Silway 714 water repellent is a water-dilutable solution of potassium methyl siliconate designed to impart water repellency to a wide variety of surfaces. Supplied at a concentration of 42 percent in water. Silway 714 water repellent reacts with carbon dioxide in the air to form am insoluble water-resistant treatment within 24 hours. KEY FEATURES: * Reduce water absorption into the substrate, thus reducing spalling due to freeze-thaw and efflorescence, thereby increasing the life of the substrate. * Colorless and non-yellowing protection preserves the natural appearance of the substrate. * Penetrating and breathable * Low VOC * Nonflammable