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What is Tongue and Groove Paneling:
a Designer’s Guide to This Classic Detail

Why I Keep Coming Back to Tongue and Groove

There are certain design details I find myself returning to again and again—and tongue and groove paneling is one of them. I’d even go so far as to say it’s part of our Clouz Houz signature style. It’s subtle but impactful, timeless but not overdone, and it adds that little bit of texture and soul that makes a space feel lived in. I choose it over drywall every time!

We use it often across client projects—on walls, ceilings, cabinetry backings–  it gives the room a layer of quiet charm that just works. Whether the home is modern, classic, rustic, or something in between, tongue and groove has a way of fitting in and grounding a space without shouting for attention.

Tongue and groove ceiling with rustic wood finish above a cozy living space featuring a plaid sectional banquette, dark wood table, and bentwood chairs in a sun-filled dining nook.
Photo: Zee Wendell

Let’s Break It All Down

If you’ve ever come across the terms tongue and groove, shiplap, or nickel gap while scrolling Pinterest or browsing for wall paneling—and have no idea what the difference is—you’re not alone. I get asked about this all the time by clients.

That’s why I wanted to break it all down clearly in this post:

  • What is tongue and groove?
  • How is it different from shiplap or or some refer to as “nickel gap”?
  • Where can it be used?
  • What should you think about before installing it?

This guide is meant to be approachable and easy to follow—whether you’re planning a remodel, dreaming up future projects, or just want to better understand the details you love.

Let’s get into it.

Entryway featuring vertical tongue and groove paneling in a neutral tone, paired with warm wood accents and natural textures.
Photo: Zee Wendell

What Is Tongue and Groove Paneling?

Starting with the basics: tongue and groove is a type of paneling where each board is milled with a tongue (a raised edge) on one side and a groove (a recessed slot) on the other. When installed, the tongue of one board slides into the groove of the next, locking them together and creating a snug, seamless joint.

Visually, it creates a subtle “V” where the boards meet—hence why it’s sometimes called V-groove paneling. It’s not dramatic or overly defined. Instead, it gives the wall or ceiling a soft, rhythmic texture that feels timeless, especially when painted or stained.

If that still feels confusing, think of it this way: It’s kind of like puzzle pieces fitting together—much but prettier.

Tongue and groove boards can be installed horizontally, vertically, or even on ceilings (which are perfect for adding quiet character to a room without taking up floor space). It’s a design choice that feels architectural and warm all at once.

“Close-up view of tongue and groove paneling on a ceiling, painted in a soft white tone for a clean and classic look.”
Photo: Zee Wendell

Why We Love It (And Use It Often)

I come back to tongue and groove in so many projects because it adds instant texture and just the right amount of detail—without overpowering a space. It’s an especially great choice when we want a room to feel polished but still a little casual and lived-in.

Whether we’re designing a hallway, a powder room, a mudroom, or a primary bedroom ceiling, tongue and groove paneling has a way of bringing in that classic, collected look we aim for. It pairs beautifully with other materials like stone, plaster, or aged wood, and it wears well over time.

I’ll go into where and how we use it a little later in this post—but first, it’s important to talk about what it’s not.


Photo: Zee Wendell

How Is Tongue and Groove Different from Shiplap?

These three styles often get grouped together, but they each have their own distinct look and function. Here’s how I explain it to clients:

  • Tongue & Groove: Each board clicks into the next, creating a subtle v-shaped groove. The join is tight, clean, and slightly old-school in the best way.
    • Classic, cottagey, quietly architectural.
  • Shiplap aka “Nickel Gap:” The boards overlap at the edges, creating a visible gap or reveal. It’s flatter than tongue and groove and feels a little more casual. See our project here where we used shiplap throughout this Broken Top home.
    • More coastal, modern farmhouse, beachy bungalow vibes. 

I always say: “If shiplap is your easygoing coastal cousin, tongue and groove is the charming, quiet old soul of the family.”


Rustic bedroom with natural wood tongue and groove ceiling, adding warmth and architectural charm.
Photo: Zee Wendell

Where We Like to Use Tongue and Groove

One of the reasons I consider tongue and groove such a go-to design detail is because it works in so many places. Whether we’re designing a full remodel or just refreshing one corner of a home, it adds depth and texture without being fussy.

Here are a few of the areas we often use it for clients

Ceilings: If you’ve ever walked into a room and thought, “Wow, this feels cozy but elevated,” there’s a good chance the ceiling had something to do with it. Tongue and groove on the ceiling is one of our favorite tricks for adding warmth, especially in spaces with higher ceilings that need a little grounding.

Accent Walls: Whether behind a bed, in a dining nook, or lining a hallway, tongue and groove brings just enough interest to a wall without competing with art or furniture. It’s one of the easiest ways to make a space feel like it has something to say

Entryways & Mudrooms: These spaces are naturally high-traffic, but that doesn’t mean they can’t be beautiful. Paneling adds texture, charm, and a sense of formality that makes even a small mudroom feel elevated. Plus, it’s especially useful in areas clients need durability. Think kids and pets coming and going through mudroom. It’s more forgiving than plain drywall 

Bathroom with painted tongue and groove walls, showcasing a moody palette and vintage-inspired hardware.
Photo: Zee Wendell

Bathrooms & Powder Rooms: Used halfway up the wall or all the way to the ceiling, it’s a great alternative to tile in drier zones such as a powder room. Painted dark it can create a mood but still keeping things classic.


Things to Consider Before You Install

Before adding tongue and groove paneling, there are a few key decisions to make. We walk our clients through each one to make sure it fits their lifestyle and their space.

Living room ceiling wrapped in tongue and groove paneling, paired with wood beams for a layered, cozy feel.
Photo: Zee Wendell

Orientation: Vertical or Horizontal?

  • Vertical boards feel a bit more traditional and can make a space feel taller.
  • Horizontal boards are more relaxed and can visually widen a narrow room. This orientation is great for a California Casual and coastal vibe.

We’ve done both, depending on the overall mood we’re creating. Vertical feels great in formal spaces, while horizontal brings more of that unfussy, easy-living energy.

Board Width

  • Narrower boards (about 3-4”) lean more old-world and classic.
  • Wider boards (6”+) feel more modern or rustic.

You can’t really go wrong, it just depends on the feel you’re after.

Photo: Zee Wendell

Painted or Natural Finish?

  • Painted tongue and groove gives a crisp, clean look and works beautifully in traditional homes.
  • Natural or stained wood brings in warmth and texture. We love this in mountain or ranch-style projects.
  • Our tip: use a satin or semi-gloss finish for just the right amount of sheen (and wipeability!).

Material Type

You can find tongue and groove in real wood, MDF, or PVC. Each has its place:

  • Wood = warm and authentic, but needs sealing.
  • MDF = cost-effective and great for painted applications.
Bathroom with painted tongue and groove walls, showcasing a moody palette and vintage-inspired hardware.
Photo: Zee Wendell

Why It Matters

We often think of it as background material, but the right background can completely change the atmosphere of a room. That’s why we lean on it so often in our client projects. It supports the story of the home, without overpowering it.

S,o whether you’re remodeling, building new, or just looking to make a room feel a little more finished, don’t overlook the walls and ceilings. Tongue and groove is one of those enduring details that ages well, feels intentional, and brings a soft structure to the spaces we linger in most. And around here, that’s always the goal.


Need a little more direction?

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