Trottoirstenen

Trottoirstenen are paving stones used to construct sidewalks in Dutch-speaking regions, particularly in the Netherlands and Flanders. They are typically made from natural stone such as granite, limestone, or sandstone, or from concrete. The stones are usually rectangular or square and laid in rows or specific patterns, set in a base of sand or mortar. Joints between the stones are commonly filled with sand, cement mortar, or other filler materials to create a stable, even surface for pedestrians.

Historically, trottoirstenen became widespread during periods of urban modernization in the 18th and 19th centuries, offering a durable and repairable alternative to earlier street surfaces. In the second half of the 20th century, many municipalities shifted to asphalt or concrete slabs to reduce maintenance and improve accessibility, leading to a decline in new installations outside historic districts. In contemporary practice, trottoirstenen are often preserved in or restored to preserve the historical character of city centers, while some modern projects use traditional stone patterns as decorative or heritage features.

Maintenance and challenges include ensuring a level surface, preventing uplift from tree roots, and addressing freeze-thaw damage. Repairs may involve re-laying individual stones, re-pointing joints, or replacing sections to match historical appearances. Trottoirstenen stand in contrast to road-oriented pavements and reflect traditional material choices, craftsmanship, and urban design preferences that persist in cultural heritage areas.