Roundup Concentrate Extended Control Weed & Grass Killer Plus Weed Preventer's dual-action composition guarantees that existing weeds are killed down to the root! It also prevents fresh weed growth for up to four months. Roundup Extended Control can also be applied to roads, sidewalks, and patios, as well as fences, foundations, curbs, retaining walls, and grass edges, as well as decorative rock or gravel areas. Simply pour in 6 fl. oz. In a Roundup Brand Premium Sprayer, mix 1 gallon of concentrate with 1 gallon of water. After 30 minutes, you'll be rainproof, with visible results in 6 hours. Roundup is effective. Fast.

Specifications: 

• Dual-action formula kills existing weeds and prevents new ones from growing for up to 4 months
• Kills weeds to the root. Guaranteed!* *Consumer Guarantee: If for any reason you are not satisfied after using this product, simply send us original proof of purchase and we will refund the purchase price.
• Use on driveways, sidewalks, and patios; along fences, foundations, curbs, retaining walls and edge of lawns, as well as on decorative rock or gravel areas
• Rainproof in 30 minutes
• Visible results in 6 hours