Texcrete Silicone-based Water Repellent is a clear, water-repellent sealer that produces a breathable barrier on masonry. This barrier prevents chlorine penetration and reduces cracking, dirt pickup, efflorescence and damage from freezing/thawing cycles. Because it is clear, the sealer penetrates deep into substrates without changing their appearance. Clear, invisible barrier Protects vertical and horizontal surfaces Alkali resistant Odorless Non-flammable VOC compliant Available Sheens: N/A Available Colors: Clear Cleanup: Water Resin Type: Silicone Recommended Use: Interior or exterior