Countertop Edge Cost (2026): Bullnose to Mitered Aprons and Waterfall Ends, per Foot and per End
One quartz kitchen priced with every edge, a mitered apron and two waterfall ends, with the shops' per-foot rates, the slab count and the makers' rules.
The assumptions
This model assumes
- An L along a 10 ft and a 9 ft wall at 25 1/2 in deep, and an 8 ft x 42 in island
- 3 cm quartz, one sink and one cooktop cutout, 42 ft of exposed edge
- Direct cost from Clamp's October 2026 catalog, before markup
- Fabricator's template, fabrication and install; no backsplash or tear-out
The model, step by step
An L along two walls, 10 ft and 9 ft at 25 1/2 in deep, and an 8 ft x 42 in island, in 3 cm quartz with one sink and one cooktop. That's 63.9 sq ft of top and 42 ft of exposed edge. Only the edge changes from row to row.
| Edge | Cost | Adds |
|---|---|---|
| EasedIncluded in fabrication | $8,049 | 0 |
| Beveled | $8,385 | +$336 |
| Half or full bullnose | $8,721 | +$672 |
| Dupont or chiseled | $8,789 | +$740 |
| Ogee | $8,822 | +$773 |
| Mitered, 2 1/4 in | $11,212 | +$3,163 |
| Mitered, 3 in | $12,267 | +$4,218 |

The kitchen in plan
The kitchen drawn in the style of Quick Clamp's sketch pad: the L along two walls and the island, with the exposed edge in amber and the areas listed under the drawing. Demo data.
Fabricators price the top by the square foot with an eased edge and the standard cutouts in it. Upgraded edges, mitered aprons and waterfall ends are extra lines on top.
| Line | Cost |
|---|---|
| Quartz slab, 63.9 sq ft$55 a sq ft, normal waste in | $3,512 |
| Fabrication$42 a sq ft: template, cut, eased edge, sink and cooktop cutouts | $2,682 |
| Install$22 a sq ft: set, seam, sink mounted | $1,405 |
| Plumbing disconnect and reconnect | $450 |
| Total | $8,049 |
Shops charge an upgraded edge by the linear foot of exposed edge: the fronts, the island's sides and ends, never the sides against a wall or the backsplash. Most profiles cluster between $10 and $30 a foot.
| Profile | Range |
|---|---|
| Eased | Included |
| BevelIncluded at some shops | $0 to $19 |
| Half bullnose | $10 to $30 |
| Full bullnose | $15 to $30 |
| Ogee | $15 to $30 |
| Dupont | $12 to $20 |
| Chiseled | $15 to $19 |

Profiles in section
Edge profiles in section at 3 cm, drawn in the style of Quick Clamp's sketch pad. The mitered apron's joint is in amber. Demo data.
A mitered edge is a strip of the same slab, cut at 45 degrees with the top and glued under the front so the pattern turns the corner and the edge reads 2 or 3 in thick. It's priced by the foot, and the strip comes out of the slab.
What the makers say
CaesarstoneMiters at 45 degrees; the edge's height doesn't depend on the slab's thickness; a miter cut wrong isn't covered by the warranty
CambriaMitered profiles offered in 1, 2 and 3 cm material
Shops$20 a foot (Chain of Lakes, called miter lamination) to $65 (Hendron) and $40 to $120 (Fedor); Dekton $80
A waterfall end is a leg of the same slab mitered to the top and run to the floor. Rate-card shops charge the labor to cut, miter, glue and set it, and bill the stone separately: $300 to $750 an end.
| Option | Cost | Adds |
|---|---|---|
| No waterfall, eased | $8,049 | 0 |
| One end | $9,377 | +$1,328 |
| Two ends, eased$750 each plus 21 sq ft of slab | $10,704 | +$2,655 |
| Two ends, mitered fronts | $13,340 | +$5,291 |

Waterfall island
The island with two waterfall legs, drawn in the style of Quick Clamp's sketch pad: the miter joints in amber. Demo data.
With waterfalls, the island's ends aren't edges any more: the kitchen's exposed edge drops from 42 ft to 35. Silestone treats the leg as cladding; the top still rests on the cabinet. Published ranges of $800 to $2,500 an end (Stonify, Alpine Stones) usually include the stone; a rate card's $300 to $750 doesn't.
Square footage doesn't count slabs; the layout does. A Caesarstone standard slab is 120 x 56 1/2 in (47.1 sq ft) and a jumbo 131 1/2 x 64 1/2 in (58.9 sq ft), a little less usable.
This kitchen
The L35.9 sq ft: one jumbo, or a standard with a seam on the 120 in run
The island28 sq ft: one slab by itself
Two waterfall legs21 sq ft more; they won't fit beside the island, so three slabs in all
A vein over both endsUnfolds to 36 + 96 + 36 = 168 in, longer than any slab; one end needs 132 in, past the 131 1/2 in jumbo
Makers set limits that change what you can sell, and some void the warranty if they're broken.
From the makers' guides
OverhangCambria: support past 12 in on 2 cm and 15 in on 3 cm, and overhang no more than a third of the base cabinet's depth, corbels or not
CutoutsInside corners at least 3/8 in radius (Caesarstone), 10 mm (Silestone); support within 3 in of a cutout (Cambria)
SeamsFully supported, overhangs included (Cambria)
EdgesAt least a 3 mm (1/8 in) profile, 6 mm recommended (Caesarstone); chips from impact or from striking the edge aren't covered by Caesarstone, Cambria or Silestone warranties
The edge is a small part of the price next to the slab. Same kitchen, eased, by material.
| Material | Cost | Per sq ft |
|---|---|---|
| Granite | $7,602 | $119 |
| Quartz | $8,049 | $126 |
| Premium quartz | $8,496 | $133 |
| MarbleFabrication $45 a sq ft | $9,518 | $149 |
| QuartziteFabrication $45 a sq ft | $10,157 | $159 |
A bullnose on this kitchen is $672, about 8 percent; a mitered apron about 39 percent; two waterfall ends about 33 percent. Put the edge and the waterfall on their own lines so the homeowner sees what each one costs.
What it means
Every edge on its own line
Clamp's estimate prices a countertop by material and square foot, then adds the edge by the foot of exposed edge, a mitered apron by the foot with the strip's slab, and each waterfall end with its slab, as separate lines. Sketch the counters in Quick Clamp to keep the measurements, and put two edges on one proposal as options.
Ask your fabricator for their rate card and put it in your catalog: per foot for edges and miters, per end for waterfalls. The next quote takes ten minutes.
Questions
How much does a countertop edge upgrade cost?
Most profiled edges cost $10 to $30 a linear foot of exposed edge over a standard eased edge, which is included. On a kitchen with 42 ft of edge that's about $672 for a bullnose and $773 for an ogee in Clamp's catalog.
How much does a waterfall countertop cost?
Shops charge $300 to $750 an end to cut, miter and set the leg, plus the slab for it: about 10.5 sq ft for a 42 in deep island at 36 in. Two ends on a quartz island add about $2,655 direct in Clamp's catalog.
How much does a mitered edge cost?
$40 to $120 a linear foot (Fedor) and $65 at Hendron, plus the strip of slab; a laminated edge runs less. A 2 1/4 in mitered apron on 42 ft of edge adds about $3,163 direct in Clamp's catalog: $65 a foot and about 8 sq ft of slab.
How many slabs does a waterfall island need?
An 8 ft x 42 in island fits on one slab; its two 36 in legs need a second. A vein can't run unbroken over both ends: the island unfolds to 168 in, longer than any standard or jumbo slab.
How much do quartz countertops cost per square foot installed?
About $126 a sq ft direct in Clamp's catalog with an eased edge, before markup. Published installed prices run $50 to $150 (MSI) and $100 to $180 in southeastern Pennsylvania (Fedor).
Sources & provenance
- Clamp estimating catalog (2026-10): countertop fabrication, install, slab allowances, edge profiles, mitered aprons and waterfall ends Clamp Research
- Countertop Edges Chain of Lakes Granite (research)
- Edge Profile and Add Ons Hendron (research)
- Express Program Pricing Granite Mill (Seattle area) (research)
- Fabrication Service and Installation Charges Craft Counters (research)
- Countertop FAQ Signature Stone (Las Vegas) (research)
- How Much Do Quartz Countertops Cost in Southeastern PA? (2026 Installed Price Guide) Fedor Fabrication (research)
- Stone Fabrication ATL Slab Liquidators (research)
- How Much Does A Slab Of Quartz Cost? A Complete 2026 Pricing Guide MSI (research)
- Fabrication and Installation Guide (v0321) Caesarstone (official source)
- Design and Specification: Edges Caesarstone (official source)
- Guide Specification (v3.7) Caesarstone US (official source)
- Technical Data Manual: Slab Dimensions Caesarstone US (official source)
- Residential Lifetime Warranty (Rev. 112020) Caesarstone US (official source)
- Thicknesses and Edge Profiles Cambria (official source)
- Countertop Installation Technical Guideline (23A-0220) Cambria (official source)
- Countertops: Design and Installation Cosentino (Silestone) (official source)
- Miters Are a Must Park Industries (research)
- Pricing Add-ons Stonify (research)
- Countertop Cost Guide: Portland, Oregon and Vancouver, WA (2026) Alpine Stones (research)
- Why Super Jumbo Slabs? A Deep Dive Into Rusta and Belaros Quartz MSI (research)
- Full Lifetime Warranty Cambria (official source)
- Limited Warranty Cosentino (Silestone) (official source)
- What Are Mitered Edge Countertops? Pros and Cons, Cost Factors, and More Angi (research)
- Quartz Countertops Cost Fixr (research)