Quelle est la meilleure technique de vernissage pour les escaliers?
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What is the best varnishing technique for staircases?

The Best Varnishing Technique for Stairs: A Comprehensive Guide

Plancher Deluxe, a company specializing in floor sanding and varnishing in Montreal, Laval, Longueuil, as well as on the South Shore and North Shore, presents here a complete guide on the best varnishing techniques for stairs. Our goal is to provide valuable and practical information to our clients.

The Importance of Choosing the Right Varnishing Technique

Varnishing stairs is a delicate task that requires special attention. Stairs, as central elements of a home, endure significant traffic and must withstand daily wear and tear. Therefore, choosing the right varnishing technique is crucial to ensure both the durability and aesthetic appeal of your stairs.

Varnishing Techniques for Stairs

1. Wood Preparation

  • Cleaning and Sanding: The first step is to thoroughly clean the stairs and sand them to remove any traces of old varnish, dirt, or imperfections.
  • Application of a Grain Filler: For porous woods, using a grain filler ensures a smooth and uniform surface.

2. Choice of Varnish

  • Polyurethane Varnish: Resistant and durable, ideal for high-traffic areas.
  • Water-Based Varnish: Less toxic and more environmentally friendly, this varnish dries quickly and does not yellow over time.

3. Application of Varnish

  • Application Techniques: Use a specific brush or roller for an even application.
  • Number of Coats: Apply multiple thin coats rather than one thick coat for a better result.

4. Drying and Finishing

  • Drying Time: Respect the drying time between coats for better adhesion.
  • Satin or Gloss Finish: Depending on the desired style and use of the stairs, choose the appropriate finish.

Additional Tips

  • Test on a Small Section: Before starting, it's advised to test the varnish on a small section to ensure the color and finish.
  • Regular Maintenance: Regular maintenance with suitable products will extend the life of the varnish.


Choosing the right varnishing technique for stairs is essential to ensure their durability and beauty. At Plancher Deluxe, we are committed to providing the best solutions and advice for your varnishing projects. Our services cover Montreal, Laval, Longueuil, as well as the South Shore and North Shore regions.

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