1000x350x40mm
Rock Faced
Availability: Coming Soon
15 pallets are currently at sea and expected to arrive in a few weeks.
Request update

Black Granite Pencil Round Coping Stones deliver deep charcoal-black natural stone aesthetics, ultimate structural strength, and a refined architectural edge engineered for high-end UK landscaping. Manufactured with a sleek, slightly smoothed top edge, this premium black granite wall coping offers a striking contemporary elegance combined with exceptional frost resistance. Stocked right here for the UK market, these coping stones provide an ultra-durable, flawless finishing touch for modern garden walls, steps, and luxury pool surrounds.
Black Granite is an ultra-dense igneous stone featuring a deep midnight black and dark charcoal colour spectrum. Unlike our rock-faced products, these bespoke coping stones feature a "pencil round" edge—a smooth, straight cut where the sharp top corner has been gently rounded off (like the shape of a pencil). This profile not only prevents edge chipping but also delivers the crisp, clean, minimalist aesthetic demanded by modern architectural designs.
| Size | Common Use |
|---|---|
| 1500 x 500 x 40mm | Large contemporary boundary walls, grand step treads, and premium commercial features |
| 900 x 500 x 40mm | Standard heavy-duty wall capping and robust garden steps |
| 600 x 350 x 25mm | Modern parapet walls, dwarf walls, and sleek garden borders |
Bespoke service: As a direct manufacturer, our expert stonemasons can also fabricate bespoke, customised sizes tailored to your exact project requirements.
While the pencil round edge is perfectly smooth, the top surface of these granite coping stones features a micro-textured (flamed or sandblasted) finish. This provides exceptional slip resistance for wet outdoor environments—making them ideal for granite pool coping or step treads—while accentuating the deep, uniform crystalline structure of the stone.
| Property | Value |
|---|---|
| Material | Natural Granite (Igneous) |
| Sizes | 1500x500mm, 900x500mm, 600x350mm |
| Thickness | 40mm / 25mm |
| Finish | Micro-textured Top, Smooth Pencil Round Edge |
| Colour Palette | Midnight Black, Deep Charcoal |
| Application | Wall coping, pool surrounds, step treads, bespoke landscaping |
Standard concrete capping and softer limestones can scratch, stain, or crack under harsh weather conditions. Black Granite provides an impermeable, ultra-durable natural stone surface that retains its dramatic dark coloration for decades with minimal maintenance. The sleek pencil round wall capping perfectly complements contemporary architecture, zinc planters, and modern water features.
If your project requires a softer, more traditional rustic edge rather than a sleek modern profile, you can contrast this aesthetic by exploring our Raj Green Indian Sandstone Rock Faced Coping Stones.
Perfect for: Modern garden boundary walls · sleek step treads · luxury pool surrounds · retaining walls · bespoke contemporary landscaping · commercial architectural detailing.
What is a "pencil round" edge?
A pencil round edge is a straight, smooth-cut edge where the sharp 90-degree top corner is slightly rounded off to a soft curve. It creates a sleek, modern look and reduces the risk of the edge chipping.
What sizes does this granite coping come in?
We stock three main sizes: 1500x500x40mm, 900x500x40mm, and 600x350x25mm. However, we also provide customised size stones to match your specific needs.
Is Black Granite suitable for pool surrounds or steps?
Absolutely. The dense granite offers exceptional compressive strength, and the micro-textured top surface provides excellent slip resistance, making the 40mm thick options perfect for steps and pool edges.
Does Black Granite require sealing?
While granite is naturally dense and highly stain-resistant, applying a penetrating breathable sealer post-installation can help protect against stubborn grease or organic contaminants in outdoor settings.
Can I order a sample?
Yes, we highly recommend it! You can request a free sample via our website to check the textured top, the smooth edge profile, and the deep charcoal tones in person.
Contact the SNK Surfaces team for project-specific guidance, stock allocation, and technical support.
Need help with this product?
Speak with our team or add this item to your request and we will confirm availability.
More answers around stock, delivery, samples and trade ordering.
Find out moreSNK Surfaces stone paving was a practical product to use. It was easy to work with, and the finish created a clean project result.
Trade Customer
Landscape contractor
1000x350x40mm
Rock Faced
Availability: Coming Soon
15 pallets are currently at sea and expected to arrive in a few weeks.
Request update
1000x350x40mm
Sawn
Availability: Coming Soon
15 pallets are currently at sea and expected to arrive in a few weeks.
Request update
1000x350x40mm
Sawn
Availability: Coming Soon
15 pallets are currently at sea and expected to arrive in a few weeks.
Request update
1000x350x40mm
Rock Faced
Availability: Coming Soon
15 pallets are currently at sea and expected to arrive in a few weeks.
Request update
1000x350x40mm
Sawn
Availability: Coming Soon
15 pallets are currently at sea and expected to arrive in a few weeks.
Request update