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How to sand wood?

Your wood panel has lost its luster and you want to give it a facelift? No problem, we'll explain how to sand wood like a pro!

🪓 What is sanding wood for?

But what does it involve? Ah, sanding! This step that many consider a chore, but which in reality is the secret to successful wood work.

Imagine running your hand over a soft, smooth wood surface, almost like silk. That's the result of good sanding. But why is it so important?

A velvety feel: First of all, sanding wood allows you to obtain a smooth surface that is pleasant to the touch. No more splinters catching on your fingers or clothes. It's a bit like exfoliating your skin to make it soft and radiant!
A flawless finish: Are you planning to paint or varnish your wood? Sanding prepares the surface to receive these finishes. A well-sanded surface allows paint or varnish to adhere uniformly, thus avoiding bubbles, drips, or uneven areas.
Highlight the wood grain: Wood is a living material, with unique patterns and grains. By sanding correctly, you can highlight these beautiful details, giving your piece a natural and authentic aesthetic.
Repair and rejuvenate: Over time, wood may show scratches, stains, or imperfections. Sanding allows you to "rejuvenate" the surface by eliminating these unwanted marks, giving a second life to your furniture or floors.

🪓 Prepare your wood panel for sanding

Your piece of wood laid out on the workbench, take a moment to assess its condition. Depending on its use and environment, the wood may show signs of wear. Upon closer inspection, you might discover cracks, holes, or even chips. To ensure quality work, it is essential to start with an impeccable surface.

To achieve such perfection, the solution is simple: use wood filler. This filler will easily fill imperfections and holes. Spread it carefully with a putty knife. After a drying time of 24 hours, your wood will be like new.

Ready for the next steps of your project?

🪓 Set up your workspace for sanding!

For indoor sanding, it is important to pay close attention by applying some little tricks:

Protect your floor and furniture: First, go check your garage or storage to find a tarp or plastic covers. Once you've found what you need, protect your furniture and electronic devices (TV, computer…) to prevent dust from settling everywhere.
Open the windows: Don't forget to open the windows to ventilate the room.
Use protective gear: and especially wear a dust mask as well as protective glasses to look sharp while you work!

If you follow all these steps, good news, you're ready!

🪓 What to sand wood with?

Sandpaper

For those who don't know this technique, let's dive into an introduction to hand sanding:

There are two schools of thought on this way of sanding. Either directly with the sandpaper or with a sanding block. For our part, we far prefer using a sanding block to obtain a clean and precise result. For the first passes, I also recommend opting for a medium-grit sandpaper (80 to 100).
Your equipment ready, it's time to get started! For a clean sanding, it is important to make regular movements and especially always in the direction of the grain.

Information: Depending on the finish you desire, you can sand your wood panel with fine or very fine sandpaper (180 to 240)

Electric sander

Do you trust your equipment more than your hands? For large surfaces to sand, you can also bring out the heavy artillery: the electric sander:

To remove the most defects efficiently (paint, varnish…) it is important to start with a medium grit. Place the sandpaper on your machine and let's go.
Consistently, sanding your piece or wood panel should always be done in the direction of the grain to avoid splintering.
Need smooth wood? No problem, use a finer grit sandpaper to remove the last few minor defects.

🪓 And now, the sanding finish!

Whether you opt for hand sanding or using an electric tool, this recommendation applies to both methods. Before applying a coat of varnish or paint, it is essential to remove all dust from the wood.

A vacuum cleaner will do a good job, but to be sure to eliminate all residues, a pass with a slightly damp cloth is the perfect final touch!

Now, armed with these tips, you are ready to sand like a true expert. It's your turn!

Want to move on to the varnishing step? We have the solution you need:

Posted in: Wood advice

Author: John Steel

John Steel is the expert voice of the workshop, specializing in custom-cut metal and DIY projects. With extensive expertise in machining and laser cutting stainless steel, aluminium, mild steel, Corten, and brass sheet metal, he provides makers, tradespeople, and DIY enthusiasts with practical tutorials, technical comparisons, and custom design advice. Whether designing a stainless steel kitchen splashback, an aluminium privacy screen, or a specific mechanical part, John shares his technical knowledge to ensure metalworking is accessible, precise, and durable for the Steelsters community.

Comments

By: Marine On 2022-07-26

Bonjour j'ai le même problème que Brigitte plus haut.
J'ai des marques sur mon meuble après poncage, je voulais le teinté mais j'ai peur que cela ravive ces marques. Merci

Replied by: John Steel On 2022-07-26 Bonjour MArine,

Si il y a des marques après ponçage, c’est que cela est vraiment dans le bois...
Nous recommandons donc, d’appliquer de la lasure, cela peut donner un effet sympa sur toute la surface.
Il est préconisé de faire des tests avant, pour voir si la teinte convient ou non.
Si ce n’est pas le cas, pas de panique, un léger ponçage et on peut recommencer.

Bonne journée à vous.

Brigitte
By: Céline On 2022-04-11

Bonjour, j'ai poncé une table en chêne massif vernis avec un papier abrasif fin, à plusieurs reprises, et cela laisse de nombreuses marques. Je n'ai pas du tout envie d'appliquer le vernis dessus dans cet état. J'ai pourtant poncé dans le sens des veinures, je ne comprends pas pourquoi elle n'est pas homogène. Une idée ?
Merci de votre aide.

Replied by: John Steel On 2022-04-12 Bonjour Céline,

Pour répondre au mieux à votre question je vous invite à envoyer des photos à notre super SAV à cette adresse sav@john-steel.com ils pourront alors vous aider.

Belle et bricoleuse journée :)

Brigitte