
Mosaic
Cobbles are the oldest paving idea there is and still the most durable one for vehicle traffic. These are natural Egyptian stone, tumbled so the edges soften and the faces take on a worn character before they are ever laid.
That pre-worn quality is the practical argument. Dust and heat punish smooth exterior floors, and a polished or honed surface outdoors shows every mark it collects; a tumbled cobble field starts worn, so what would read as damage on a smooth floor reads as patina here.
Use it for driveways, courtyards, garden paths, tree surrounds and the transition zones where a building meets its landscape. It also solves a problem no large-format stone can: an irregular field absorbs level changes and awkward geometry that would force cuts and mitres in a slab layout.
| Water absorptionASTM C 97 | 0.28 % |
|---|---|
| Bulk specific gravityASTM C 97 | 2780 |
| Modulus of ruptureASTM C 99 | 2500 psi |
| Compressive strengthASTM C 170 | 26100 psi |
| Abrasion resistanceASTM C 241 | 48.6 Ha |
| Flexural strengthASTM C 880 | 2300 psi |
Typical values for this stone. Natural stone varies between beds and blocks — ask us for the current test sheet before you specify.