SERVICES

SUB-FLOOR LEVELLING

SUB-FLOOR LEVELLING

We level your sub-floor using quality priming and self-levelling products, removing dips and humps to leave a smooth, even base on which your new floor can be laid.

Sub-floor levelling is a specialised construction process aimed at creating a flat, smooth, and even surface on an existing sub-floor or substrate. It involves the use of various materials and techniques to correct imperfections such as dips, humps, cracks, and unevenness in the sub-floor. The goal of sub-floor levelling is to provide a stable and uniform foundation on which new flooring materials can be installed.

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Self-levelling compound poured and spread across a prepared concrete sub-floor

PROCESS

  1. Initial Assessment:
    Evaluate the existing sub-floor for dips, humps, cracks, and unevenness. Identify the type of flooring to be installed and any specific requirements.
  2. Preparation:
    Clean the sub-floor thoroughly to remove debris, dirt, and contaminants. In practice this means diamond grinding the slab to strip adhesive residue and open the surface. Repair any major cracks, holes, or structural issues.
  3. Priming:
    Apply a high-quality primer to the sub-floor to enhance adhesion and prevent moisture-related issues. The primer also helps in creating a uniform surface for the self-levelling product.
  4. Mixing and Application of Self-Levelling Compound:
    Prepare the self-levelling compound according to manufacturer specifications. Pour the compound onto the sub-floor strategically, taking into account the starting point and working towards an exit to avoid walking on the wet compound.
  5. Spreading and Levelling:
    Use specialised tools like spiked rollers or levelling pins to evenly spread and level the self-levelling compound across the sub-floor. Work quickly to prevent the compound from setting before achieving a smooth surface.
  6. Drying and Curing:
    Allow the self-levelling compound to dry and cure as per manufacturer recommendations. Ensure proper ventilation to aid in the curing process.
  7. Final Inspection:
    Inspect the levelled sub-floor for any imperfections. Address minor issues if needed and ensure the surface is ready for the installation of the new flooring material.

BENEFITS

  1. Smooth and Even Base:
    Sub-floor levelling creates a perfectly even surface, eliminating dips, humps, and other irregularities that could affect the final flooring.
  2. Enhanced Flooring Durability:
    A level sub-floor prevents premature wear and tear, ensuring the new flooring material lasts longer.
  3. Improved Aesthetic Appeal:
    A smooth and even sub-floor enhances the overall appearance of the space and provides a professional finish to the flooring.
  4. Better Adhesion:
    The use of primers and self-levelling compounds enhances the adhesion of the new flooring material, reducing the risk of issues like delamination.
  5. Time and Cost Savings:
    Sub-floor levelling reduces the need for excessive floor preparation, minimizing installation time and costs.
  6. Correcting Structural Flaws:
    Sub-floor levelling can address minor structural flaws, ensuring a stable and safe foundation for the new floor.
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GALLERY

Self-levelling compound poured across a prepared concrete slab
Levelled sub-floor finished and ready for new floor coverings
Concrete slab after diamond grinding, cleaned back to bare surface
Self-levelling compound being spread with a smoothing trowel
Floor levelling work in progress across a large open interior
Primer applied to a concrete sub-floor before levelling compound
Fresh levelling compound flowing out to a smooth, even finish
Concrete sub-floor prepared and primed ready for pouring
Levelled floor surface with a clean edge along the perimeter
Floor preparation underway on a Sydney commercial fit-out
Completed level floor finished ready for the flooring installer
FAQ

FAQ

Sub-floor levelling is suitable for a range of sub-floor materials, including concrete, plywood, and gypsum-based substrates.

Drying time varies depending on the specific product used and environmental conditions. It can take anywhere from a few hours to a day or more.

Yes, a levelled sub-floor provides a suitable base for various types of flooring, including tiles, hardwood, laminate, and vinyl.

In some cases, sub-floor levelling can reduce the need for additional underlay, but the requirements depend on the type of flooring being installed.

It's best to avoid walking on the compound until it has fully dried and cured to prevent any impressions or damage.

The waiting period before installing new flooring varies based on the self-levelling compound used. It's crucial to follow manufacturer guidelines for curing times.

Related Services

Most sub-floor levelling jobs start with diamond grinding to open up the slab and strip old adhesives. If your existing floor is still down, we also handle carpet, tile and timber removal and disposal.

Over 15 years industry experience, we work to ensure you can achieve your required deadlines, with exceptional customer service and communication throughout the entire process.

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Contact informations
0422 703 744
admin@levelfloors.com.au
Sydney, NSW 2000
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