Designed for Freeze-Thaw Durability and Rooftop Solar Panel Racking Systems
CMU Ballast blocks are specifically designed for freeze-thaw durability, and to work with the racking systems of rooftop solar panels. Jandris Ballast CMU conform to ASTM C1884.
Normal Weight CMU Approximate Density: 135–136 lbs/cuft.
Whether you need product specs, samples, or help choosing the right block — we’re here.
Whether you need product specs, samples, or help choosing the right block — we’re here.