This is not a defect but completely natural; it's called fliskritning.
When freshly sawn wood is exposed to the outdoor environment, it usually begins to turn gray within one to two years. This is because the sun's UV rays gradually break down the lignin in the wood's surface layer. A natural phenomenon that can affect all types of wood is called fliskritning, or fiber fuzz, which is part of the wood's natural aging process.
Fliskritning occurs when the outermost layer of lignin, which acts as a binding agent between the wood fibers, is broken down by the sun's rays. Lignin holds the fibers together, but when it is damaged by UV radiation, especially in areas with strong sunlight, fliskritning can occur. If the wood is also damp for a long period, the fibers on the surface can loosen and become visible, often during the spring months. These loose fibers give a fuzzy appearance, but the wood underneath remains intact.
Fliskritning does not affect the wood's durability or protection against rot and decreases over time. If fliskritning occurs on untreated decking or exterior paneling, you can easily remove it with a soft brush. Brush when dry and soap wash once afterward.
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Questions and answers
1. Why is my decking suddenly fuzzy?
Answer: It's a natural process called fliskritning
2. Is it the soap that has made the decking fuzzy?
Answer: No
3. Can you avoid fliskritning?
Answer: It's completely natural and difficult to avoid if you want real wood.
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