#4 Limestone Screenings are finely crushed limestone particles, typically less than ¼" in size, designed for compaction and stability. This material is widely used as a base for pavers, patios, sidewalks, and pathways, as well as for backfilling and leveling applications. With excellent binding properties and a smooth finish, #4 Limestone Screenings provide a durable foundation for both residential landscaping and commercial construction projects.