Smartseal 'Block Magic' – A Re-colouring Block Paving Sealer. Superior to a Concrete Paint - Transform Old Block Paved Drives or Patios - Easy to Apply (150 ml Sample Black) : Amazon.co.uk:
Block Paving Sealer - High Gloss Finish Block Paving Seal Sealant (20 litres) : Amazon.co.uk: DIY & Tools