sheath. It's the only one of the three functions that really depends on material — and the least demanding, because plenty of surfaces do the job.

Remember the order: height, placement, material. A scratcher that fails on the first two won't be saved by the third.

The first criterion is height

Here's the simplest explanation for why your cat ignores their scratcher and keeps attacking the arm of the sofa: the scratcher doesn't let them stretch out fully.

An average-sized adult cat, up on their hind legs and fully stretched, reaches between 45 and 60 cm with their front paws. A 30 cm scratcher forces them to hunch up: they get the claw care, but not the stretch. The arm of a sofa, on the other hand, is usually 60 to 70 cm high and allows the full movement. Your cat's choice is no whim — it's ergonomics.

How to measure your cat in three minutes

1. Wait until they stretch of their own accord against a wall or a piece of furniture, which nearly always happens when they wake up.
2. Discreetly pencil a mark at the highest point their front paws reach.
3. Measure from the floor to that mark. That's your minimum height.

In practice, 50 cm is the threshold that solves most situations for an adult cat. Below 40 cm, a vertical scratcher won't replace a sofa, whatever it's made of. Above 60 cm, you cover even the large breeds — Maine Coon, Norwegian Forest Cat, Siberian.

A word on stability, since it follows from height: the taller a scratcher, the more it needs to be weighted or wide at the base. A scratcher that topples over just once is a scratcher abandoned for good. Your cat links the object with a nasty surprise, and doesn't come back.

The second criterion is placement

Scratching doesn't happen at just any time. It follows three specific moments in a cat's day, and knowing those moments tells you exactly where to put the object.

On waking. This is the peak. A cat coming out of sleep stretches, and if there's a surface to scratch under their paw at that moment, they'll use it. That's why a scratcher placed next to their bed is adopted much faster than one placed “somewhere in the living room”.

When you come home. Scratching also marks excitement and the return to activity. A scratcher near the front door captures that moment — and steers scratches away from the door frame at the same time.

Before meals. Less systematic, but common in cats who ask for food.

On the other hand, three places almost always fail: a room whose door is often shut, an out-of-the-way corner your cat never passes, and the back of a piece of furniture where nobody will see the marks. Remember that scratching is marking: a hidden message doesn't do its job.

The subject deserves a closer look — we've gone through it spot by spot in where to put a scratching post.

How to move the habit away from the sofa

This is the step most guides skip, yet it's the one that decides everything. Putting a scratcher at the other end of the room and hoping your cat changes habits doesn't work: you have to transfer the behaviour, not move it in one go.

1. Week 1 — contact. Place the scratcher right against the scratched area, touching it. Don't protect anything yet, don't say anything. The aim is for it to become an alternative available in the same spot, not a competing object.
2. Week 2 — appeal. A single sprinkle of catnip on the surface, and a play session that ends against the scratcher. A cat who has just caught their prey tends to scratch straight afterwards.
3. Week 3 — temporary protection. Only now, make the sofa area less pleasant: a throw pulled tight, a corner protector. Your cat now has an alternative right within reach, which changes everything compared with protection put in place on day one.
4. Week 4 onwards — moving away. Move the scratcher 10 cm a week towards its final spot. If your cat goes back to the sofa, you've gone too fast: move it back to the previous position and wait another week.

Allow three to six weeks for a stable transfer. That's longer than a repellent, but a repellent stops working as soon as you stop applying it, whereas a habit that has been moved sticks. The full method, special cases included, is in our guide to a cat scratching the sofa.

A scratcher right where they wake up
They sleep on the sloping bed and scratch on its side: the scratching surface is under their paws as they wake, at the very moment they stretch. Discover the scratcher lounger →

Material only comes third

Once height and placement are sorted, material becomes a matter of comfort and budget, not a deciding factor. Here's what really sets the options apart.

Two points that comparison guides forget. First, carpet creates a teaching problem: it's too much like what you want to protect. A cat who learns to scratch carpet has no reason to tell the scratcher apart from the living-room rug. Second, cardboard isn't the “budget” option people take it for: it's simply meant to be used up. It wears out because it works.

If you're choosing the covering for a cat tree rather than a standalone scratcher, the comparison is different — we've covered it separately in sisal or carpet for a cat tree.

Vertical or horizontal?

The answer lies in what your cat already scratches at home. If they go for the arm of the sofa, the door frame or the wall, they're a vertical scratcher: they want the stretch, and a model lying on the floor won't satisfy them. If they scratch the rug, the bedside mat or the doormat, they're a horizontal scratcher: they want to mark a surface they walk across, and a flat scratcher will suit them very well. Our sisal scratching mat is one of these: it lies flat on the floor, comes in four sizes, and only the M is measured by the supplier, at 40 × 60 cm.

Many cats do both. If your budget allows, a tall vertical post plus a flat one on the floor covers every case. If you can only get one, get the vertical one: it's the one that replaces the sofa.

Other types of scratcher: corner and wall-mounted

Two formats usefully complement a main scratcher without replacing it. A corner scratcher wraps around the corner of a wall or a piece of furniture: it makes sense when your cat goes specifically for an edge, which is common on door frames and sofa corners. A wall-mounted scratcher, fixed up high, frees up the floor and suits small homes — but it needs solid fixing, because a scratcher that moves when pulled is abandoned straight away.

Neither of them does away with the need for a main scratcher that's tall enough: they answer a local habit, not the daily need to stretch.

Kittens

Kittens start scratching very early, often before three months, and it's the best time to steer the behaviour: they don't yet have a habit set on a piece of furniture. Two mistakes are common at this age.

The first is buying a small “kitten” scratcher. It will fit for a few months, then become too low at exactly the moment your cat starts stretching properly — and that's when they'll switch to the sofa. An adult 50 cm scratcher works from day one: your kitten will climb it, which is exactly what you want.

The second is carrying them to the scratcher or putting their paws on it. It always has the opposite effect: the object becomes linked with being made to do something. Let them discover it, and reward them when they use it on their own.

How many scratchers do you need?

The commonly accepted rule is one per cat, plus one. Two cats, three scratchers. It's not about selling more but about territorial marking: a scratcher is a landmark, and two cats sharing a single landmark end up fighting over it.

Add a rule about distribution: one scratcher per living area. If your home has an upstairs, a scratcher downstairs doesn't cover the upper floor. A cat won't cross the flat to stretch on waking — they use what's within reach, and what's within reach might be your armchair.

What we recommend, and why

Our two scratchers each answer one of the two situations described above.

If your cat goes for the sofa or the doors, you need height. Our corrugated cardboard scratcher house stands 50 cm tall: a house shaped like a milk carton, 31 × 33 cm at the base, whose walls they scratch and where they can hide. It's the model to place against the area they already scratch.

If your cat mostly scratches on waking, placement is what decides, and the simplest solution is to combine the two objects. Our scratcher lounger is a sloped bed whose side is a scratching surface: your cat finds the material under their paw at the exact moment they stretch, without having to cross the room. Its mat can be replaced when it wears out; the wooden frame stays.

Either way, the rule holds: put it in the right place first, check the height, and let the material do the rest.

Frequently asked questions

How long does a cardboard scratcher last?

It depends entirely on the cat: from a few months to more than a year. A cat who scratches a lot wears through one side in a few weeks — a sign that the scratcher works, not that it's poor quality. Flip it over to use the other side.

My cat has never used their scratcher. Is it too late?

No. In the vast majority of cases, it's not a question of age but of placement or height. Go back through the diagnosis in order: is it tall enough? Is it where your cat already scratches? We've detailed the approach in my cat won't use their scratching post.

Should I put catnip on it?

Just once, when you set it up, to draw attention to the object. Adding more regularly is pointless: what keeps your cat using it is the scent they leave on it themselves by scratching. Note too that around a third of cats don't respond to catnip — it's genetic.

What about declawing?

Declawing is banned in France, except on medical grounds, under the European Convention for the Protection of Pet Animals, which France has ratified. It isn't a nail trim but the amputation of the last toe bone, with lasting effects on walking, balance and behaviour. Rules vary from country to country, so check what applies where you live. The right answer to scratching is a suitable scratcher, not surgery.

Can I trim my cat's claws instead?

Trimming the clear tip of the claws reduces damage, but doesn't remove the need to scratch — stretching and marking remain. It's a useful extra, never a substitute.

My cat only scratches when I'm not there.

This pattern points to marking linked to your absence rather than simple claw care. A scratcher is still needed, but you have to look at the whole environment: things to do, high vantage points, regular mealtimes. We've rounded up what helps in keeping a cat happy in a flat.