Brazilian Black Riven Slate Hearth Slab | 1200×900×20mm

Sourced directly from quarries in Espírito Santo, Brazil and imported by container to our UK yards. No middlemen, no showroom markups. This is the same stone the trade buys, available directly to you. Choose your grade Standard Grade Natural riven surface with the tonal variation and character inherent to Brazilian slate. Blue-black colouring with subtle anthracite shifts, occasional pyrite flecks and natural veining. No two slabs are identical. Ideal for traditional and rustic fireplace settings where natural character is part of the appeal. Premium Grade Hand-selected at our Milton Keynes yard for consistency of colour and surface. Tighter tonal range, cleaner face, fewer pronounced natural markings. Every Premium order includes our Free Photo Service — before your slab leaves our yard we photograph it and send you the picture, so there are no surprises on delivery day. Free Photo Service also included on all Standard grade orders where a cutting or finishing service is added. Specification Dimensions: 1200 × 900 × 20mm Material: Brazilian Natural Riven Slate Surface: Natural riven (textured face, calibrated underside) Edge finish: Sawn sides Thickness: 20mm nominal (natural variation ±2mm) Weight: Approx. 28kg per m² including packaging Colour: Blue-black with anthracite tonal variation Origin: Espírito Santo, Brazil Application: Interior fireplace hearths, wood-burning stoves, multi-fuel stoves Our 7-Day Zero-Friction Crack Guarantee If your slab cracks within 7 days of installation (installed within 14 days of delivery), we replace it. No quibble, no charge. No competitor offers this. Suitable for Wood-burning stoves Multi-fuel stoves Gas fire hearths Electric fire hearths Inset and freestanding fireplace installations Not suitable for Open fires where naked flame contacts the surface directly External unsealed applications Installation note We recommend installation by a HETAS-registered installer in accordance with Building Regulations Document J. Lay on a solid concrete base with a full bed of sand/cement mortar (4:1 ratio) or a suitable flexible tile adhesive. Apply a stone oil or colour-enhancing sealer before use to protect the surface and enhance the natural colour. Add a service Our Milton Keynes workshop offers precision cutting and signature finishing. Choose Express (3–5 days) or Standard batched (10–14 days, save 50%). Setup charge waived on orders of 5+ slabs.