The Micro Rebar is a replacement for rebar or welded wire fabric in concrete construction. It is cost effective and reduces structural faults in concrete due to shrinkage and temperature cracking. Simply added to concrete as it mixes, it actively prevents cracking in any application. From structural foundations, to slabs, to suspended structural concrete, to paving, it will increase the strength and durability of concrete. Helix Steel. www.helixfiber.com