09/07/2026
The finish you can’t see is the one that shows everything.
Invisible Protector has one job: make protected timber look like raw timber. Which means there’s no colour, no film, no sheen to hide behind. Every shortcut in the process ends up on display.
Where it goes wrong:
Sanding. 120–150 grit, uniform, everywhere. One patch over-sanded and the product can’t pe*****te — it fails right there, months later.
Application weight. Too much isn’t extra protection. It’s white haze. The fix: sand back to raw.
The stir. Matting agents settle like sediment. Stir wrong and you get matte here, semi-gloss there — visible only after cure.
Invisible contamination. Old silicone, finger oils, hidden moisture. You can’t see any of it. The adhesion failure comes anyway.
Wipe timing. Too early strips protection. Too late locks in wipe marks. The window is minutes — and it shifts with the weather.
Climate. Datasheet numbers come from a lab. Your deck has sun, wind and humidity that rewrite them daily.
No test patch. Teak fights it. Dense hardwoods barely drink it. Test on this timber or you’re guessing.
There’s no touch-up coat with this product. Wrong means starting over from bare wood.
Done right? The closest thing to protected raw timber that exists.
We’ve already made the mistakes. So you don’t have to.
Förnya — The Swedish Art of Keeping.
