HeidelbergCement earns Sustainably Managed Companies ranking

sustainability report cover

Sources: CP staff; Wall Street Journal Lehigh Hanson Inc. parent company HeidelbergCement AG ranks 37 among 100 Sustainably Managed Companies that the Wall Street Journal recognizes in its October 14 edition. The concrete, aggregate and cement giant scores 73.2 overall on a list where such scores range from 78.8 (#1, Sony) to 71.1 (#100, International Paper). HeidelbergCement ranks in upper and lower quartiles…

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PCA programs portland-limestone cement promotion

carbon calculator

Sources: Portland Cement Association, Washington, D.C.; CP staff PCA’s just-launched microsite, www.greenercement.com, supports the use of portland-limestone cement (PLC), which performs in concrete at levels comparable to Type I portland cement, but exhibits a greenhouse gas emissions profile up to 10 percent below clinker-only powder. The site accesses a calculator where design and construction professionals can input building size or…

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LafargeHolcim rebrands blended cements, calls for A/E/C carbon action

Sources: LafargeHolcim, Chicago; CP staff Responding to demand for construction materials performance and sustainability, market leader LafargeHolcim has rebranded its U.S. blended cement and supplementary cementitious materials portfolio as Envirocore Series—led by OneCem Portland Limestone, MaxCem Blended and NewCem Slag Cements. Concurrently, it calls on architectural, engineering and construction (A/E/C) interests, along with their concrete suppliers, to adopt more sustainable…

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Investment syndicate strengthens CarbonCure ties to Amazon, Microsoft

rendering Amazon HQ2 project

Sources: CarbonCure Technologies, Halifax, Nova Scotia; CP staff A funding round for CarbonCure Technologies, developer of carbon dioxide-based processes for optimizing portland cement and compressive strength development in concrete, has once again attracted principals or affiliates of top technology brands. 

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Chryso, Solidia aim to drive concrete carbon factor down

Sources: Chryso Group, Paris; Solidia Technologies, Piscataway, N.J.; CP staff

A new partnership will see admixture specialist Chryso and low carbon cement and concrete developer Solidia Technologies leverage their chemical expertise to improve the sustainability performance and material properties of the latter company’s namesake precast products. 

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Carbon neutral-minded concrete, cement leaders unveil ‘2050 Climate Ambition’

Sources: Global Cement and Concrete Association, London; CP staff

Forty leading cement and concrete companies envision a 30-year route to carbon neutrality in “2050 Climate Ambition,” billed as the first statement of its kind on driving down the carbon dioxide footprint of the world’s most used man-made material.

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LafargeHolcim grows EPD library, shrinks concrete and cement carbon intensities

Sources: LafargeHolcim, Chicago; CP staff

To address calls for streamlining embodied carbon in private and public work, LafargeHolcim plans to issue Environmental Product Declarations (EPD) covering shipments from its U.S. Aggregates and Construction Materials (ACM) and Cement businesses. It will enlist top auditors and EPD Program Operators to prepare, verify and host a library of ready mixed concrete or cement declarations abiding the latest criteria for quantifying carbon dioxide emissions throughout raw material, processing, delivery and finishing phases. 

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“Concrete Credentials” podcast suits A/E/C, owner, developer audiences

Source: National Ready Mixed Concrete Association, Alexandria,Va.; CP staff

A new National Ready Mixed Concrete Association podcast will feature experts from design, development, construction and related sectors on the benefits of specifying concrete for buildings and transportation infrastructure. Executive Vice President, Structures and Sustainability PE, SE, LEED AP Lionel Lemay kicks off the series July 23 discussing issues impacting the concrete and construction industries, including sustainability efforts that are among the organization’s most important goals.

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Lehigh issues first EPD based on Cement Product Category Rule 2.0

Lehigh Hanson, Inc., Irving, Texas; CP staff

Lehigh Cement has published the industry’s first Environmental Product Declarations (EPD) utilizing the new North American Product Category Rule (PCR) for Portland, Blended, Masonry, Mortar, and Stucco Cements. The latter document enables Lehigh and fellow Portland Cement Association and Cement Association of Canada members to tailor EPD to sustainability and green building practitioners’ increasingly robust transparency standards.

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CalPortland blended cement series clips carbon dioxide load

Sources: CalPortland Co., Glendora, Calif.; CP staff

The two charter offerings in a new CalPortland line of blended portland-limestone cements (PLC) have an embodied carbon level about 10 percent below that of common ASTM C 150 materials. ADVANCEMENT LT (Light) is a lighter colored, higher albedo Type IL PLC suiting concrete in design and architectural conditions. ADVANCEMENT HS (High Sulfate) is formulated for general use concrete or when high sulfate resistance is required. 

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