Sika colloidal silica agent arms contractors to control slab destiny

Nanotechnology driving deployment of particles far smaller than those typical of cementitious materials augments the latest addition to the Sika Corp. 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, promote cement particle hydration, and reduce premature set risk. The…

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Beneficial Bunker

St. Louis general contractor/construction manager Tarlton Corp., in partnership with Morton, Ill. concrete and masonry contractor Otto Baum Company Inc., recently completed a cast-in-place proton therapy vault for an OSF HealthCare Saint Francis Medical Center clinic in Peoria, Ill.  With wall sections up to 25-ft. thick, the $5.5 million structure is Tarlton Concrete Division’s second such mass feat in the…

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