Kota Blue Limestone Paving Sawn Edge 900x600 22mm Cal. From £21.29/m2Kota blue limestone paving slabs have attractive colour and elegant appearance, it's relatively smooth and flat but not slippery, also have excellent abrasion resistance, staining resistance, and the UK weathering resistance for the garden space. Our Kota blue limestone paving slabs 900x600 are produced with a consistent depth of 22 mm calibrated which makes them easy to lay quickly, saving both time and cost. We also supply Kota blue limestone