





Calstone Pavers. Calstone has serviced Northern California with high quality concrete masonry and landscaping products for more than 60 years. Established in 1948 in San Carlos, Calstone has four manufacturing facilities in operation, Sunnyvale, Galt, San Martin, and Tracy. These centralized manufacturing locations enable us to provide services ...













Unbeatable Quality Since 1947. Calstone has serviced Northern California with high quality concrete masonry, paving stones, walls, outdoor structures and landscaping products for more than 65 years. Established in 1947 in San Carlos, Calstone has four manufacturing facilities in operation, Galt, Gilroy, San Martin, and Tracy.





Calstone has reengineered our permeable pavers and reduced the joint gaps by 35%. The result is a permeable interlocking concrete paving system with joint widths under 3/16" and initial infiltration rates in excess of 150"/hr. "Fine #9" joint rock meets ASTM stone size #9 as approved by ICPI with of the particles passing a #4 sieve.



Calstone. Garden Supply Hardscapes helps make more attractive outdoor living spaces. Call us at (650) 595-1301 or (408) 971-7600 for more information! ... Calstone Pavers. Explore Our Wide Selection of Calstone Landscape Supplies. No matter what size your project is, our team at Garden Supply Hardscapes in San Jose and San Carlos, CA can …







1 Sack. Sq Ft/Pallet. 85-100. 3,400-4,000. LEARN MORE. CALSTONE "FINE #9" JOINT ROCK. Calstone's Fine #9 Joint Rock was specifically designed for our Narrow Joint permeable paving stone. Our Narrow joint permeable system has joint widths of 4mm and initial infiltration rates in excess of 150"/hr. Our Fine #9 Joint Rock must be used to ...



Quarry Stone. Our Quarry Stone selections draw their inspiration from what the Earth geologically provides us. From a natural stone origin, using up to six blended colors, we created nine distinctively blended choices. With this unique custom palette you can create the perfect complement to your landscape and structural finishes.









CALSTONE PAVING STONE JOINT SAND. Calstone Joint Sand has been developed specifically for superior performance on interlocking concrete pavements. Calstone Joint Sand is washed 4 times to remove all of the super-fines, and screened 3 times to remove any oversized particles. Calstone joint sand meets ASTM C-144 as recommended by ICPI.










