Knockout® Outdoor Driveway, Decking & Patio Cleaner is ideal for cleaning concrete driveways / pathways, block paving, patios and decking areas. Contains a surface biocide to kill unsightly Mould, Fungi and Algae from decking, patios and other hard surfaces whilst cleaning general dirt and grime from the surface. Ready to use. Contains <5% cationic and nonionic surfactants.
Coverage: 5-10m² / litre - more than 1 coat may be required.