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A division of A. Jandris & Sons, Inc.

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Umaco Act Fibers

Act Fibers

Alkaline resistant fibers which may be added to any cement based mix in order to help reinforce against plastic crack formation.

Interested in this product? Please reach out to us to learn about availability and delivery options if needed.

Act Fibers are 1/2” strands of virgin homo-polymer, polypropylene multifilament fibers specifically engineered to help reinforce against plastic shrinkage crack formation in cement based and gypsum based mixes.