For use on pre-cast concrete & flagstones We supply the best patio sealer for concrete paving slabs. Smartseal Patio Sealer has been developed to combat the constant problems of staining and weed growth and to enhance the colour and aesthetic appeal of new or mature patio slab. This sealed surface will increase abrasion resistance and also protect the pointing from erosion and weed infestation and provide a barrier to contaminants thereby facilitating easy maintenance. Enhances natural colours of Pre-Cast Patio slabs Easy to apply Patio sealer with sprayer, roller or brush Resists oil and stain penetration BS5750/ISO9000 quality approved Patio Sealer