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Technical Information
imix XS™ is a steel fiber reinforced concrete used to control temperature cracking and shrinkage. imix XS is listed in the 2009 IBC International Building Code® and the 2009 IRC International Residential Code® (ESR-1726) as published by the ICC. The following information gives technical information on imix XS steel fibers in concrete, the ICC report on imix XS, as well as other technical information. You can click on the contents below or download a pdf file of the full report in
A White Paper on imix XS

imix XS recommended replacement mixes for Standard Reinforcement
Product Recommended imix XS replacement
Roll Mesh imix XS
6x6 w1.4 (10 gauge) imix XS Plus
6x6 w 2.0 (8 gauge) imix XS Plus
6x6 w 2.9 (6 gauge) imix XS Super
Rebar: ≥18” spacing imix XS Max
Footings w/ 2 rebar placed horizontally imix Foundation XS
*imix XS™ is the required minimum replacement for standard reinforcement to comply with the ICC report ICC-ESR 1726. For additional strength and shrinkage control, use the recommended imix XS replacement.