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Business Details
Premium Natural Stone Cladding and Facing Stone Solutions
Black Mountain Quarries is a family-owned business established at the foothills of the Black Mountains on the English-Welsh border. With four working quarries across Herefordshire, Monmouthshire, and Cornwall, we specialise in premium natural stone products including sandstone, limestone, slate, and quartzite. Our commitment to combining precision technology with traditional craftsmanship ensures high-quality building, walling, and landscaping solutions tailored to residential, commercial, and public projects.

We collaborate with select UK and Irish quarries, alongside limited overseas partners, to offer an extensive range of stone materials. Our 25-year warranty on cladding slips reflects our confidence in product durability and customer satisfaction. We prioritise sustainable practices, reducing environmental impact through local sourcing and efficient production methods. Our team provides expert guidance, technical support, and nationwide delivery, ensuring seamless project execution from order to installation.
Services
Stone Cladding Slips Traditional Facing Stone Coping Stones Adhesive Mortar Clearance Stone Products Nationwide Delivery Technical Support Custom Stone Solutions
Highlights and features
  • Family-owned business with quarries across the UK and Ireland
  • 25-year warranty on natural stone cladding slips
  • Combines precision technology with traditional stonemasonry techniques
  • Sustainable practices with local stone sourcing
  • Nationwide delivery via Palletways and dedicated fleet
Services
Stone Cladding Slips
Natural stone cladding slips are 15-30mm thick, offering authentic stone aesthetics with reduced bulk. Ideal for interior and exterior walling, they emulate traditional masonry while simplifying installation. Available in rubble, random, semi-coursed, and coursed styles, these slips suit modern construction needs.
Traditional Facing Stone
Full-thickness facing stone provides durable exterior walling solutions. Sourced from UK quarries, it features natural textures and regional colours. Suitable for residential and commercial buildings, it enhances architectural heritage while ensuring longevity and low maintenance.
Coping Stones
Hand-dressed coping stones protect walls from weather exposure. At 40mm thickness, they combine functionality with elegance. Available in sandstone varieties, these stones also serve as paving or step materials for cohesive design.
Adhesive Mortar
ARDEX X77 adhesive ensures secure stone installation. Its flexible formulation suits all tile types, including natural stone. With high yield and extended working time, it simplifies large-scale projects while meeting modern fixing standards.
Clearance Stone Products
Limited-stock clearance items offer cost-effective stone solutions. Includes tumbled slips, slate panels, and granite systems at reduced prices. Ideal for budget-conscious projects requiring premium materials.
Questions
How are stone cladding slips installed?
Apply adhesive to the sawn back and fix individually, using spacers for grouting. Installation resembles tiling for efficient application.
Can stone slips be used indoors?
Yes, they suit interior and exterior applications, providing natural aesthetics and durability for walls and feature installations.
What delivery options are available?
Nationwide kerbside delivery via Palletways. Bulk orders accommodated with our crane-equipped lorries for larger quantities.
Do facing stones require backing support?
Yes, we recommend a structural backing as most stones have one usable face for exterior walling applications.
Are coping stones suitable for paving?
Yes, their calibrated undersides make them ideal for paving, steps, and wall capping with hand-dressed edges.
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