The Barrettine DECL004 4L Knockout Driveway, Decking & Patio Cleaner made for cleaning patios, decking areas, concrete driveways/pathways and block paving. Kills unsightly Mould, Fungi and Algae from decking, patios and other hard surfaces whilst cleaning general dirt and grime from the surface. Drying times leave to dry for 24 hours to maximize biocidal effect before adding a top coat.

• An effective cleaner to remove and control mould, algae and fungi
• For use on timber, concrete, stone, brick, plaster and tiles
• Suitable for exterior and controlled interior use
• Water-based
• Low odour
• Low VOC