You should pull up and remove weeds by hand as and when they appear. If it is a regular problem, you might need to reseal the paving. In extreme cases, the sub layer itself may need to be re-laid. You can use weed killer, however some paving can be discoloured by stronger weed killers.
Coldstream
Coldstream is a community as well as civil parish in the Scottish Borders location of Scotland. A previous burgh, Coldstream is the residence of the Coldstream Guards, a routine in the British Army. Coldstream lies on the north bank of the River Tweed in Berwickshire, while Northumberland in England lies to the south financial institution, with Cornhill-on-Tweed the closest town. At the 2001 census, the town had a population of 1,813, which was estimated to have actually risen to 2,050 by 2006. The parish, in 2001, had a population of 6,186.