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GFRC (Glass Fibres Reinforced Concrete) is a composite material where alkali-resistant glass fibres are uniformly dispersed within a cementitious matrix to improve tensile strength and control cracking. GFRC are commonly used in construction applications requiring durability and crack control, including industrial
flooring, precast elements, pavements, plaster reinforcement, and thin panels.
Glassman® MICRO FIBRES improve concrete by acting as micro-reinforcement within the concrete matrix.
The fibres bridge microcracks and distribute stress throughout the material, helping reduce shrinkage
cracking, improve abrasion resistance, and enhance the long-term durability of concrete structures.
Glass Fibre Reinforced Concrete improves durability, reduces shrinkage cracking, and enhances abrasion
resistance compared to conventional concrete. It aids in reducing water permeability and provides uniform
reinforcement throughout the concrete matrix, improving the overall service life of structures. They are also
resistant to rust and fire.
Glass fibre dosage in concrete depends on the application, mix design, and crack-control requirements.
Typical dosage ranges from 0.9 kg per bag of cement to 1 kg per cubic meter of concrete, although final
dosage should be confirmed through mix design testing and engineering recommendations.
AR (Alkali Resistant) Glass Fibres are specially engineered fibres designed to withstand the highly alkaline
environment of cement and concrete. These fibres maintain their strength and durability within the concrete
matrix, making them suitable for reinforcing plaster, precast elements, flooring systems, and other cementbased materials.
Glass fibres control cracking in concrete by bridging microcracks within the cement matrix and distributing
stress throughout the material. This mechanism limits crack propagation and improves the long-term
durability and structural performance of concrete elements.
Glass fibres provide micro-reinforcement that controls shrinkage cracking and improves durability, while
steel fibres typically provide higher post-crack structural toughness. Glass fibres are lightweight, noncorrosive, and often invisible at the surface, making them suitable for plaster, precast elements, and various
concrete applications.
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Glassman® MICRO FIBRES function as micro-reinforcement within the concrete matrix, helping to bridge
microcracks and distribute stresses throughout the material. This improves crack resistance, reduces
shrinkage cracking, enhances abrasion resistance, and increases the overall durability of concrete
structures.
Glass fibres primarily provide distributed micro-reinforcement that controls plastic shrinkage and early
cracking in concrete. While they may reduce or supplement conventional reinforcement in some
applications, structural reinforcement requirements should always be determined by engineering design and
project specifications.
Glass Fibre Reinforced Concrete provides several advantages over conventional concrete including
improved crack control, higher durability, reduced permeability, better abrasion resistance, and
enhanced tensile performance. It also allows more uniform reinforcement throughout the concrete
structure.