The National Concrete Masonry Association Education & Research Foundation and Association of Collegiate Schools of Architecture have named 2023 Concrete Masonry Student Competition winners. The program challenged students to use concrete masonry products as the primary material in the design of a Community Commons for indoor or outdoor gathering, play and shelter. Jurors representing the University of Illinois, Universidad de…
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Five earn Concrete Masonry Student Competition recognition
Source: Concrete Masonry & Hardscapes Association, Herndon, Va. The National Concrete Masonry Association Education & Research Foundation and Association of Collegiate Schools of Architecture have named 2023 Concrete Masonry Student Competition leaders. The program challenged students to use concrete masonry products in the design of a Community Commons for indoor or outdoor gathering, play and shelter. Jurors representing the University…
Read MorePrometheus bio-concrete aces leading sound absorption test
Sources: Prometheus Materials, Boulder, Colo.; CP staff Prometheus Materials, developer of bio-cement and bio-concrete technology debuting in molded, dry cast products, reports strong performance of 2-in. thick specimens subjected to ASTM C423-23, Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method. Testing at the Johns Manville Technical Center in Littleton, Colo., determined that the…
Read MoreCMHA honors safety performance across block & paver value chain
Sources: Concrete Masonry & Hardscapes Association, Herndon, Va.;CP staff The Concrete Masonry & Hardscapes Association has named 2022 Safety Award recipients: 158 block, paver or manufactured stone veneer producers, allied manufacturers or suppliers, and contractors or installers. The annual program honors CMHA members demonstrating a commitment to the well-being of their employees and work environment. Participants earn awards by submitting…
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Blair Block starts up CarbonBuilt-equipped CMU production line Childersburg, Ala.-based Blair Block is the premier operator to adopt the carbon dioxide-capturing and -mineralizing technology of CarbonBuilt, enabling promotion of concrete masonry units whose embodied carbon characteristics are 70-100 percent lower than traditional blocks. The CarbonBuilt technology replaces most of the portland cement typically used in CMU mix designs with a…
Read MoreBlock-Lite, CarbonBuilt prepare for carbon dioxide-to-concrete first
The 4 Corners Carbon Coalition has awarded $150,000 to Arizona concrete masonry producer Block-Lite, plus California partners CarbonBuilt of Los Angeles and Aircapture LLC of Berkeley, to develop the world’s first fully-integrated direct air capture (DAC)-to-concrete assembly. Based at the producer’s Flagstaff plant, the project has the potential to yield market rate block exhibiting 70 percent lower embodied carbon versus…
Read MoreMIT CSHub reviews carbon uptake mechanisms in concrete
Sources: Massachusetts Institute of Technology Concrete Sustainability Hub, Cambridge; CP staff The process by which cement-based products sequester carbon dioxide is key to understanding the life cycle impacts of the world’s most widely subscribed building material. In a three-point question & answer sequence, MIT Concrete Sustainability Hub Deputy Director Hessam AzariJafari describes how CO2 uptake is a key lever in the…
Read MoreConcrete Masonry Checkoff Board seeks full-time chief executive
Sources: Concrete Masonry Checkoff Board, Washington, D.C.; CP staff
Read MorePrometheus Materials’ bio-concrete masonry units clear ASTM C129, C90
Sources: Prometheus Materials, Boulder, Colo.; CP staff Prometheus Materials, developer of a micro-algae binder alternative to portland cement, has proved the efficacy of its material in concrete masonry units, successfully testing specimen blocks to ASTM C129-22, Standard Specification for Nonloadbearing Concrete Masonry Units and C90, Standard Specification for Loadbearing Concrete Masonry Units performance requirements. “We are thrilled to have achieved…
Read MoreApples-to-apples carbon metrics anchor steel interests’ Buy Clean position
The American Institute of Steel Construction’s new “Buy Clean Guidance for Structural Steel Products” informs federal, state and local policymakers of the load-bearing solutions that mills, fabricators and contractors bring to sustainable design. By navigating steel industry intricacies, it helps users take full advantage of the structural product supply chain, accurately determine embodied carbon factors, and make informed decisions based…
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