Glass Fibre Rebar

PRODUCTS | Glass Fibre Rebar



Early man was aware of the basic principle that a composite material is greater than the sum of its parts. For example clay and straw were found to be stronger than clay alone; straw being the fibrous reinforcement and clay being the matrix. The first use of glass fibre reinforced polyester composites was in the aircraft industry during the 1940s. This was followed some years later by the first non-military application in the marine sector, where FRP proved a complete innovation – revolutionizing the way boats were built.

Product Information

Glass Fibre Reinforced Polymers (GFRP) are a proven and successful alternative that have numerous advantages over traditional reinforcement methods, giving structures a longer service life. The Glass Fibre Reinforced Polymers (GFRP) rebar is a structural ribbed reinforcing bar made of high strength and corrosion resistant glass fibres that are impregnated and bound by an extremely durable polymeric epoxy resin.

Glass Fibre Reinforced Polymers (GFRP) is permanently resistant to chemical acids and alkaline bases, therefore extra concrete cover, anti-shrink additives, and even cathodic protection are not required. Glass Fibre Reinforced Polymers (GFRP) significantly improves the longevity of engineering structures where corrosion is a major factor.

Why Glass Fibre Reinforced Polymers (GFRP) Rebar and not Steel?

1. Glass Fibre Rebar Polymers (GFRP) is 4x lighter than steel. Steel is heavy, it increase logistic cost as well as adding more weight to the structure which affects the natural frequency of concrete structure.

2. Glass Fibre Rebar Polymers (GFRP) is 100% corrosion resistance to alkalis and acidic environment while steel rebar cannot stand the aggressive agents such as carbonic gas and chloride ions that cause premature deterioration.

3. Glass Fibre Reinforced Polymers (GFRP) is thermal and electrical isolated while steel rebar is high thermal & electrical conductivity.

4. Glass Fibre Reinfoced Polymers (GFRP) is milder stiffness compare to steel. It allows structure to be less rigid.

5. Steel Rebar is high in maintenance compare to 100 years zero maintenance of GFRP.

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Handling and Placement

1. Deliver, store, and handle GFRP bars in accordance with manufacture’s instruction to prevent damage.

2. Plastic coated tie wire is preferred option for most projects.

3. Do not store GFRP bars directly on ground. Place timber pallets under bars to keep them free from dirt and mud to provide easy handling

4. Store GFRP bars under covers to avoid direct sunlight and chemical substances.

5. Care should be exercised to adequately secure FRP in the formwork.