Calculating Sub-Base Compaction: Sizing Crushed Rock vs. Screened Sand for Interlocking Pavers
For interlocking pavers, use compacted crushed rock or Class 2 base as the structural layer, then add about 1 inch of screened bedding sand before setting the pavers. A walkway or patio usually needs 4 to 6 inches of compacted base, while a driveway or vehicle area usually needs 8 to 12 inches. Compact crushed […]