Our innovative precast products are produced with mixes we’ve developed, both conventional concrete mixes, called Performance Concrete, as well as a proprietary, patented, organic concrete trademarked as Hi-Strain™ Concrete.

After six years of research and hands-on development, we've created two types of concrete to cover every precast need.

Substituting 50% slag cement for Portland cement reduces greenhouse gas emissions by more than 40%

SIS GROUP, LLC

P.O. Box 51986 . Durham NC 27717

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919-241-6165

SIS Group, LLC specializes in Concrete, Precast Concrete for multiple applications, Sleepers, Cross ties, Blast mitigation, Fireproof concrete, Ballistic concrete, Basalt reinforcement, Basalt fiber, Concrete fiber, Nylon fiber, High strain concrete, Vulcan bars, Concrete utility buildings, Sound walls, Railroad cross ties, Precast foundations, Precast Concrete paving, Precast modular bridges and GFRP reinforcement.  Please contact us for more information.