3500 PSI

3500 PSI 3/8" RK 70/30 is a concrete mix with a design strength of 3500 PSI and 3/8-inch rock aggregate, using a 70/30 sand-to-gravel ratio. This mix provides enhanced strength compared to 2500 PSI options and is commonly used for sidewalks, driveways, foundations, commercial slabs, and municipal projects.

Ideal for public and commercial infrastructure applications, 3500 PSI concrete delivers reliable durability and structural performance for moderate-load structures. Suitable for pedestrian areas and general concrete installations, with compliance to California construction standards ensuring consistent quality and reliability.