Sources: Sika Corp.,Lyndhurst, N.J.; CP staff Nanotechnology driving deployment of particles far smaller than those typical of cementitious materials augments the latest addition to Sika’s line of concrete admixtures for improving slab on grade performance. A colloidal silica topical agent, SikaCem-190 Concrete Control is spray applied during floating or troweling to maintain adequate moisture and reduce premature set risk. The…
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Low carbon LC3 binder steers Sika’s next admixture chapter
The Swiss parent company of New Jersey-based Sika Corp. will tailor a new family of concrete admixtures and cement additives around the chemistry and behavior of an emerging binder known as LC3, or Limestone Calcined Clay Cement. Through work with Sika AG and peers, Swiss Federal Institute of Technology officials view the material as a means of carbon footprint reduction…
Read MoreSUPERPLASTICIZERS SURVEY
A review of high-range water reducing admixture offerings from key sources demonstrates how polycarboxylate technology remains at the forefront of concrete mix designs and plant or field practice.
Read MoreSika answers permeability with hydrophobic hydrophilic admixtures
The introduction of a powdered, concrete plant-dispensed agent positions Sika Corp. as reportedly the only admixture producer to offer the two core permeability reducing technologies: hydrophilic crystalline and hydrophobic pore blocking. The hydrostatic application-geared WT-240 P is in the former category and meets ASTM C-494 Type S requirements. Its moisture activated compounds produce insoluble crystalline deposits that form within the capillary system. The crystalline formulations have the ability to reduce capillary pore size and prevent water penetration in concrete slabs or structures.
Read MoreMANUFACTURERS – MAY 2020
The Roanoke Cement Co. Troutville, Va., campus has earned Gold certification under the TRUE (Total Resource Use and Efficiency) rating system. Administered by Green Business Certification Inc., TRUE helps facilities define, pursue and achieve zero waste goals while becoming more resource efficient.
Read MoreSika, celebrity architect BIG team on 3D printing demonstration
The parent of Sika Corp. is partnering with one of the world’s top architects, Bjarke Ingels Group (BIG), to showcase 3D concrete printing capabilities at the “Formgiving” Exhibition at the Danish Architecture Center in Copenhagen, Denmark. Running through January 2020 in the architect’s home base, the exhibition focuses on the future of construction and how it shapes the planet.
Read MoreMANUFACTURERS – JANUARY 2019
Grupo Cementos de Chihuahua, S.A.B. de C.V. reports ramp up of a 440,000-metric-ton capacity expansion of its Rapid City, S.D., cement plant. Work at the Dacotah mill began in 2016, with a total investment of just over $100 million. The expansion increases the plant’s production capacity to 1,167,000 mt and is expected to reduce variable production costs. Tie-in of the new facilities was completed in late November, while production—suspended during that phase—has resumed and the new facilities are in the stabilization process.
Read MoreMANUFACTURERS – MARCH 2018
Clearwater, Fla.-based Kemco Systems has named Stephen Stewart as Southwest regional sales manager. Based in Colorado, he joins the water and energy technology company after 18 years in branch and regional management roles with U.S. Filter. The company notes that Stewart’s expertise and passion for providing solutions for water and wastewater needs matches its mission to provide the most efficient and highest quality systems in the industry.
Read MoreMANUFACTURERS – FEBRUARY 2018
Lehigh Cement Co. LLC, a wholly-owned subsidiary of Lehigh Hanson Inc., has promoted Quentin McGahey from Mitchell, Ind., plant manager to vice president, Cement Operations Northeast, based in Allentown, Pa. Succeeding him in Indiana is Jerry Miller, elevated from assistant plant manager.
Read MoreMANUFACTURERS – JANUARY 2018
Sika Corp. dedicated an admixture and mortar production facility near Houston late last year. Geared to Texas and Southwest markets, the plant is the company’s 22nd in the U.S. and equipped for production of polymers central to high performance admixtures.
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