Castle Composites Flat Sandstone Coping Stone

Our sandstone coping stones cap off walls, parapets and garden features with a crisp pencil rounded edge and a slim 25mm profile, cut from genuine natural sandstone in Kandla Grey, Sagar Black or Mint, and sized at 150 x 600mm or 300 x 600mm to suit the run. It's a small finishing touch that makes a huge difference, protecting the structure beneath while topping it off in style, all backed by a 10 year warranty and a 30+ year life expectancy. Why Choose the Castle Composites Flat Sandstone Coping Stone? High-quality natural sandstone for a luxurious appearance Pencil rounded edge for a smooth, refined profile Slim yet durable 25mm thickness Integrated drip channels on the underside for effective water runoff Available in two sizes to suit different wall widths Available in Kandla Grey, Sagar Black, and Mint Weather-resistant and built for long-term outdoor use Backed by a 10 year warranty and 30+ year life expectancy Suitable for both commercial and residential installations Matching pier caps are available, fully rounded to create a seamless finish Can easily be sealed using a suitable stone sealant Product Specifications: Dimensions Length: 600mm Width: 150mm & 300mm Thickness: 25mm Edge Profile: Pencil rounded (bullnose) on exposed edges Underside Detail: Continuous drip channels Weight, Warranty & Life Expectancy 150 x 600mm ;Weight: 6kg | Warranty: 10 years | Life Expectancy: 30+ years 300 x 600mm Weight: 12kg | Warranty: 10 years | Life Expectancy: 30+ years Material Characteristics Stone Composition: Natural sedimentary sandstone Colour: Kandla Grey, Sagar Black & Mint Surface Finish: Riven top surface Edge Finish: Pencil rounded edge Underside Finish: Sawn with machined drip grooves Drip Channel Details Quantity: 2 longitudinal channels Position: 20mm from edge, parallel to long edges Channel Width: Approx. 5mm Channel Depth: Approx. 5mm Function: Prevent water tracking onto wall face Manufacturing Tolerances Length & Width: ±3mm Thickness: ±2mm Straightness: ±2mm over full length Performance Density: 2,200–2,400 kg/m³ Water Absorption: ≤6% Frost Resistance: Suitable for exterior use Durability: High - suitable for external exposure Please note: Sandstone coping stones are manufactured from natural stone. As a result, variations in colour, shade, veining, texture, and surface markings are an inherent characteristic of the material.