Weeds are bound to pop up on non-lawn areas, like pathways and patios. Control them with Roundup® Ready-To-Use Non-Selective Herbicide with FastAct® Foam. Controls chickweed, Canada thistle, and other grasses and weeds while killing the roots! Use around buildings, trees, shrubs, and other hard-to-mow areas, as well as on hard surface areas like walkways and driveways. Just set the nozzle and spray. FastAct® Foam lets you see precisely where you’ve sprayed for up to 5 minutes. Rainproof in 2 hours. Shows visible symptoms of control in as little as 24 hours.