Yes, you should. There are mainly three reasons. First, a great mat for treadmill for home will protect both your floor and treadmill and also can reduce noise and vibration, protecting the treadmill from dirt and dust. Without doubt, no matter how often you clean the carpet or floor, there always have dust on it, walking and running will disturb all these particles, and then particles will float into the treadmill, which can damage the belt, rollers, and motor, that's why a mat can protect treadmill well.
Second, a mat also protects the carpet greatly. As we all know, the usage of a hard object will leave some prints on the carpet, just like a couch and bed, while with a mat, things will change, your sport can't affect the carpet at all.
Third, if there is a deep pile of carpet in your home, the mat can push the fluff down, and offer good ventilation in the surrounding, which is quite important to prevent the treadmill motor overheat, and prolong its service life.
Considering these three aspects, you should have a mat under the treadmill.
Made of environment-friendly PVC material, the WalkingPad treadmill mat is put under the best treadmills for running and mainly used to protect the floor and treadmill. It holds many advantages, sweatproof, moisture-proof, non-slip, easy clean, and so on. The mat also can be used for many occasions and equipment.
This mat is 3mm, isn't too thin or too thick, suitable to offer great cushioning ability and a strong grip.