Trojan Masonry Sealer - 15 YR WARRANTY - Made in USA - 1 Gal Eco-Friendly, Penetrating Waterproofing Sealer with 15 YR WARRANTY Non-Toxic, Low VOC, Water Based, Non Yellowing, Non Slippery and No Gloss Perfect for Old or New Masonry, Concrete & Porous Stones Protects Against Wind Driven Rains, Freeze/Thaw and Spalling 200 sq.ft/gal Coverage, Provides Natural Look, Spray On