How to lay permeable block paving | Bradstone
Step 2: Install a haunched kerb to sides that are not already edged. The. haunch to the front of the kerb should be a minimum of 25mm below the. finished level of the base of the paving with a gap left between the kerb and. the block for filling with jointing aggregate when completed. Step 3: Lay a suitable geotextile to the base and sides of ...