Extreme Clean Stone & Render Wash

Extreme Clean Stone & Render Wash is a high-performance cleaning solution formulated for removing deep-set dirt, organic growth, algae, and stains from stone and render surfaces. Perfect for use on facades, driveways, monuments, boundary walls, and patios, this product is engineered to clean without damaging delicate substrates.

Unlike acidic cleaners, this render-safe solution penetrates and lifts stubborn deposits without the risk of corrosion or discoloration, making it ideal for use on natural stone, concrete render, and brickwork. Whether you’re maintaining a modern rendered building or restoring historic stonework, this wash delivers exceptional results safely and efficiently.

Uses and Surface Compatibility

Suitable for cleaning:

• Stone cladding and render walls
  

• Brick and blockwork
  

• Driveways and garden paths
  

• Garden statues, fountains, and masonry
  

• External facades and gables
  

• Roof tiles and coping stones
  

Safe on:

• Natural stone (e.g., limestone, sandstone, granite)
  

• K-Rend and Monocouche render
  

• Precast concrete and masonry
  

• Decorative architectural elements (test first on delicate surfaces)
  

Compatible Products

• Soft-bristle masonry brush
  

• Low-pressure sprayer for even application
  

• Jet wash (optional) for rinsing
  

• Extreme Clean Patio Cleaner (for follow-up surface care)
  

Special Properties

• Non-caustic and non-acidic
  

• Deep cleaning with fast visible results
  

• Eco-safe biodegradable formulation
  

• Reduces maintenance cycles on rendered properties
  

• Suitable for residential and commercial use
  

Coverage Rate

• Approximately 5–8 m² per litre depending on surface condition and porosity
  

• Available in 5L and 20L containers
  

Reaction Time

• Let the product sit on the surface for 10–20 minutes before rinsing
  

• Agitate with a brush on heavily soiled areas for better results
  

• Repeat if necessary for aged stains
  

Storage Precautions

• Store in a cool, dry place away from frost and direct sunlight
  

• Keep the container tightly sealed when not in use
  

• Shelf life: 12–18 months (unopened)
  

Surface Preparation

• Remove loose dirt and debris before application
  

• Always test on a small, inconspicuous area first
  

• Wear gloves and safety eyewear during use
  

• Avoid contact with plant life – rinse off surrounding greenery immediately if overspray occurs