Pressure treated floor joists indoors?

[KMolinder]

I'm planning to insulate my stairwell. The floor is framed with impregnated studs from -09. Is it okay to keep these, or do I need to replace them with regular studs? On top, there will be chipboard, water-based underfloor heating, and vinyl flooring.

I think it works well since they are of newer/milder impregnation and the chipboard and vinyl flooring can keep any potential odor at bay.

What do you others think?

 

[Kembe]

Now, I'm not exactly knowledgeable in this area, but I just want to...

A colleague of mine was going to buy a house this summer that had been vacant for a while... I don't know if it has anything to do with it (that it was vacant), but they had used impregnated studs all over during a renovation about ~10 years ago, and it smelled so bad that EVERYTHING needed to be replaced. So my advice is that impregnated wood is something to use outdoors, not indoors... So don't take the risk

Kind regards, Micke

 

[Morgess]

Shouldn't be a problem. Don't believe in any smell issues. Does it smell now? If not, why would it later?

 

[verktygsgurun]

The odor problem arises if the studs are lying against a roughly cast concrete slab and absorb moisture.

 

[KMolinder]

It will be like a crawl space foundation, so the studs hang freely.

 

[verktygsgurun]

It's like a crawl space, so the joists hang freely.

Then there's no problem. However, the basic rule says "no pressure treated indoors" but you already understand that.