Westerland Fibre-Cement Slate 600mm x 300mm Graphite

Get the authentic look of natural slate with the consistency and practicality of a premium fibre cement product. Swisspearl Westerland 600 x 300mm in Graphite features a finely textured (riven) surface and natural dressed edges that closely replicate the character of traditional slate.

Manufactured from Portland cement blended with high-quality synthetic and cellulose fibres (asbestos-free), these fully compressed and pigmented slates are finished with a durable semi-matt acrylic coating. The result is a high-performance roofing slate that combines traditional aesthetics with modern reliability.

Key Benefits

• Natural slate appearance – Attractive riven surface and dressed edges deliver a traditional, authentic look.
• Lightweight & easy to handle – Approx. 1.3 kg per slate for faster installation and reduced structural load.
• Pre-holed – Ready for quick fixing with copper or aluminium nails and disc rivets.
• Easy to cut – Can be cut on-site with standard hand tools – no power tools or dust suppression required.
• No grading needed – Consistent size and thickness eliminate the sorting required with natural slate.
• Durable performance – Class B strength (highest under EN 492), non-combustible (A2-s1,d0 fire rating), excellent weather resistance.
• BBA Certified – Independently assessed for long-term performance and durability.
• 30-year product warranty (plus colour warranty on many ranges).

Specifications

• Size: 600 mm x 300 mm
• Thickness: 4 mm
• Colour: Graphite
• Minimum pitch: 20–25° (depending on exposure and detailing)
• Installed weight: Approx. 20.4 kg/m²
• Fire rating: A2-s1,d0

Ideal for new builds, re-roofs and refurbishment projects where a traditional slate appearance is required without the higher cost, weight or variability of natural slate. Suitable for residential, commercial and public buildings.

Always install in accordance with BS 5534 and Swisspearl’s fixing recommendations using copper nails and disc rivets. Full technical data and installation guidance available from the manufacturer.