Ferroblock R™
Engineered for Smarter Construction
8x8x16" CMU Block • 2 Hole Design Only

Ferroblock R™
8x8x16 · 2 Hole · Factory Stock
Palletized and Ready
For Your Jobsite
Each pallet is stretch-wrapped and staged at our distribution yards across the Rio Grande Valley. Bulk orders are ready for same-week delivery to your construction site.
Available Exclusively in
8×8×16" — 2 Hole Configuration
Ferroblock R™ is a high-performance concrete masonry unit engineered for commercial-grade construction. Manufactured using premium Cemex cement and regionally sourced aggregates, designed for durability, thermal efficiency, and fire resistance.
Premium by Design
Fire Resistant
Engineered to withstand extreme temperatures, exceeding commercial fire-resistance standards.
Commercial Grade Strength
Tested under rigorous load-bearing conditions for multi-story and heavy-use applications.
Thermal Efficiency
Dual-cavity design creates natural insulation, reducing heating and cooling costs significantly.
Cemex Cement Quality
Manufactured exclusively with premium Cemex portland cement for guaranteed consistency.
RGV Tested
Every batch is tested by Estrata Laboratories in the Rio Grande Valley before shipment.
Regionally Sourced
Aggregates are sourced locally, reducing carbon footprint and ensuring material traceability.
Manufactured with Cemex CPC 40
Cemento Portland Compuesto — meeting NMX-C-414-ONNCCE standards for structural concrete and high-strength applications.
Key Technical Specifications
High Workability
Provides excellent cohesiveness, making the mixing, placing, and finishing process much easier on every pour.
Versatility
Compatible with all traditional construction materials, admixtures, and aggregates used in residential and commercial projects.
Controlled Heat of Hydration
Generates less heat compared to CPO 40, significantly reducing the risk of thermal cracking in thick structural elements.
Recommended Applications
Foundations, columns, slabs, precast elements, pavements, and structural concrete for residential and commercial housing.
Built to the
Highest Standard
Every Ferroblock R™ unit is produced under strict quality controls, tested by independent laboratories, and certified for use in residential and commercial structural applications across the Rio Grande Valley.
