Matraville Warehouse Flooring
Matraville, NSW
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Joint Repair
Professional joint filling, sealing, and repair for industrial and commercial concrete floors.
Concrete joints are critical weak points in any floor. Expansion joints, control joints, and construction joints are designed to accommodate movement, but without proper filling and sealing they become pathways for moisture ingress, edge spalling, and contaminant penetration.
We fill, seal, and repair all types of concrete floor joints using flexible polyurethane and semi-rigid epoxy fillers that accommodate structural movement while preventing edge damage from heavy forklift and vehicle traffic. Joint re-cutting and preparation ensure the filler bonds correctly and performs for the life of the floor system.
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Contact UsQuick Facts
- Filler Types PU flexible / epoxy rigid
- Trafficable 4–12 hours
- Joint Types Expansion, control, construction
See Our Joint Repair Projects
Real-world examples of our joint repair installations across Sydney.
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View SolutionFrequently Asked Questions
Why do concrete floor joints need to be filled?
Unfilled joints allow moisture, chemicals, and debris to penetrate below the slab, which can cause sub-base erosion and slab settlement. The exposed edges of unfilled joints are also vulnerable to spalling from forklift wheels, creating trip hazards and accelerating floor deterioration.
What is the difference between flexible and semi-rigid joint fillers?
Flexible polyurethane fillers are used in expansion joints that experience significant movement. Semi-rigid epoxy fillers are used in control and construction joints where movement is minimal and edge support under wheeled traffic is the priority. The correct type depends on the joint function and traffic conditions.
How long does joint repair take?
Joint repair can typically be completed overnight or over a weekend depending on the total linear metres of joints and the filler system used. Most fillers are trafficable within 4 to 12 hours.
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