Hello everyone,

I recently bought pressure-treated decking wood at Hornbach. When I sawed into the planks, I noticed that some were green all the way through due to the treatment, while others were only green on the surface and untreated underneath and in the middle.

I went to Hornbach to question this. Their response was that if the wood in question comes from the tree's center or near the center, it's so dense that the treatment liquid can't penetrate all the way to the middle. Apparently, it shouldn't be a problem since dense wood has its own protection against rot, etc.

What do you all think about this? In my view, something that's treated should be 100% saturated with the treatment medium.

Thanks a lot for the advice!
 
The color difference you describe I have seen on everything printed I have bought, whether it comes from byggmax, hornbach, fredells, or sågen, which prints its own timber.
 
What they say is true.
 
The impregnation liquid does not penetrate the heartwood of the pine.
So you have received the correct information.
 
When it comes to gran, it becomes a total penetration.
 
N
When I buy from the large hardware stores, it always seems that it's only green a bit into the wood, but when I buy from a local small sawyer nearby, it's always green all the way through. But I've never thought about whether it has to do with where the timber was in the tree. But it feels strange if it just happened to be like that every time.
 
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