An effective driveway cleaner and block paving cleaner for best results when pressure washing driveways. To be diluted at a ratio of approximately 1:5. More Features & Benefits Converts oil into harmless CO2 and water. Contains Euro Type 1 bacteria non-pathogenic and harmless to humans. Not flammable, combustible or corrosive. Fully biodegradable: > 90% in 28 days. For Oil Removal use at 4% dilution. Not classified as hazardous at recommended dilutions. Refer to the Product Data Sheet (downloadable from the "Data Sheets" tab above) for more information on: Technical Data Surface Preparation Mixing Application Conditions Average Drying Times Application Equipment Health & Safety Information Warranty