Stone Trough Sinks: Sizes, Stone Types and Installation
How stone trough sinks work in real bathrooms: marble and travertine options, published trough sizes, vessel and pedestal installs, and what project buyers confirm before ordering.
On this page
Stone Trough Sinks at a Glance
A stone trough sink is a long, low basin cut from natural stone, with a flat or sloped floor instead of a round bowl. It reads as one continuous piece on the vanity. That suits hotel suites, powder rooms and design-led homes that want the basin to be the feature.
The short answer: choose Carrara White or black marble for a crisp look, and travertine for a warm beige tone. Pick a vessel trough of 35.4–39.8 in (900–1010 mm) for a statement counter, or a pedestal model when there is no room for a vanity. Plan the faucet, drain and counter support before you order, because stone leaves little room for fixes on site.
What Is a Stone Trough Sink?
A trough sink is long and shallow, and its basin runs along the length of the counter. In stone, the basin and its walls are cut from solid marble or travertine, so the veining runs through the whole piece. No two troughs look exactly alike, which is part of the appeal and part of the planning.
Stone troughs come in two broad forms. A vessel trough sits on top of a counter, like the Carrara White marble trough vessel basin (SP261) and the black stone vessel sink trough (SP275). A pedestal trough stands on its own column, like the travertine pedestal sink (SP1041) and the Carrara White flared-trough pedestal basin (SP1045).
Are Trough Sinks Practical?
Trough sinks are practical when the room is planned around them. The long basin gives a user more elbow room than a round bowl, and a low body keeps the counter line clean. On a longer model, one trough covers the width that two small basins would take.
The trade-offs are real, and they are easiest to manage at the drawing stage.
- Weight. Solid stone is heavy, so the vanity or counter must be built to carry it. Confirm the weight against the model spec sheet before you size the frame.
- Splash. Our vessel troughs are only 3.9–4.9 in (100–125 mm) tall. A spout that lands on a flat floor splashes more than one aimed at the drain.
- Care. Marble and travertine are calcite stones. Acidic cleaners etch them, so housekeeping needs a pH-neutral routine.
- Two users. Our vessel trough drawings show one faucet position per basin. A second user needs a wall-mount faucet or custom drilling, agreed before production.
Marble, Travertine or Limestone: Choosing the Stone
The stone sets both the look and the care routine. All three common trough stones are calcite-based, so none of them likes acid. The real differences are color, veining and how much texture the surface shows.
| Stone | Look | Care notes | SANIKB trough models |
|---|---|---|---|
| Carrara White marble | White ground with soft grey veining | Seal on a schedule; wipe acids at once | SP261 vessel, SP1045 pedestal |
| Black marble | Near-black with thin white veining | Tends to show water spots; dry after use | SP275 vessel |
| Travertine | Warm beige with natural pores and bands | Seal, and rinse soap film from the pores | SP1041 pedestal |
| Limestone | Soft cream to grey | Porous and acid-sensitive like the others | Not in the current trough range |
Stone Trough Sink Sizes and What They Fit
Trough sizes are published as outside dimensions. On a vessel model, the third figure is the body height the counter gains, not the inside depth of the basin. Inside depth is not published, so confirm it against the model spec sheet before you choose a faucet.
| Model | Stone | Mount | Published size |
|---|---|---|---|
| SP261 | Carrara White marble | Vessel (above-counter) | 39.8 × 18.9 in, 4.9 in tall (1010 × 480 × 125 mm) |
| SP275 | Black marble | Vessel (above-counter) | 35.4 × 19.3 in, 3.9 in tall (900 × 490 × 100 mm) |
| SP1041 | Travertine | Pedestal (floor-mounted) | 17.7 × 17.7 in, 33.5 in tall (450 × 450 × 850 mm) |
| SP1045 | Carrara White marble | Pedestal (floor-mounted) | 15.0 × 15.0 in, 33.5 in tall (380 × 380 × 850 mm) |
Two numbers matter most on a vessel trough. The length of 35.4–39.8 in (900–1010 mm) sets how many users can stand at the basin. The front-to-back size of 18.9–19.3 in (480–490 mm) must fit the counter with a safe margin on every side.
Vessel or Pedestal: How a Stone Trough Installs
Vessel troughs on a counter
A vessel trough sits on top of the vanity, and the vanity carries the full load of the stone. Build the top and frame for that load, and set the basin on a stone-safe silicone bead. On SP261 and SP275, the faucet holes are cut into the stone deck, so a deck-mounted faucet stands on the trough itself.
Pedestal troughs on the floor
A pedestal trough needs no vanity at all. SP1041 and SP1045 stand 33.5 in (850 mm) tall on square footprints of 17.7 in (450 mm) and 15.0 in (380 mm). That makes them a fit for powder rooms and hotel cloakrooms where a vanity would block the door swing. Neither pedestal drawing shows a faucet hole, only a center drain, so pair them with a wall-mount faucet.
Accessible positions
The U.S. Access Board guide to ADA lavatories and sinks caps an accessible lavatory at 34 in (864 mm), measured to the rim or counter, whichever is higher. It also calls for knee and toe space for a forward approach. A pedestal column leaves no knee space, so plan accessible positions with a vessel trough on an open counter.
With a vessel trough, add the stone to the counter height. SP275 adds 3.9 in (100 mm), so its counter should sit at 30.0 in (763 mm) or lower to keep the rim within 34 in. SP261 adds 4.9 in (125 mm), which brings that limit down to 29.0 in (738 mm). Verify against the official technical drawing before fabrication.
Faucets, Drains and Splash Control
Start with the faucet, because it fixes where the water lands. The spout should reach the lowest part of the floor, near the drain, so water runs straight out. A short spout that lands on a flat, shallow floor sends water back up the stone.
On the vessel models, deck faucets mount through the holes in the stone deck. For a clear deck or a second user, wall-mount bathroom faucets are a common choice on a trough. Agree the spout reach and height with the stone drawing before the wall is closed.
Drains need the same care. The SP261 and SP275 drawings show no overflow opening, so plan a non-overflow drain. Confirm the drain size against the model spec sheet. SP261's floor slopes toward a single drain, which helps the basin empty cleanly.
Stone, Ceramic or Concrete Troughs?
Stone is not the only trough material in the range. Ceramic and concrete troughs trade the one-off veining of stone for other strengths. The table compares published specs across our trough models.
| Model | Material | Finish | Published size | MOQ |
|---|---|---|---|---|
| SP261 | Carrara White marble | Polished | 39.8 × 18.9 × 4.9 in (1010 × 480 × 125 mm) | 50 pcs |
| SP275 | Black marble | Polished | 35.4 × 19.3 × 3.9 in (900 × 490 × 100 mm) | 50 pcs |
| SN162 | Vitreous china ceramic | Glossy white | 39 3/4 × 17 1/4 × 5 7/8 in (1010 × 438 × 149 mm) | 20 pcs |
| SN165 | Vitreous china ceramic | Glossy white | 39.4 × 16.7 × 5.7 in (1000 × 425 × 145 mm) | 20 pcs |
| SN164 | Vitreous china ceramic | Glossy white | 29 3/4 × 16 3/4 × 5 3/4 in (750 × 420 × 140 mm) | 20 pcs |
| C0010 | Concrete | Charcoal | 23.6 × 13.8 × 4.7 in (600 × 350 × 120 mm) | 20 pcs |
Choose stone when each room should look individual and the budget covers sealing. Choose a 39 in ceramic trough for a double vanity when you need consistent units in volume and a glazed surface that needs no sealing. The 40 in ceramic trough and the 30 in ceramic trough cover longer and shorter counters. For a smaller, industrial piece, the charcoal concrete trough runs 23.6 in (600 mm) long.
Multi-station washrooms in offices, schools and public buildings follow different rules. For those projects, see our commercial trough sink specification guide.
Care and Sealing
A sealed stone trough resists staining, but sealer does not stop acid etching. Daily care is simple: rinse, wipe with a pH-neutral cleaner and dry the basin. Keep vinegar, citrus and descaling products away from marble and travertine.
Hard water is the other risk. Its minerals, described in the USGS water hardness guide, leave white marks, and the acids that remove them also etch the stone. Drying the basin after use prevents most marks. For step-by-step methods, see how to clean and seal a natural stone sink.
Sourcing Stone Trough Sinks for Projects
For hospitality, multifamily and design-build programs, the questions shift from one basin to a full run. Lock the stone, model and finish first. Then approve a sample or batch photos, because color and veining vary from block to block.
SANIKB supplies stone troughs factory-direct, with a minimum order of 50 pcs per stone model. Send the model, quantity and destination port, and the team returns a quotation within 12 business hours.
Trough order checklist
- Model, stone and finish for every room type.
- Sample or batch photo approval for color and veining.
- Signed drawing with faucet position, drain type and overflow.
- Counter or vanity design sized for the stone weight.
- Faucet spout reach checked against the basin floor.
- Crating, packing list and delivery port confirmed on the quote.
For more choices, browse the full stone vessel sink range and every stone pedestal sink model. To compare mount types, read our guide to stone bathroom sinks, or see natural stone basin types and finishes.
STONE TROUGH SINKS TO COMPARE
Confirm the exact model, finish, dimensions and project quantity on the current product page and submittal before purchase.
Carrara White marble trough, 39.8 in (1010 mm) long, with a floor that slopes to one drain.
View product & request pricing
Black marble trough, 35.4 in (900 mm) long and 3.9 in (100 mm) tall.
View product & request pricing
Travertine square pedestal on a 17.7 in (450 mm) footprint.
View product & request pricing
Carrara White flared pedestal on a 15.0 in (380 mm) footprint.
View product & request pricing
Glossy white ceramic trough, 39.4 in (1000 mm), for a double vanity.
View product & request pricing
Ready to price a project? Request a project quote with your model list and quantities.
Frequently Asked Questions
Are stone trough sinks practical for a bathroom?
Stone trough sinks are practical when the counter, faucet and drain are planned around the basin. SANIKB's vessel troughs run 35.4–39.8 in (900–1010 mm) long, which gives one user generous elbow room. Their low bodies of 3.9–4.9 in (100–125 mm) need a spout aimed at the drain. Settle all three on the drawing before the order is placed.
What are the disadvantages of a stone trough sink?
Stone trough sinks bring three trade-offs: weight, splash and care. Solid marble or travertine loads the vanity, so confirm the weight against the model spec sheet. Shallow bodies splash when the spout misses the drain, and acidic cleaners etch calcite stone. Budget for a reinforced vanity, a matched faucet and a pH-neutral cleaning routine.
Are stone sinks a good idea for hotels?
Stone sinks suit hotels that want each room to feel individual, because every block carries its own veining. The trade-off is housekeeping: staff must use pH-neutral cleaners, dry the basin and reseal on a schedule. For a large room count, approve a sample or batch photos so the veining stays within an agreed range.
Can two people share one stone trough sink?
Two people can share a stone trough sink only when its length and faucet positions allow it. The longest stone troughs in the SANIKB range are SP261 at 39.8 in (1010 mm) and SP275 at 35.4 in (900 mm). Both drawings show one faucet position, so a second user needs a wall-mount faucet or custom drilling. Request written confirmation from the factory before the counter is cut.
Where can I buy stone trough sinks in bulk?
Project buyers can source stone trough sinks factory-direct from SANIKB, with a minimum order of 50 pcs per stone model. Send the model, quantity and destination port to get a quotation within 12 business hours. Approve a sample or batch photos before production, because natural stone varies in color and veining from block to block.