Tactile Blocks are integral paving features that can be felt, if not seen. It has protruding knobs to warn visually challenged pedestrians nearing edges and ramps. It also serves as an effective anti-slip measure when ramps are wet.
Vanstone manufactures Directional Blocks or Warning Blocks that are specified by local authorities.
For shape and pattern, Tactile Blocks comply with SANS 784 Tactile Indicators.
Get copy of SANS code at SABS
National Technical Requirement 1: Pedestrian Crossings