Kota Blue Limestone Paving Patio Packs, Sawn Edge 22mm Cal. From £21.19/m2Kota Blue Limestone Paving Patio Packs Slabs have a very uniform appearance, it's relatively smooth but not slippery and flat and has an "orange peel" type of look to its surface. The texture is very tactile and "grippy". Don't forget too that the Kota blue limestone paving slabs are produced with a consistent depth of 22mm calibrated which makes them easy to lay quickly saving both time and cost. We also supply Kota blue limestone 900x600 and Kota