Standard Concrete Paver & Patio Block Dimensions Chart
Whether purchasing precast interlocking units or retail patio blocks from Menards, Lowe’s, or Home Depot, unit dimensions dictate coverage factors and pallet logistics:
| Paver Style | Dimensions (W x L x H) | Units / Sq Ft | Pallet Coverage | Primary Best Use |
|---|---|---|---|---|
| 4" x 8" Holland Stone | 4" x 8" x 2-3/8" | 4.50 | 450 units (~100 sq ft) | Walkways, patios, herringbone vehicular driveways |
| 8" x 16" Patio Block | 8" x 16" x 2" | 1.125 | 144 units (~128 sq ft) | Utility pads, AC condenser bases, budget shed flooring |
| 12" x 12" Stepping Stone | 12" x 12" x 1.5" | 1.00 | 120 units (~120 sq ft) | Backyard pathways, garden walkways, dog kennel runs |
| 16" x 16" Large Paver | 16" x 16" x 2" | 0.56 | 72 units (~128 sq ft) | Modern geometric outdoor living rooms, poolside decks |
| 24" x 24" Architectural Slab | 24" x 24" x 2" | 0.25 | 28 units (~112 sq ft) | Commercial terraces, rooftop plazas, contemporary flat spans |
The 5 Layers of a Long-Lasting Interlocking Paver System
Pavers rarely fail from broken concrete; they fail because of inadequate excavation depth or improper sub-base compaction. Follow these five ICPI structural steps:
- Compacted Subgrade Soil: Excavate 7 inches below final grade for walkways (11 inches for driveways). Compact native soil with a vibratory plate compactor.
- Woven Geotextile Fabric: Lay commercial separation fabric over the subsoil to prevent aggregate base rock from sinking into soft native clay during seasonal freeze-thaw cycles.
- Crushed Aggregate Base (4"–8"): Install dense-graded crushed stone (#21A / road base). Compact in 2-inch lifts to 98% Standard Proctor density.
- Screeded Bedding Sand (1" Uniform): Pull a 1-inch thick uncompacted layer of coarse washed concrete sand (ASTM C33) using 1-inch EMT conduit pipes as screed rails. Never walk on screeded sand.
- Interlocking Pavers & Polymeric Sand: Place pavers, install commercial edge restraints with 10-inch steel spikes, sweep dry polymeric sand into joints, and vibrate with a plate compactor protected by a rubber mat.



