FORTA® CAST-MASTER® is an easy-to-place, fully oriented, 100% virgin homopolymer polypropylene fibrous reinforcement.

FORTA® CAST-MASTER® is a fiber specifically designed and engineered by FORTA® for the precast industry. It is used to reduce plastic and hardened concrete shrinkage, improve impact strength, reduce handling stresses, and increase fatigue resistance and concrete toughness.

This extra heavy-duty fiber offers optimum bonding power, maximum long-term durability, sharper edge control and quick and uniform fiber distribution by incorporating a unique twisted-bundle fiber technology with a fibrillated pattern and long length fiber option.

Non-corrosive, chemically inert, and 100% Alkali Proof!

Tensile Strength: 83-96 ksi. (570-660 MPa) 

Length: 3/4" (19mm), 1-1/2" (38mm), 2-1/4" (54mm), and 2-1/2" (60mm)


FORTA® CAST-MASTER® can improve every precast product and is compatible with all precast production manufacturing technologies. It is used to reduce slumping, cracking, and fallouts during precast stripping procedures - it increases production. FORTA® CAST-MASTER® meets all A.S.T.M. C-1116 requirements, and is safe to use. Requires No Mix Design or Placement Changes!