Perhaps the first thing to say about block or flag paving is that contrary to popular belief it is not a maintenance free fit and forget solution.
In fact ALL paving requires cleaning and maintenance to keep it looking fresh and tidy. Hard wearing as these surfaces are, foot/vehicle traffic, wind borne dirt and the weather all contribute to the general "wear and tear" on their appearance.
We say it is low maintenance rather than no maintenance. In other words it does not need cleaning as often as the lawn needs mowing but some annual maintenance is advisable. The good news is that if you follow the directions below, maintaining it in successive seasons will be a lot easier:
1. Block Paving