Mapei Silancolor Primer

Siloxane-Based Breathable Primer for Interior and Exterior Masonry. Mapei Silancolor Primer is a water-based, solvent-free siloxane primer designed to regulate substrate absorption and enhance adhesion before applying Silancolor finishes. Its high-penetration formula consolidates surfaces, ensuring uniform application of topcoats while maintaining breathability. Ideal for both interior and exterior use, it is suitable for environments with limited ventilation.. Key Features & Benefits. Regulates Absorption: Ensures uniform substrate absorption, promoting consistent topcoat application.. Enhances Adhesion: Improves bonding of Silancolor paints and coatings.. Surface Consolidation: Strengthens and stabilizes substrates, reducing dusting.. Breathable & Water-Repellent: Maintains substrate breathability while providing water resistance.. Odourless & Solvent-Free: Safe for use in enclosed or poorly ventilated areas.. Product Details. Packaging: Available in 10 kg plastic drums.. Appearance: Milky white fluid liquid.. Density: Approximately 1.01 g/cm³.. Dry Solids Content: Approximately 12%.. Application Temperature Range: +5°C to +35°C.. Consumption: Approximately 0.10–0.15 kg/m², depending on substrate porosity.. Recoat Time: 12–24 hours, ensuring the substrate is completely dry.. Storage: 24 months in original unopened packaging, stored between +5°C and +30°C.. Application Instructions. Surface Preparation: Ensure surfaces are clean, dry, and free from loose materials, oils, or grease. Repair any cracks or damaged areas with suitable Mapei repair mortars.. Product Preparation: Silancolor Primer is supplied ready to use. Stir thoroughly before application.. Application: Apply evenly using a brush, roller, or spray. Protect the treated surface from rain for at least 12 hours after application.. Drying: Allow the primer to dry completely (12–24 hours) before applying Silancolor finishes.. Limitations. Do not apply on metal surfaces.. Avoid application on damp or uncured substrates.. Do not apply at temperatures below +5°C or above +35°C.. Avoid application if rain is expected within 12 hours.. Cleaning of Tools. Clean all tools and equipment with water immediately after use, before the product dries.