Northern Restoration will help you get your Patio and Driveway looking like new for summer. Block Paving - cleaned, weeded, sanded and re-sealed. Concrete - de-mossed, cleaned and treated . Stone and Brickwork - removed of algae and dirt. Fencing and Decking - cleaned and treated. UPVC and Conservatories - cleaned and polished . Pool Areas -cleaned and tidied.