Solvent-Based, Breathable Water Repellent for Masonry Surfaces. Biokil Crown Water Repellent is a clear, solvent-based treatment designed to protect masonry surfaces from penetrating damp. Formulated with polyoxo aluminium stearate in white spirit, it penetrates deeply into substrates, providing long-lasting protection while allowing the surface to breathe.. Key Features & Benefits. Deep Penetration: Penetrates between 4 and 6 mm into masonry, ensuring effective water repellency.. Breathable Protection: Allows moisture vapor to escape, preventing trapped dampness.. Long-Lasting: Provides up to 10 years of protection with proper application.. Versatile Application: Suitable for use on concrete, roughcasts, renders, sandstone, synthetic stone, bricks, and aerated concrete.. Prevents Biological Growth: Reduces the growth of moss, algae, and lichen by keeping surfaces dry.. Maintains Appearance: Does not alter the color or reflectance of the treated surface.. Product Details. Appearance: Clear liquid.. Base: Polyoxo aluminium stearate in white spirit.. Coverage: Approximately 2–5 m² per litre per coat, depending on substrate porosity.. Packaging: Available in 5L and 25L containers.. Storage: Store in a cool, dry place away from direct sunlight and sources of ignition.. Application Instructions. Surface Preparation: Ensure surfaces are clean, dry, and free from contaminants. Remove any loose material, dirt, or biological growth.. Application: Apply using a low-pressure spray or brush. For best results, allow the fluid to run down the wall with minimal pressure to avoid misting.. Drying Time: Surface dry in approximately 1 hour; fully cured after 24 hours.. Clean-Up: Clean tools and equipment with white spirit immediately after use.. Limitations. Not suitable for use on new or recently pointed work due to high alkalinity.. Do not apply if rain is expected within 24 hours or if temperatures are below 5°C.. Ensure adequate ventilation during application and drying.. Health & Safety. Flammable. Keep away from sources of ignition. Use protective gloves and eye protection during application. Avoid inhalation of vapors. Refer to the Safety Data Sheet (SDS) for detailed information on handling, storage, and disposal.
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