Filled vs Unfilled Travertine: Finishes Explained
Filled travertine has its natural pits packed with a color-matched filler at the factory, giving a smooth, continuous surface. Unfilled travertine leaves the pits open, giving a textured, rustic one. Choose filled for interior floors, kitchens and bathrooms, where a smooth surface is easier to clean. Choose unfilled for tumbled, aged looks and for outdoor paving.
Filled or unfilled is only half the description. The other half is the surface finish: honed, polished, tumbled or brushed. A product name such as "filled and honed" or "unfilled and tumbled" answers both questions at once.
Why travertine has holes
Travertine is a limestone deposited by mineral springs. As the stone forms, gas bubbles and organic matter such as bacteria and algae are trapped in it. The gas escapes and the organic matter decays, leaving voids. The holes are part of the stone, not damage, and they occur throughout its thickness. Cutting a block exposes a new set of them on every face.
That is the reason the filled or unfilled question exists for travertine and not for marble.
The holes are part of the stone, not damage, and they occur throughout its thickness.
Filled vs unfilled
| Filled | Unfilled | |
|---|---|---|
| Surface | Smooth and continuous | Open pits and texture |
| What fills the pits | Color-matched cement or resin filler, applied at the factory | Nothing at the factory; grout during installation, or left open outdoors |
| Look | Refined, even | Rustic, aged |
| Cleaning | Easy; nothing for dirt to lodge in | Pits hold dirt unless grouted |
| Usual finishes | Honed or polished | Tumbled, or brushed with a chiseled edge |
| Best suited to | Interior floors, kitchens, bathrooms, shower walls | Backsplashes, rustic floors, patios, pool decks |
Unfilled is rarely left open indoors
When unfilled travertine is grouted, the grout fills the pits on the face of the tile as well as the joints. That means the grout color becomes part of the stone's appearance, so choose it with a sample in hand. Our guide to choosing grout color covers the options.
Filler is not permanent
Over years of traffic, a small pocket of filler can come loose, or a thin skin of stone over a hidden void can break through. This is ordinary maintenance. The hole is cleaned out and refilled with grout or a color-matched filler.
The surface finishes
Honed
Usually filled
Ground smooth with a matte to soft satin face and straight edges. Almost always filled. This is the standard interior travertine floor: flat, easy to clean and calm in color. Ivory travertine 18x18 filled and honed is a typical example.
Polished
Filled, for interiors
Taken further to a reflective gloss, which deepens the color. Almost always filled. Polished travertine is an interior, low-traffic finish. It is slippery when wet and shows etching clearly, so keep it off bathroom floors and away from pools.
Tumbled
Usually unfilled
Tiles are tumbled with abrasives until the edges and corners round over and the face turns soft and matte. Usually unfilled. The result looks old from the day it is laid. Silver travertine 12x12 unfilled and tumbled shows the character. Tumbled travertine is the usual finish for pavers and pool coping.
Brushed and chiseled
Textured face, chipped edge
The face is brushed with abrasive bristles to a lightly textured, low-sheen surface, and the edges are chipped to an irregular line. It sits between honed and tumbled: flatter and more even than tumbled, with more texture than honed. It is common in French pattern sets.
Split face
Walls only
Stone that is split rather than sawn, leaving a rough, three-dimensional face. Used for wall cladding and stacked mosaics, never for floors.
Cross cut and vein cut
A third variable is the direction of the cut.
Cross cut
Cross cut slices the block parallel to its natural layers. The face shows a soft, cloudy pattern with rounded pits. Most travertine tile is cross cut.
Vein cut
Vein cut slices across the layers, exposing them as long, parallel bands. The look is linear and more formal. Silver travertine 12x24 vein cut honed is the clearest way to see the difference.
Which finish for which room
| Location | Recommended | Avoid |
|---|---|---|
| Living areas and hallways | Filled and honed; brushed and chiseled | Polished in busy areas |
| Kitchen floor | Filled and honed | Unfilled left open |
| Kitchen backsplash | Tumbled, grouted; filled and honed | |
| Bathroom floor | Filled and honed | Polished |
| Shower walls | Filled and honed | Split face in the spray zone |
| Shower floor | Honed and filled mosaic | Unfilled tumbled; polished |
| Covered patio | Tumbled; brushed and chiseled | Polished; honed where it gets wet |
| Pool deck | Tumbled 3 cm pavers | Honed or polished |
What every travertine finish has in common
Acids etch all of them
Travertine is calcium carbonate. Vinegar, citrus, wine and acidic cleaners dull the surface on contact, whatever the finish. Use a pH-neutral cleaner.
Sealing helps with stains, not etching
We recommend a penetrating sealer on all travertine, before and after grouting. A sealer repels liquids. It does not make stone stain-proof and it does not stop etching.
Outdoors, check the product
Not every travertine tile is suited to exterior use, and thin tile outside must be bonded to a slab. In regions that freeze, be cautious: the Natural Stone Institute, which classes travertine as a limestone, says the number of limestone varieties with a successful history in exterior paving is relatively limited, particularly in freeze-thaw environments.
Variation is the nature of the stone
Color and pattern shift from tile to tile. Blend from several boxes and order the whole job at once so it comes from one lot.
Travertine finish FAQ
Is filled travertine less natural than unfilled?
No. Both are solid natural stone. Filling changes only the surface, and the filler is matched to the stone so that it reads as part of the pattern.
Do the holes in filled travertine come back?
Occasionally. Filler can loosen with wear, or a hidden void just under the surface can open. The repair is to clean the hole and refill it.
Can I fill unfilled travertine myself?
Yes, in effect. Grouting an unfilled tile fills the pits on its face. Seal the stone first so the grout releases cleanly from the surface.
What is the difference between tumbled and honed travertine?
Honed is ground flat and smooth with straight edges. Tumbled is distressed in a drum until the edges round over and the face softens. Honed is usually filled, and tumbled is usually unfilled.
Which travertine finish is best for a bathroom?
Filled and honed for the floor and walls. Use a honed, filled mosaic on a shower floor so the pieces follow the slope to the drain.
Is tumbled travertine good around a pool?
It is the finish most often used there, in 3 cm pavers and matching coping, because the surface is textured and matte. Seal it, rinse it and keep pool chemistry balanced.
- Use Natural Stone (Natural Stone Institute), Travertine: Watching Stones Form in Real-Time
- Natural Stone Institute, What Is Travertine & Limestone? Technical Data and Best Practices
- Natural Stone Institute, Travertine Voids
- Use Natural Stone (Natural Stone Institute), Selecting the Ideal Stone Finish
- Natural Stone Institute, in Building Stone Magazine, Testing Frictional Properties of Natural Stone Walking Surfaces
- Natural Stone Institute, Care & Cleaning of Natural Stone
For backsplashes and shower floors, see the travertine mosaics.
See the finishes side by side
Order the same color in a filled and honed tile and a tumbled one, and compare them in the room. Samples ship free.
Questions? Talk to a tile specialist: 855-797-8453, Mon–Fri 8:30 AM–5:00 PM PST
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