Ultragreen™ uses by-products from other manufacturing industry such as fly ash and slag, at a 50% cement replacement. This reduces the overall environmental impact of these industry waste by-products, and reduces the overall carbon footprint of the concrete. Lafarge utilizes Portland Limestone Cement, which results in a 10% reduction in carbon dioxide emissions as compared to regular portland general-use cement.
To minimize our impact on water resources, Lafarge reduces the amount of fresh water consumption by incorporating a percentage of reclaimed water to the concrete. Regular quality control testing ensures there is no impact to the concrete's fresh and hardened properties.
In some Lafarge locations, Ultragreen™ products 30MPa and below contain 20% recycled aggregate, produced from Lafarge’s internal returned concrete and is manufactured right at the plant. This reduces our consumption of natural aggregates and reduces our carbon footprint by eliminating a percentage of the transportation of natural aggregates from source manufacturing gravel pits.
BUILT GREEN® Checklist
This product may help earn points under the following checklist items:
2.1.8 Deck or veranda surfaces (1 point) and/or structure (1 point) made from a third-party certified concrete (i.e. concrete from a source having a third-party certified reclamation plan), or from concrete containing a minimum of 25% supplementary cementitious materials.
2.2.4 Concrete used in home has a minimum supplementary cementing material of 25% (1 point) or 40% (2 points) within the scope of proper engineering practices.
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