Cem-Fil 54/76 Roving Fiber


Cem-FIL® 54 is an Alkali Resistant glass fiber assembled roving designed for use in the manufacture of glass fiber reinforced concrete (GRC) composites by the simultaneous spray method.


  • Alkali resistant glass*
  • Good unwinding
  • Easy chopping
  • High split efficiency
  • Safe and easy to handle
  • Ideal for use with complicated profiles
  • Excellent reproduction of detail
  • Excellent mechanical performance
  • Makes highly durable GRC elements
  • Very easy incorporation into the matrix


  • Cem-FIL® 54 is a spray roving with easy processing and incorporation, enabling the production of GRC elements with excellent finish and reproduction of detail.
  • Cem-FIL® 54 provides good mechanical performance and excellent durability to GRC composites. Cem-FIL® 54 is suitable for the fabrication of GRC in high humidity conditions.
  • Cem-FIL® 54 has been tested and approved for use with commonly used spray equipment.


  • Electrical Conductivity: Very low
  • Specific Gravity: 2.68 g/cm3
  • Material: Alkali Resistant Glass*
  • Softening point: 860°C – 1580°F
  • Chemical Resistance: Very high
  • Modulus of elasticity: 72 GPa – 10 x 106 psi
  • Tensile Strength: 1000–1700 MPa – 145–250 x 103 psi

* Our fibers are manufactured with high Zirconia content in compliance with ASTM C1666/C 1666/M-07 and EN 15422 and under the recommendations of PCI and GRCA


Cem-FIL® 54 rovings are used for spraying with purpose-made GRC spray equipment. The recommended dosage is 5% by weight.


Cem-FIL® 54 rovings are protected by a shrink-wrap polythene film, open at the top which should not be removed when the product is in use. Rovings are packed on pallets either with or without carton boxes. Cem-FIL® 54 rovings should be stored away from heat and moisture, and in their original packaging. Optimum conditions are temperature between 15°C and 35°C and humidity between 35% and 65%. If the product is stored at lower temperatures it is advisable to condition it in the workshop for at least 24 hours before use, to prevent condensation.


Cem-FIL® 54 fibers are manufactured under a quality Management System approved to ISO 9001.

Cem-FIL® fibers are not classified as dangerous by the Regulation 1272/2008/EC. For more information, please refer to our Safe

Use Instructions Sheet.

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