Roadware’s 10 Minute Concrete Mender is a thin compound formulated to penetrate any moisture, frost, surface grime, or dust to establish a permanent interface with the base concrete. The patched area is ready for traffic in 10 minutes. Developed by NATO for the rapid repair of bomb-damaged runways, Concrete Mender can be used to penetrate hairline cracks or may be extended 3:1 with manufactured sand. It is USDA approved for use around foodstuffs. Call Roadware, Inc. direct at (800) 522-7623.