PRODUCT DESCRIPTION. Defender Water Based Sealer 5L is a professional-grade, water-based impregnating sealer designed to provide long-lasting protection for a wide range of porous building materials. Ideal for use on concrete, masonry, sandstone, cement, and clay products, this advanced formula delivers powerful water repellency without altering the surface’s natural appearance. Its vapour-permeable composition allows trapped moisture to escape, preventing damage from within while guarding against rain, salts, and environmental contaminants. UV-stable and non-yellowing, Defender Water Based Sealer 5L is safe for indoor and outdoor applications and environmentally friendly with low VOC content
KEY BENEFITS. Delivers exceptional water repellency against rain, salts, and pollutants. Prevents surface deterioration such as cracking, spalling, and corrosion. Dries clear – maintains the original look and texture of treated surfaces. Vapour-permeable – allows surfaces to breathe and reduces moisture-related damage. UV-stable and non-yellowing – ideal for direct sunlight and outdoor exposure. Low VOC and water-based – safe for people, pets, and the environment
FOR USE ON. Construction-grade concrete. Cement render. Masonry. Sandstone. Clay bricks and pavers. Interior and exterior porous surfaces.