CONCRETE REPAIR SERVICE SPECIALIST SINGAPORE

Concrete cracks can be terrible if left untreated. Normally cracks can start very minimally but could end up threatening the entire structural integrity of the building. Different factors can cause structural and non-structural foundation cracks.

Our team of specialists has years of experience working on concrete repair projects. We take pride in serving our customer and ensuring that they enjoy the highest standards of service. Call +65 8828 1913 or Whatsapp us to enquire now.

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SPALLING CONCRETE REPAIR

Spalling concrete is a common issue for older buildings. It is largely caused by carbonation, a natural deterioration process. This causes the steel bars embedded in the ceiling slab to corrode, which in turn causes the concrete cover to crack and bulge.

In reinforced structures, spalling can cause problems in structural integrity if left untreated. Not to mention spoiling the aesthetics of your property. However, with the right preventive measures and expert spalling concrete repair services, you won’t have to worry about the structural integrity of your buildings.

 

Most common causes of concrete spalling includes:

  1. Corrosion of the reinforcing steel or rebar.
  2. An alkali-silica reaction
  3. Water penetration
Spalling concrete is a common issue for older buildings. It is largely caused by carbonation, a natural deterioration process. This causes the steel bars embedded in the ceiling slab to corrode, which in turn causes the concrete cover to crack and bulge
In reinforced structures, spalling can cause problems in structural integrity if left untreated. Not to mention spoiling the aesthetics of your property. However, with the right preventive measures and expert spalling concrete repair services, you won’t have to worry about the structural integrity of your buildings.

Most common causes of concrete spalling includes:

  1. Corrosion of the reinforcing steel or rebar.
  2. An alkali-silica reaction
  3. Water penetration

STRUCTURAL CRACK REPAIR

Building structures move all the time. These movement can caused by defects, ground movement, decay of building material, and more. If building structure unable to accommodate this movement, structure cracking is likely to occur where untreated can affect integrity, safety and stability of the structure.

 

Generally, structural cracks are wider than 3 mm in width and usually easy to identify. They can take on many shapes and sizes, can be horizontal, vertical, diagonal, or appear like a staircase in foundation blocks.

 

Structural cracks are accompanied by problems on the inside of your properties. Examples include sloping floors and moving objects like doors and windows that could be difficult to close.

 

Structural cracks should be addressed immediately, while non-structural cracks should be monitored and repaired, so they don’t get worse.

 

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Building structures move all the time. These movement can caused by defects, ground movement, decay of building material, and more. If building structure unable to accommodate this movement, structure cracking is likely to occur where untreated can affect integrity, safety and stability of the structure.
Generally, structural cracks are wider than 3 mm in width and usually easy to identify. They can take on many shapes and sizes, can be horizontal, vertical, diagonal, or appear like a staircase in foundation blocks.
Structural cracks are accompanied by problems on the inside of your properties. Examples include sloping floors and moving objects like doors and windows that could be difficult to close.
Structural cracks should be addressed immediately, while non-structural cracks should be monitored and repaired, so they don’t get worse.

NON-STRUCTURAL CRACK REPAIR

Non-structural cracks do not pose an immediate threat to the structural integrity of the building. They often occur when concrete slab experience internally induced stress.


Many factors can cause non-structural cracks, such as temperature fluctuations, weather changes, moisture build-up, poor conditions at original construction, poor concrete mix, rapid curing, or changes in moisture due to the cycle of seasons. Foundations shifting, hydrostatic pressure, vegetation, or trees can also cause non-structural cracks. These cracks are often very thin hairline cracks that are usually less than 3mm in width.


It is advisable to monitor these non-structural cracks as what starts as a cosmetic issue can rapidly turn into a structural crack as water seeps into the foundation and erodes the concrete.

Non-structural cracks do not pose an immediate threat to the structural integrity of the building. They often occur when concrete slab experience internally induced stress.
Many factors can cause non-structural cracks, such as temperature fluctuations, weather changes, moisture build-up, poor conditions at original construction, poor concrete mix, rapid curing, or changes in moisture due to the cycle of seasons. Foundations shifting, hydrostatic pressure, vegetation, or trees can also cause non-structural cracks. These cracks are often very thin hairline cracks that are usually less than 3mm in width.
It is advisable to monitor these non-structural cracks as what starts as a cosmetic issue can rapidly turn into a structural crack as water seeps into the foundation and erodes the concrete.
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POSSIBLE CONCRETE REPAIR METHOD

Epoxy Injection

Epoxy injection is the process of injecting epoxy resin into cracks to repair and restore the concrete back to its original state, with or without added reinforcement. The injected epoxy resin is actually stronger than the concrete and can restore the concrete strength.

 

Routing and Sealing of Cracks

Routing and sealing of cracks can be used in conditions requiring remedial repair and where structural repair is not necessary. This method involves enlarging the crack along its exposed face and filling and sealing it with a suitable joint sealant.

 

Filling of Cracks

Concrete cracks can be filled using masonry crack filler. Very small cracks, such as hairline cracks, can be repaired using concrete patching compound applied over the crack and then smoothed with a putty knife or trowel.

 

Repair Spalled Concrete

Remove the spalled concrete to expose the corroded steel bars. Next, remove the rust by using a wire brush and then coat the steel bars with anti-corrosion treatment. Patched back with a non-shrink repair mortar reinforced with fibre.

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Epoxy Injection

Epoxy injection is the process of injecting epoxy resin into cracks to repair and restore the concrete back to its original state, with or without added reinforcement. The injected epoxy resin is actually stronger than the concrete and can restore the concrete strength.

Routing and Sealing of Cracks

Routing and sealing of cracks can be used in conditions requiring remedial repair and where structural repair is not necessary. This method involves enlarging the crack along its exposed face and filling and sealing it with a suitable joint sealant.

Filling of Cracks

Concrete cracks can be filled using masonry crack filler. Very small cracks, such as hairline cracks, can be repaired using concrete patching compound applied over the crack and then smoothed with a putty knife or trowel.

Repair Spalled Concrete

Remove the spalled concrete to expose the corroded steel bars. Next, remove the rust by using a wire brush and then coat the steel bars with anti-corrosion treatment. Patched back with a non-shrink repair mortar reinforced with fibre.

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