Low Embodied Energy

Concrete masonry units (CMU), ICPs, segmental retaining wall (SRW), units and Proto II™ Post Tensioned Masonry are low in embodied energy (EE). Cement, in itself relatively high in EE, is only a fraction of the composition of these materials and systems.

• CMU contain less cement in the mix design than an equal volume of poured-in-place concrete
• Proto II™ fence wall designs and portions of retaining wall designs do not require grout and utilize more efficient footings. Thus, their EE is less than conventional designs, and Proto II™ fence walls are approximately 88% less than vinyl fencing in EE.
• Angelus paving stones contain recycled aggregate that reduces virgin cement consumption by 18% - 20%.
• Our cement supplier has demonstrated leadership in its energy efficiency strategy, earning multiple ENERGY STAR Sustained Excellence awards. The producer has an extensive recycling program for both materials and use of alternative fuels, removing thousands of tons of materials and millions of auto tires from the waste stream, and investing in wind power on its own property.

Angelus concrete products are considerably lower in EE relative to other materials used for similar construction. For example, steel for studs is very high in EE, and the many layers of additional elements needed for the complete wall - many of which are also very high in EE - compound the energy consumption. Wood's EE is less than steel, but still requires multiple layers of EE intensive components to create the overall structure.