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What preparation is required for an old floor before laying it?



How to Prepare an Old Floor Before Installation

Before laying a new floor on an existing old floor, it is essential to properly prepare the surface to ensure optimal and long-lasting results. Here is what the preparation of an old floor entails:

  • Cleaning: Remove any dirt, dust, grease, or residues present on the old floor surface. This step ensures better adhesion of the new floor.
  • Leveling: Verify that the existing floor is even and leveled. Any unevenness or cracks should be repaired with suitable leveling compound to ensure a smooth surface.
  • Chamfering Edges: If the old floor has sharp or irregular edges, it is advisable to chamfer them to prevent any hindrance to the installation of the new floor.
  • Drying: Ensure the floor is completely dry before proceeding with the new coating installation. Residual moisture could cause adhesion issues and damage the new floor over time.
  • Removal of Old Coverings: If the old floor is covered with materials like carpet, linoleum, or tiles, it may be necessary to remove them before installing the new floor to ensure a solid base.

By carefully following these preparation steps, you will create an excellent foundation for laying the new floor, ensuring durability, longevity, and visually pleasing results.

Steps to Prepare an Old Floor Before Installation

To prepare an old floor before installation, carefully follow these steps:

  • Cleaning: Remove any residue of old coating, glue, or paint from the existing floor. Use wire brushes, scrapers, and degreasers to ensure the surface is clean and smooth.
  • Leveling: Check that the floor is even and leveled. Fill any holes or cracks with floor filler if necessary and level the surface with a spatula.
  • Drying: Ensure the floor is completely dry before proceeding with the new coating installation. Moisture can compromise adhesion and longevity of the new floor.
  • Primer: Apply a specific primer for both the existing floor type and the new material you will be laying. The primer enhances adhesion and increases the new coating's durability over time.
  • Insulation: If the old floor is wooden or has cracks, it is advisable to lay a layer of acoustic or thermal insulation before the new installation. This helps improve the new floor's performance and reduce noise.

By carefully following these steps, you will adequately prepare the old floor for the new coating installation, ensuring a durable and high-quality final result.

Is Sanding an Old Floor Necessary Before Installation?

It is advisable to sand an old floor before installing the new one to ensure a uniform and stable base. Sanding the existing floor offers several advantages:

  • Leveling: Sanding removes any irregularities, cracks, or traces of residual glue, ensuring the new surface is smooth and even.
  • Adhesion: By removing the old floor's surface layer, adhesion of the new coating is improved, reducing the risk of premature detachment.
  • Aesthetic: Sanding the floor can enhance the overall appearance of the new installation, ensuring a cleaner and uniform finish.
  • Durability: Properly sanded flooring can contribute to the long-term durability of the new coating, avoiding issues related to underlying structural defects.

In conclusion, sanding an old floor before installing the new one is an important step to ensure a high-quality and long-lasting final result.

Materials Needed to Prepare an Old Floor for Installation

To prepare an old floor for installation, you will need various materials to achieve a solid and uniform base for the new coating. Here is what you will need:

  • Cleaning Tools: Begin by removing dust, dirt, and residues from the floor using a broom, vacuum cleaner, or specific detergent.
  • Tools for Removing Old Coverings: If the floor has a previous coating, you may need scrapers, spatulas, or solvents to remove it completely.
  • Leveling Compounds and Fillers: To level any unevenness or holes in the floor, you can use specific fillers or leveling compounds.
  • Adhesive Primer: To ensure optimal adhesion of the new floor, applying an adhesive primer before installation is advisable.
  • Installation Materials: Depending on the type of flooring you are installing (tiles, parquet, laminate, etc.), you will need adhesive, glue, or other specific materials.
  • Acoustic or Thermal Insulation Systems: If you want to improve the floor's acoustic or thermal insulation, consider using appropriate materials to place under the new coating.

Make sure to carefully follow the manufacturer's instructions for the correct use of each material and adequately prepare the floor for a durable and high-quality installation.





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