MACt Glass Fibre Rebar 8mm

MACt Rebar 8mm – (GFRP): A trusted, conventional glass fibre rebar featuring 83% concrete adhesion—perfect for low-load GFRC/GRC applications. Non-corrosive, lightweight, and cost-effective, it prolongs service life and simplifies installation.

Price range: $95.00 through $209.00 Inc GST

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MACt Rebar 8mm –  is a conventional GFRP (Glass Fibre Reinforced Polymer) reinforcing bar specifically designed for lower-load applications in GFRC/ GRC (Glass Fibre Reinforced Concrete)  structures. Made from glass fibres impregnated with a high-quality polymer binder, this rebar offers 83% adhesion to concrete—delivering essential reinforcement while remaining cost-effective, lightweight, and non-corrosive. MACt Rebar 8mm is widely trusted for reliable performance in a variety of construction and composite applications.

Key Features & Benefits

  1. High Adhesion & Durability
    • 83% Bond Strength: Ensures dependable reinforcement in GFRC/GRC elements subject to lower loads.
    • No Rust Concerns: Polymer design is immune to corrosion, extending service life in marine or corrosive environments.
  2. Cost-Effective & Light
    • Cheaper Than Steel: Offers upfront savings on material costs without sacrificing reinforcement capacity.
    • Nine Times Lighter: Ideal for efficient transport, simplified handling, and faster installation—particularly beneficial on job sites with limited manpower or equipment.
  3. Extended Lifespan
    • High-Performance Polymer: Resists chemical, alkali, and moisture-induced damage, helping structures last up to three times longer than with steel.
    • Minimal Maintenance: Non-corrosive nature reduces the risk of rebar-related cracks or spalling.
  4. Enhanced GFRC/GRC Applications
    • Optimised for Light Reinforcement: Perfect for architectural GRC cladding panels, GFRC countertops, and decorative elements that experience moderate stress.
    • Non-Conductive & Non-Magnetic: Suitable for installations where electromagnetic neutrality or radio-wave transparency is crucial (e.g., hospitals, labs, and specialized facilities)

Typical Applications

  • GFRC/GRC Structural Panels
    • Ideal for façades, cladding, formwork, or decorative features requiring light yet reliable reinforcement.
  • Foundations & Floor Slabs
    • Places with moderate loading conditions where rust-free, budget-friendly solutions are desired.
  • Marine & Coastal Constructions
    • Lightweight, corrosion-resistant reinforcement—especially useful for sea walls, piers, or port structures.
  • Tunnels & Bridges
    • Secondary or non-critical reinforcement in infrastructure builds where cost savings and extended service life are priorities.

Technical Snapshot

DiameterBond to ConcreteUltimate Tensile StrengthThermal ConductivityDensityEquiv. Steel Rebar
8 mm83%800–1300 MPa0.35 W/(m·°C)~1900 kg/m³~12 mm Steel
Note: GFRP rebar typically offers 2–2.5 times the break strength of steel, making a smaller diameter feasible for comparable or lighter loads.

Why Choose MACt Rebar 8mm –  for GFRC/GRC?

  1. Optimised for Low Loads
    • Designed explicitly for structures not bearing heavy loads, delivering dependable support with simpler installation.
  2. Easy Handling & Transportation
    • Rolls or coils reduce storage challenges, cut freight costs, and simplify site logistics—beneficial for GRC projects requiring flexible volumes of rebar.
  3. Long-Term Cost Savings
    • Extended service life and minimal corrosion-related repair work significantly reduce total lifecycle expenses.
  4. Improved Safety & Worksite Efficiency
    • Non-conductive, radio-wave transparent, and 9× lighter than steel—streamlining installation while diminishing potential hazards.
MACt Rebar 8mm –  is the conventional, dependable GFRP solution crafted for GFRC/GRC projects with mild to moderate reinforcement demands. Combining corrosion resistance, cost-effectiveness, and decades of proven performance, this rebar ensures durable, rust-free structures with efficient handling and transportation. Whether you’re reinforcing architectural cladding, enhancing decorative precast elements, or constructing lightweight floors, MACt Rebar 8mm is your gateway to a stronger, longer-lasting build—without the drawbacks of conventional steel.
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Additional information

Weight0.5 kg
Dimensions300 × 8 × 8 cm
Length

20m, 60m, 120m

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We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To start a return, you can contact us at sales@mact.au
Please note that returns will need to be sent to the following address:
Unit 3C, 919-925 Nudgee Road, Banyo, QLD, 4014, Australia
If your return is accepted, we’ll send you instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. Please note that if your country of residence is not Australia, shipping your goods may take longer than expected.
You can always contact us for any return questions at sales@mact.au

Expect prompt delivery and easy tracking — every order comes with updates along the way.

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Got any question?

Browse through our frequently asked questions to find answers on everything from mould preparation and casting techniques to finishing and long-term maintenance.

Australia’s warm and, in many regions, coastal climate necessitates adjustments during manufacturing. High temperatures can accelerate hydration, so controlled curing environments—such as covering pieces with plastic to retain moisture—are essential. Additionally, lower water-to-cement ratios and carefully selected admixtures help mitigate rapid evaporation and ensure that GFRC develops its designed strength and durability.

Manufacturers address these challenges by:

  • Using precision mixing equipment to achieve a uniform blend and ensure proper fibre distribution.
  • Fine-tuning spray parameters (such as pressure, nozzle design and technique) to avoid voids, pinholes and surface defects.
  • Regular maintenance of equipment and continuous operator training.
  • Adjusting admixture dosages as required to optimise workability and adhesion.

Future trends include increased automation—such as robotic spraying and digital mould design—as well as a greater focus on sustainable practices (e.g. incorporating recycled materials and eco-friendly admixtures). Advances in fibre treatment technology and computer-aided manufacturing are enabling more complex, custom-designed panels. Ongoing research is continually refining mix designs and curing methods to better suit Australia’s diverse environmental conditions.

GFRC is a composite product that combines high‐quality cement, fine aggregates, polymers and alkali‐resistant glass fibres – all premixed to the correct proportions. Its high strength‐to‐weight ratio, durability and capacity for being cast in thin, custom shapes make it ideal for creating stylish and long-lasting benches and tables for both indoor and outdoor use.

GFRC manufacturers must comply with Australian building codes and standards relating to precast concrete, structural performance and safety. This means that production processes, material testing and installation methods are stringently monitored and documented. Close collaboration with local certifying bodies ensures that GFRC products meet all necessary performance and regulatory requirements.

With our premix product, all the ingredients are already proportioned for optimal strength and workability. This means you can focus on preparing your moulds and executing a neat cast rather than measuring raw materials.

Moulds for benches and tables can be constructed from high-density foam, melamine, or even silicone for more intricate designs. It is essential that the mould is smooth, watertight and well supported. Pre-treat the interior with a quality release agent to ensure that the cured GFRC can be removed cleanly.

Typical additional admixtures levels for a 20kg:

  • Water: 2.78L–3.0L
  • Plasticiser: 10g – 50g
  • Fibres HD: 50g-300g
  • Fibres Bundled: 400g-700g
  • Retarder: 5g-20g
  • Accelerator: 5g–20g
  • Defoamer: 1g-3g
  • Colour: up to 800g

*NOTE: All admixes will alter the way the mix behaves.

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