Trim & Transition Pieces

You've picked the perfect tile. Now comes the part that makes an installation look finished: what happens at the edges, corners, and transitions. The finishing details that separate a professional installation from an amateur one, and a talking point that signals expertise fast.

Trim and transition pieces are the details that turn a tiled surface into a polished, professional result. They protect exposed edges, add a design accent, and make corners easier to keep clean. Here's a quick guide to the four most common types and where each one belongs. (New to tile materials? Start with our Tile Materials 101 guide.)

Bullnose

What it is: A bullnose is a tile with one rounded edge, used to finish an exposed tile edge cleanly. Without it, you'd see the raw, unglazed side of the tile.

Where it's used: The classic example is the top of a tub surround, but it works anywhere a tile run simply ends. Think the top edge of a backsplash, a half-wall in a bathroom, a shower niche, or the outside corner where two walls meet.

Why choose it: The softly rounded profile looks seamless because it's made from the same material, color, and finish as your field tile. It's the traditional choice when you want the edge to blend in rather than stand out.

Shop it: Soho Soft Sage Matte Bullnose 2x8, also available in glossy.

Pencil and Liner

What it is: A pencil or liner is a thin decorative strip of tile, often just a fraction of an inch to a couple of inches wide. It's used as an accent band or a transition between tile fields.

Where it's used: Run a pencil liner as a border at chair-rail height, frame a shower niche or mirror, or use it to separate two different tiles, such as a plain field tile and a patterned mosaic. A single line of liner can make a simple wall feel custom.

Why choose it: Liners add definition for a small cost. Choose one in a contrasting color for a graphic look, or a tone-on-tone liner for subtle depth.

Shop it: Krea 2.0 Arctic 1/4"x8" Pencil Matte Pressed, also available in glossy.

Cove Base

What it is: Cove base is a curved transition piece where the floor meets the wall. Instead of a sharp 90-degree corner, you get a smooth, rounded sweep.

Where it's used: It's common in commercial kitchens and healthcare settings, where sanitary, easy-to-clean corners matter. With no hard crease, there's nowhere for dirt, moisture, or debris to collect, and a mop or cleaning cloth glides right through. It's also a smart choice for any space that's cleaned often, like laundry rooms, mudrooms, and utility spaces.

Why choose it: Beyond hygiene, cove base protects the bottom of the wall from scuffs and splashes and gives the room a clean, finished baseline.

Shop it: Earthen Jade Cove Base 6X12

Metal Edge Trim

What it is: A metal edge profile, often called Schluter-style trim after the best-known brand, is a metal strip installed at an exposed tile edge instead of a bullnose.

Where it's used: It's especially common in modern commercial installations, and increasingly in contemporary homes. You'll see it on outside corners, wall terminations, shower niches, and counter edges.

Why choose it: Metal trim creates a crisp, minimal line and protects vulnerable edges from chipping. Unlike bullnose, it doesn't need to match your tile, so it can blend in with a subtle finish or become an intentional accent in brushed, polished, or colored metal.

Need help choosing a profile? Contact our team, and we'll help you find the right fit for your project.

Bullnose or Metal Edge?

Both finish an exposed edge, but they create different looks. Choose bullnose for a soft, traditional, tone-on-tone finish that matches your tile. Choose metal trim for a clean, modern line, or when you want a durable edge in a high-traffic commercial space.

Planning Tips

• Decide on trim early. Edge treatment affects the look of the whole project, so pick it when you pick your tile.
• Order trim with your tile. Don't make the mistake of forgetting trim and trying to come back mid-installation. Always order trim at the same time as field tile to avoid having a mismatched dye lot.
• Count your pieces. Trim is typically sold by the piece or box rather than by the square foot, so measure your linear feet of edges and corners.
• Check what your tile offers. Not every collection includes every trim style, and that's where a liner or metal profile can fill the gap.

Ready to finish your project the right way? Browse our full selection, or order samples to see your trim options in person.