Concrete Repairs

Singapore’s humid and hot climate can accelerate the deterioration of concrete structures. Spalling concrete, where the surface layer breaks away exposing the reinforcement, and cracks, ranging from hairline fissures to structural cracks, are common concrete issues that require immediate repair to prevent further damage and costly fixes.

Concrete Repair Services

We offer comprehensive concrete repairs, including:

Spalling Concrete Repair

Our process involves carefully removing damaged concrete, surface preparation, and applying specialized mortars and sealants to restore the surface and prevent future spalling.

Concrete Crack Repair

For hairline cracks, we use epoxy injection techniques. For larger structural cracks, we employ advanced methods like epoxy grouting or concrete stitching to restore integrity.

Concrete Wall Repair

Our services include patching, resurfacing, and using high-quality materials to seamlessly repair damaged concrete walls.

Benefits of Concrete Repair

Extend Lifespan of Concrete Structures

Timely concrete repairs, including spalling concrete repair, prevent further deterioration and costly replacements, extending the functional lifespan of buildings, bridges, and other structures.

Maintain Safety and Compliance

For issues like spalling concrete, professional spalling concrete repair contractors in Singapore can restore the integrity of your concrete structures through advanced methods like epoxy grouting or concrete stitching. Their services ensure safety by addressing potential hazards and help maintain compliance with building codes and regulations.

Enhance Aesthetics and Property Value

Unsightly spalling and cracks detract from curb appeal. Concrete wall repair and resurfacing services restore aesthetics, increasing property value.

Concrete Repair Process

Our concrete repair process is thorough and follows industry best practices:

Inspection and Assessment

Our experts conduct a comprehensive evaluation of the concrete damage, identifying the root cause and the extent of the issue.

Surface Preparation

The affected area is carefully prepared, removing any loose or damaged concrete to create a sound surface for repair.

Repair Method Selection

Based on the assessment, we determine the most appropriate repair method, whether it's epoxy injection, patching, resurfacing, or other techniques.

Repair Implementation

Our skilled technicians execute the repair process with precision, using high-quality materials and adhering to strict quality standards.

Curing and Finishing

The repaired area is properly cured and finished, ensuring a seamless integration with the existing concrete surface.

FAQs

What is spalling concrete?

Spalling concrete is the breakdown of the concrete surface where it cracks, flakes, or breaks away to expose the steel reinforcement bars (rebar) underneath. In Singapore HDB flats, spalling typically appears on bathroom and kitchen ceilings as flaking patches, brown stains from rust, and falling concrete chunks. It is caused by rebar corrosion in humid conditions and most common in flats over 20 years old.

What causes spalling concrete in Singapore HDB flats?

Spalling concrete in Singapore HDB flats is caused by steel reinforcement bars rusting inside the concrete slab. Moisture from bathroom showers, kitchen sinks, or upstairs leaks reaches the rebar through hairline cracks; rust expands and pushes the surrounding concrete outward. Poor ventilation, ageing waterproofing membranes, and high humidity accelerate it. Most cases occur in flats over 20 years old.

Is spalling concrete dangerous?

Yes, spalling concrete is dangerous if left unrepaired. Falling concrete chunks can injure people below, especially when spalling occurs on ceilings above sinks, stoves, or seating areas. Beyond physical risk, exposed rebar accelerates further corrosion and weakens the slab structurally over years. HDB and BCA recommend repairing spalling concrete promptly and painting the repaired area to prevent recurrence.

Who is responsible for spalling concrete repair in HDB flats?

In HDB flats, the flat owner is responsible for interior spalling concrete on ceilings and walls within the unit. HDB co-funds repairs through the Goodwill Repair Assistance (GRA) scheme for Singapore Citizen households. External walls are Town Council responsibility because they are common property. Older blocks under the Home Improvement Programme (HIP) have spalling addressed during major upgrades.

Can I claim HDB Goodwill Repair Assistance for spalling concrete?

Yes. Singapore Citizen households can claim HDB’s Goodwill Repair Assistance (GRA) scheme for spalling concrete repair. HDB pays 50 percent of the cost; the flat owner’s share is capped at $300 per flat. For rental flats, HDB covers 100 percent. Typical waiting time is 4 to 6 months. If spalling is caused only by condensation, not a leak, GRA may not apply.

How do I prevent spalling concrete from coming back?

Three measures prevent spalling concrete from recurring: install proper ventilation in bathrooms and kitchens to reduce humidity, repaint repaired areas with an alkaline-resistant primer and waterproof paint, and fix any upstairs water leak feeding moisture into the slab. For older HDB flats, request inclusion in the Home Improvement Programme (HIP), which proactively addresses spalling in eligible blocks.

Your Concrete Repair Partner in Singapore

When it comes to concrete repairs in Singapore, from spalling concrete repair to structural crack remediation, our experienced team is your trusted partner

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