Comment préparer un plancher avant de le vernir?
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How to prepare a floor before varnishing?

Key Steps for a Successful Varnishing

In the world of flooring in Montreal, Laval, Longueuil, and the South Shore and North Shore, preparing the floor before varnishing is a fundamental step to ensure a flawless result. At Plancher Deluxe, we pay particular attention to every detail of the preparation process, thus providing superior service to our clients.

Evaluating the Floor's Condition

  • Thorough Inspection: Identify damaged or worn areas that require repair.
  • Determining Treatment: Based on the condition, decide on necessary interventions (repair, plank replacement, etc.).

Cleaning: The Foundation of Good Varnishing

  • Removing Dirt and Debris: Ensure the floor is free from dust and particles.
  • Deep Cleaning: Use cleaning products suitable for the type of wood.

Sanding: A Crucial Step

  • Floor Sanding Technique: Use professional equipment for even sanding.
  • Removing Old Layers: Eliminate old varnish and treatments to reveal the raw wood surface.

Choosing the Sandpaper

  • Appropriate Grit: Choose a sandpaper grit suitable for your floor’s condition.
  • Grit Progression: Start with a coarser grit and finish with a finer grit for a smooth surface.

Applying a Primer or Grain Filler

  • Importance of Primer: It evens out the surface and improves varnish adhesion.
  • Product Selection: Opt for a primer or grain filler compatible with the type of varnish chosen.

Final Preparations Before Varnishing

  • Environment Control: Ensure the room has adequate temperature and humidity.
  • Final Check: Inspect the floor for any irregularities or dust residues.

Professional Tips from Plancher Deluxe

  • Drying Time: Allow enough time between each step for optimal results.
  • Specific Techniques: For antique or patterned floors, specific preparation techniques may be necessary.


Meticulous preparation of a floor before varnishing is essential for a durable and aesthetically pleasing result. At Plancher Deluxe, we apply our expertise to ensure that each step of the preparation is carried out with the utmost care, thus guaranteeing the quality and beauty of your varnished floor.

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