Here is what my hardwood flooring installer had to say when I got new flooring installed:

After 20+ years installing, sanding, and repairing hardwood floors, I can tell you this: some of the worst damage I see isn't caused by water or pets—it's caused by furniture legs. A beautiful hardwood floor can be permanently scarred in just a few months because someone skipped the $20 worth of furniture protectors.

The biggest misconception homeowners have is that "I'll just be careful." In reality, every time you slide a dining chair back, move a recliner, or shift a sofa to vacuum, you're dragging wood, metal, or plastic across one of the most expensive surfaces in your home. Even a tiny piece of grit trapped under a chair leg acts like sandpaper.

Here are the most common mistakes I see:

• Dining chairs without felt pads. These create hundreds of scratches every week.
• Heavy couches dragged instead of lifted.
• Furniture protectors that have worn through and expose the hard plastic underneath.
• Cheap adhesive felt pads that fall off after a few weeks.
• Chairs with missing glides so one exposed nail scratches every movement.
• Rolling office chairs used directly on hardwood floors.
• Furniture moved during holiday decorating without any protection underneath.

What furniture protectors actually do

Furniture protectors spread the weight of the furniture over a larger area while providing a soft surface that glides across the finish instead of digging into it. Quality felt pads also keep dirt from becoming trapped between the furniture leg and the floor.

The damage is often permanent

Many homeowners think scratches can simply be cleaned away. Unfortunately:

• Light scratches dull the finish.
• Medium scratches cut through the finish into the wood.
• Deep gouges require sanding, filling, or even replacing boards.
• Color-matched repairs are rarely invisible.

A repair that could cost hundreds—or even thousands—of dollars is often the result of skipping a few inexpensive felt pads.

My recommendations to every homeowner

1. Install premium wool felt protectors on every chair, table, and sofa.
2. Inspect them every 3–6 months.
3. Replace them as soon as they become dirty, compressed, or worn.
4. Clean the floor regularly so grit doesn't become trapped under the pads.
5. Lift heavy furniture whenever possible—never drag it.
6. Use a protective mat under rolling office chairs.

Pay special attention to dining chairs  

Dining chairs are responsible for more hardwood floor damage than almost any other piece of furniture because they're moved dozens of times every day. A family of four can slide chairs across the floor over 10,000 times in a single year.

A $20 investment protects a $20,000 floor

I've refinished countless hardwood floors where the homeowners said the same thing:

"I wish someone had told us to put felt pads under the furniture."

Furniture protectors are one of the least expensive investments you can make in your home, yet they can add years to the life of your hardwood floor and preserve its beauty.

As flooring professionals often tell customers, it's far easier—and far less expensive—to prevent scratches than to repair them. Once the wood is gouged, there's no furniture pad that can undo the damage.