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Custom Shower Parts

Shower Benches
, Thresholds, Niches & Curbs

Benches, seats, thresholds, niches, curbs, and jambs. We make each piece to your measurements, and they can match your countertop. Fabricated by Granite Guy in Southborough, serving MetroWest and Greater Boston since 1995.

Shower Benches Thresholds - Granite Guy
Shower Benches Thresholds - Granite Guy
We understand

Renovating a Bathroom or Shower?

Stock parts come in set sizes. No two bathrooms are the same.

"Can't I just pick one up at the tile store?"



If It Fits, Yes.

 

Stock comes in limited sizes and a handful of colors. If none of those work for your bathroom, send us your measurements and we'll make the parts.

See the parts we make

"Who's doing what on a job like this?"



We Do the Slab Work.

 

We fabricate the pieces: bench top, shower curb, threshold, niche, jambs. Installing them is your tile setter's job.

Talk to the shop

"Can I order just one piece?"



No Job Too Small.


Every job is a job to us. A threshold or a shelf takes a fraction of a slab, and a lot of times that's what our remnants are for.

How pricing works

How It Works

Shower Parts Fabrication, Start to Finish

Small piece, same steps. Nothing here gets a shortcut.

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Visit & Select

Come pick your material at the Southborough showroom. Bring the tile you're matching, or a photo of the countertop.
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We Handle Everything

Give us the measurements, and we lay out your cuts on a digital version of your slab. You see the layout and pattern flow before we fabricate anything, and nothing moves forward until you sign off. Every part for the job is on that layout, so nothing gets missed.
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Enjoy Your New Shower

Once you've approved everything, fabrication moves forward and your pieces are typically ready within 5 to 10 business days, depending on size and complexity.
Materials

Best Shower Threshold, Curb, Jamb, Niche and Bench Materials

A shower is a wet room with soap in it. Here's how each handles that.
Marble

Marble

The classic threshold material, and the one most homeowners picture. Comes honed or polished, and that choice matters more in a shower than anywhere else.

Granite

Granite

Dense and hard. A shower curb takes a foot on it every day and shrugs that off.

 

Quartz

Quartz

Engineered slabs, non-porous, never needs sealing. Color runs consistent, so a bench top matches the vanity exactly.

Quartzite

Quartzite

Natural stone with the marble look and real hardness behind it. Handles daily water without much thought.

Soapstone

Soapstone

Naturally non-porous, so sealing never enters the picture. It darkens with time, and in a shower it does that evenly.

Porcelain

Porcelain

Completely non-porous and unbothered by water. Large format slabs mean a tall jamb comes out of one piece.

Not sure yet? That's normal. Come in and we'll narrow it down together.





What we make

Every Part Comes Off the Same Slab

Most bathrooms need several of these. Here's what each one is.

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Thresholds

The piece at the bathroom door, where the tile meets the next floor. Same slab as the rest, so the whole bathroom ties together.
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Shower Curbs

The top of the step you walk over into the shower. Your tile setter builds the step and sets your curb on it with a slight pitch so water drains back in.
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Door Jambs

Finishes the shower opening in slab rather than tile edges, and gives the glass enclosure something solid to mount to.
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Shower Niches

Usually four to six pieces: a top, a bottom, two sides, and a shelf or two in between. Every one is a different size. A corner shelf is the simpler alternative, pie shaped, about eight or nine inches.
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Wall Caps

The top of a half wall, when the shower isn't fully enclosed. Usually paired with a shorter jamb where the glass lands.
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Bench and Seat Tops

Usually 16 to 18 inches tall and 12 to 16 deep. A corner seat is the smaller version, floated into the tile instead of built up.
Why Choose granite guy

Your Shower Parts Fabricator

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One Team, One Facility, Start to Finish

Showroom, slab warehouse, and fabrication shop, all in one building and run by one team.

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A Shop Built for Precision

CNC, waterjet, and digital templating, the right tool for every cut. That's how your parts come out accurate.

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Hand-Pick the Exact Slab You'll Get

Walk our indoor warehouse and choose the actual slab for your shower parts, in steady light any month of the year.

Slabs for Your Bathroom Parts, In Stock in Southborough
We always keep slabs in stock at our Southborough facility. Come see them in person, or browse our live inventory.

The Slab Concierge

Can't Find Your Slab? We'll Find It.

We keep a wide selection of slabs in Southborough, but your options go well beyond the warehouse. If we don't have the material you want, we send you to our partner slab galleries and stay with you the whole way, from pick to fabrication.

You hand-pick your own slab, and we handle the inspection, transport, and fabrication. One point of contact, start to finish.

The Slab Concierge: You pick it; we bring it to life. 

Find a slab gallery near you. Send us your email and we'll share our list of partner slab galleries across MA, NY, NJ, and CT, so you can go see slabs close to home.

Fill out the form and access 34+ slab galleries across MA, NY, NJ & CT, in your email.

What Our Customers Say

Bathroom Installations We're Proud Of

"The Countertop, Backsplash, threshold, wall cap and shower bench for our renovated bathroom came out perfectly."

— Beth Daniell
Google Review

"They have done quartz counter tops for vanities, an undermount tub deck, and shower thresholds."

— Sue Ramsey
Google Review

"The granite guy fabricated a bathroom vanity counter top with backsplash and shower curb pieces."

— Michael DeMichele
Google Review

Don't take our word for it — See what our customers are saying.

Timing

Your Shower Parts Are Needed Before Your Countertops

Tile and flooring finish first, cabinets go in on top of the floor, and countertops come last. But your niches, benches, and jambs come off the same slab as your countertops, and your tile setter needs them back at the tile stage. That means the material decision lands months before the counters do.

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Just updating one shower?

Come in anytime, no appointment needed. A threshold or a shelf often comes off a slab already on our floor.
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In the middle of a bathroom remodel?

Order early. Send us the measurements once the curb and the niche are framed, so the parts are ready when your tile setter is, not after.
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Custom build with more than one bathroom?

Designers and builders pick material early and we hold it until the site is ready. Showers rarely finish at the same time, so parts go out as each one comes up.
Before you visit

Make the Most of Your Visit

Everyone's welcome, whether you're ready to choose or just gathering ideas, no pressure.
If you've already got the project in mind, a few things make the visit more useful.

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Your measurements

Whatever your tile setter gave you, or a few phone photos of the shower. Widths and lengths are what we work from.
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Whatever you're matching to

The shower tile, a photo of the vanity top, a paint chip. These are what we'll hold the slab against.
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How you'll use it

A bench somebody sits on every day, or a corner shelf for shampoo? This changes which material we'd point you to.

Don't have all of this? No problem. Just come in and we'll figure it out together.

What We Do

We Don't Stop at the Countertop

 A backsplash, an island, a waterfall edge, a hearth. Same slab, same shop, same crew.

✓ Kitchen Islands

✓ Full-Height Backsplashes

✓ Waterfall Countertops

✓ Pantry Countertops

✓ Bathroom Vanities

✓ Slab Shower Walls

✓ Shower  Accessories

✓ Tub Surrounds

✓ Laundry Room Surfaces

✓ Fireplace Surround

✓ Custom Slab Hearths

✓ Bar Countertops

✓ Custom Tabletops

✓ Slab Remnants

✓ Commercial Countertops

✓ Outdoor Kitchen Countertops

✓ Countertop Removal
 Don't see what you need? Give us a call. If it involves slabs, we can probably do it.

Pricing

How Much Do Shower Parts Cost?

Pricing matters. It's the first question everybody asks, and we get it.

But there's no price list in this business. Two suppliers can charge different prices for the same slab, and the work you want done changes the rest of it.

On a small part, square footage isn't what you're paying for. A threshold is a couple of square feet with finished edge running its whole length, and that edge is the work. Same material as a countertop, same shop, same machines. Different ratio.

We work with every supplier to find the best value, and we keep remnants from bigger jobs. A threshold or a shelf often comes straight off one.

Our quotes spell it out line by line: material, fabrication, edges, and whatever else the job adds. You see exactly what you're paying for.

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About Granite Guy

Your Shower Parts Fabricator in Southborough, MA

Granite Guy is a full-service fabrication shop in Southborough: showroom, indoor slab warehouse, and fabrication floor, all in one building. From the slab you pick to the finished edge, one team handles it in-house at our countertop store on Route 9.   Countertop store.

"I'd rather walk you through a decision than push you to one. The more you understand before we start the job, the fewer surprises later. That's how I work, and it's how I train my crew."  

Walk-In Showroom
On-Site Slab Warehouse
In-House CNC Fabrication 
A Wide Range of Slabs for Your Bathroom
Family Owned and Operated Since 1995
Local and MetroWest Based 
Maintenance

Living With Your New Bathroom

A shower is wetter and soapier than any countertop, so what you picked matters more than the routine does. Mild soap and warm water, squeegee the glass, skip acidic cleaners. Natural stone gets sealed before it leaves us, and sealer works hardest down low where the water runs.

The full guides:

Marble care →  Granite care →  Quartz care → Quartzite care →
 
Common Questions

Shower Parts FAQ

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Do you install shower parts, or just fabricate them?

We fabricate them. Your tile setter sets them, since they go in with the tile work.
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How wide should a shower curb be?

Most curbs run about 6 1/2 inches, jambs about 6, and a door threshold closer to 4 1/2. Those cover most jobs, which is why stock sizes exist. But framing, tile thickness, and how the shower was built all change the size.
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How long can a shower jamb be?

Jambs are the long pieces. In a house with 8-foot ceilings they usually run 82 to 85 inches, and 10-foot ceilings change that. Stock tends to stop near 6 feet, because shorter pieces ship and handle without breaking. We cut yours to the height you have.
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Can you make the jambs thinner?

When the material allows, yes. Your jambs come off the same slab as your countertop, and that's often thicker than customers want on a shower part. Some prefer a slimmer look, and sometimes the glass was already ordered to a size that won't take the full thickness.
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How deep should a shower bench be?

Usually 12 to 16 inches, and 14 is the most common. Deeper is more comfortable, shallower gives the shower back some room.
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How tall should a shower bench be?

Usually 16 to 18 inches.
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Can I do a floating bench?

Yes, but it has to be planned from the start. The supports go in the wall before the tile does, so make that decision with your contractor early.
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Do shower curbs and benches sit level?

No, and they shouldn't. Your tile setter sets them with a slight pitch so water runs back into the shower. Level looks right and drains wrong.
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Who takes the measurements?

Your tile setter measures. Email it over or bring it by, with the sizes and which edges get finished. We like to go over the details with you.
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Can my shower parts match my countertop?

Yes, and they should. Bought separately, the colors may not match. Order everything together and it all comes off the same slab.
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How do I know my shower parts will match what I picked?

Every job gets a digital layout before we fabricate, no matter the material. You see a digital image of your actual slab, laid out piece by piece with any seams marked, and if there's veining, we adjust until the pattern flows. Nothing moves to fabrication until you approve it.
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Would I save money using a remnant?

Often, yes. Remnants are what's left from bigger jobs, and some of them are rare finds. A threshold rarely needs a whole slab, so it's worth a look.
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Do you serve my town?

Mostly MetroWest and Greater Boston, but we go all over Massachusetts, and we're willing to travel anywhere in New England for the right job.
Here's the Good News

Come See Your Slab in Person

Color is the one thing a photo can't show you. Bring your tile to the Southborough showroom and hold it against the actual slab, and we'll work out what your bathroom needs. 
Or call us (508) 460-7900