The outstanding non-slip properties of our flexible interlocking paving stones make them highly recommended for use in stable walkways. And they look great too. Size: 20 cm x 16.5 cm (each stone) Thickness: 43 mm Colour: reddish-brown or black Upper surface: open pore structure, compressed incl. fibres Underside: open pore structure, compressed incl. fibres Half-stones and edges also available Subsurface: Can be laid on concrete, concrete paving or a bed of gravel / chippings (firm and level). There should be a slope of around 2-3 % and a drain. We recommend fixings around the edges (e.g. wooden or aluminium rail) to prevent slipping.
