• Durability.  Masonry provides a strong and durable structure, withstanding both routine natural wear as well as extraordinary impacts of natural and human disasters.
• Energy efficiency. Because the thermal mass in CMU evens out daily temperature swings and because of their moisture resistance, concrete masonry homes have been most popular in the southern regions of the U.S. where buildings are subject to significantly warm and humid climatic conditions. Nonetheless, though the results may be less dramatic, the significant benefits of thermal mass can be experienced in most climatic regions in the U.S. May contribute to LEED Credit EA 1.
• Indoor Environmental Quality. CMUs offer acoustical comfort and help safeguard indoor air quality due to their moisture resistance.
• Recycled Content. CMU are frequently manufactured with recycled content. Fly ash, slag cement, or silica fume can substitute partially for cement, and recycled aggregates can replace newly mined gravel. Recycled content can contribute to LEED Credit M 4.

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