RainGuard Advanced Waterproofer is an invisible clear penetrating water repellent that is non-yellowing, low odor, zero VOC, and non-toxic.It is formulated to not be affected by weathering, salt, dirt, freezing temperatures, UV light, and wind-driven rain, among many other damaging elements.It dries down to a clear, invisible finish that does not change the surface texture or color.Ideal for use on uncoated/unpainted, vertical/horizontal, interior/exterior surfaces such as: concrete, brick, pavers, wood, porous natural and artificial stone, masonry, unglazed/unpainted porous tile, and color integrated or unpainted stucco.Features & Benefits Deep penetrating 100% breathable water repellent for vertical and horizontal, interior and exterior, concrete and masonry surfaces At least two coats of sealer needed, depending on surface porosity Apply using a hand held garden sprayer or airless paint sprayer - do not atomize or “mist” product Stain resistant to oil, gas, and anti-freeze for outstanding protection Protects surface for up to 1 year - simply apply a single additional coat each year Available in concentrate and super concentrate formulas6 oz super concentrate - makes 1 gallon32 oz concentrate - makes 5 gallons