Quel est le meilleur traitement pour protéger un bois extérieur naturellement ?

Publié le 11/04/2025

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Quel est le meilleur traitement pour protéger un bois extérieur naturellement ?

Wood is a warm and vibrant material, highly valued for decking, cladding, fences, and garden furniture. Constantly exposed to harsh weather conditions (rain, UV rays, wind, frost, etc.), it nevertheless requires effective treatment to maintain its appearance and durability.

Among the many solutions available—stains, varnishes, paints, oils, etc.— linseed oil is often cited as a natural treatment for exterior wood. But is it really the most effective? And how does it compare to a modern wood saturator based on modified linseed oil ?

In this article, we help you see things clearly by comparing natural linseed oil with a new generation single-coat ecological wood saturator .

Our treatment and protection products for exterior wood

Linseed oil for exterior wood

Linseed oil for exterior wood: natural, but with limits

✅ The benefits of natural flaxseed oil

Used for centuries, linseed oil is a natural treatment renowned for its nourishing and protective properties on wood. Here are its strengths:

  • Penetrates deep into the wood fibers to protect it from moisture.

  • Non-film-forming : preserves the natural appearance and feel of the wood.

  • Protects against UV rays : helps limit graying caused by the sun.

  • Environmentally friendly in its pure composition.

It can therefore be a good solution to delay the aging of wood while preserving its authenticity.

❌ The disadvantages of linseed oil on exterior wood

Despite its qualities, raw linseed oil quickly shows its limits in use:

  • Long and tedious application : 3 coats required for good protection.

  • Very slow drying time : up to 3 days per coat.

  • Requires the addition of solvent (often 50%): which harms its natural character.

  • Unavoidable tint : gives a golden or amber appearance to the wood, without a transparent option.

  • Frequent maintenance : the protection migrates deep down and leaves the surface vulnerable within a few months.

  • Risk of blackening and sticking due to high heat.

These constraints make its outdoor use impractical, especially for large surfaces or very exposed wood.

Wood saturator based on modified linseed oil: a modern and ecological alternative

To address the limitations of traditional linseed oil, innovative solutions have emerged, such as Rubio Durogrit wood saturator , which exploits the properties of linseed oil... by improving them.

✅ Why choose a modified linseed oil for exterior use?

Here's how a single-coat linseed oil saturator like Durogrit makes all the difference:

  • Single coat : a single application is enough to protect the wood durably.

  • Quick drying : surface dries in 24 hours, can be walked on without waiting several days.

  • 0% solvent, 0% VOC : without water or additives, for true ecological protection.

  • Available in 14 shades + transparent version : to suit all aesthetic desires.

  • Does not stick, does not blacken : resistant to high temperatures and intense exposure.

  • Stable protection over time : does not migrate, does not require frequent reapplication.

This type of saturator offers the practicality, durability and customization that raw linseed oil does not allow, while maintaining its ecological qualities.

Try Durogrit 30ml for free with the code: Blogechdg

Comparison: natural linseed oil vs. single-coat wood saturator

Criteria Natural linseed oil Single-coat wood saturator (Durogrit)
Application 3 layers 1 layer only
Drying time ~3 days per layer 24 hours
Solvents Requires 50% solvent No solvent, 0% VOC
UV resistance Average Excellent
Available colors Only one (golden) 14 colors
Interview Every 6 months Every 3 to 10 years
Risk of blackening/sticking Yes None

What solution should you choose to protect your exterior wood?

If you are looking for a 100% natural and economical treatment , raw linseed oil may be suitable... provided you accept the application and maintenance constraints.

But for effective, fast, long-lasting and customizable protection , the wood saturator based on modified linseed oil (like Rubio Durogrit) is clearly the most efficient and modern solution.

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