Round up on brick

[sdgoes]

I need to kill grass coming up in a brick driveways and walkways. They are either regular brick or those shaped bricks ***stone I don't remember the name. Will roundup stain or discolor them?<br>Thanks,<br>Steve

[HOMER]

I've never seen any stains from using it on expansion joints in sidewalks, si I guess it wouldn't.<p>Homer

[TPC]

NOT AT ALL,,,i do it all the time

[Dingo]

The die you add to some sprays i think its called (sticker?) does it stain and where can you get it at?<br>thanks<br>Dingo