Fast-Acting, No-Scrub Cleaner for Patios, Driveways, Decking & Outdoor Surfaces EVERBUILD Patio Wizard is a fast-acting surface treatment formulated to eliminate green mould, algae, and biofilm from outdoor surfaces—without the need for scrubbing, rinsing, or pressure washing. Once dry, it is safe for children and pets, and leaves no residual staining or surface damage. Ideal for restoring hard surfaces including patios, block paving, fencing, and outdoor furniture. Key Features & Benefits No scrubbing or rinsing required: Simply apply and allow to dry Safe for pets and children (once dry): Non-acidic, bleach-free formula Versatile use: Effective on concrete, brick, stone, wood, tarmac, uPVC, and more Excellent as a pre-treatment: Prepares surfaces before painting, sealing, or coating Approved for UK & Ireland: HSE (COPR) and DAFM compliant Application Instructions Dilute: Mix 1 part Patio Wizard with up to 9 parts clean water Apply: Use a garden sprayer, watering can, paintbrush or broom Coverage: Approx. 3–6 m² per litre of diluted solution Do not rinse: Allow to dry naturally for best results Reapply if necessary: Repeat after 7 days for heavy build-up or persistent growth Performance Timeline & Aftercare Visible results in 24–48 hours: Green algae and mould begin to disappear within 1–3 days No pressure washing required: Surfaces improve naturally with exposure to air and weather Preventive maintenance: Reapply every 6–9 months to help prevent regrowth Compatible surfaces: Patios, driveways, fencing, concrete, brick, timber, and uPVC Not suitable for: Use near ponds, lawns, live plants or where runoff enters watercourses Technical Specifications Pack Sizes: 1L and 5L Yield: Up to 300 m² per 5L container when diluted 1:9 Shelf Life: 2 years from manufacture (unopened) Storage: Store between 5°C and 30°C in original container; protect from frost Safety & Environmental Information Contains quaternary ammonium compounds Causes severe skin burns and eye damage Very toxic to aquatic life with long-lasting effects (H410) Wear gloves, protective clothing and eye protection during use Do not apply in rain or near water drains, ponds, or plants Dispose of unused product and containers responsibly, in line with local regulations