Travertine is beautiful, cool underfoot, and a favorite for patios and pool decks. One of the most common questions we hear is:

“Can I fill the holes in my outdoor travertine?”

The short answer: yes, you can—but we don’t recommend it. Here’s why.

Why Does Outdoor Travertine Have Holes?

Travertine is a type of limestone formed naturally with air and water pockets. When it’s cut into tiles, those pockets are exposed as pits or voids. These aren’t defects—they’re part of the stone’s natural character and actually improve traction underfoot.

What Happens if You Fill the Holes?

Indoors, filling can make sense. But outdoors, filling usually leads to problems:

• Discoloration – fillers weather differently in sun, rain, and pool water.

• Maintenance – they often pop out in freeze–thaw cycles.

• Safety – filling reduces the stone’s natural texture, making wet surfaces more slippery.

What Should You Do Instead of Filling Travertine Holes?

The best way to keep outdoor travertine looking good is through proper care, not filler. We recommend:

• Deep cleaning to remove dirt, algae, and buildup from the pores.

• Correct joint sand (for sand-set systems) for stability and drainage.

• Water-based penetrating sealer to enhance color, protect against stains, and preserve traction.

Will Sealing Travertine Make It Slippery?

Not if the right product is used. A penetrating sealer soaks into the stone instead of forming a film on top. It protects the surface while keeping the natural, slip-resistant texture.

Is It Ever Okay to Spot-Fill Outdoor Travertine?

Technically, yes—you can fill larger pits. But expect ongoing maintenance, color mismatch, and patches that pop out over time. Most homeowners are happier embracing the natural look outdoors.

Professional Help for Travertine in Ohio, Florida, Indiana and Georgia

If your travertine is looking tired, uneven, or discolored, professional cleaning and sealing is the safest way to restore it. Perfect Paver Co. specializes in paver and natural stone care across Ohio, Indiana, Georgia, and Florida.

Ready to restore your travertine? [Request a consultation today].