Mineral wool

And then the money recycles because what no private company can do is reclaim the tax on it.

Now, if you, if you look at something like retrofits, almost all wages, the cost of the Rockwool is tiny.

Yes, there's some heat pumps.

Yes, there might be some solar panels.

Also same where it's got rock inside of the... inside of it, which is great for fire rating and also great for sound.

So I like those, but you have to be really careful because a lot of like Rockwool's products, I love Rockwool and I'm like harping on them, but the ones that they sell to the general public aren't the one, isn't the one that has no formaldehyde.

They have a no formaldehyde option, but they only make it available to these big box builders who need like a huge quantity.

I'm like, this makes no sense.

closed cell or anything like that.

So we stayed with the American Rockwool as our insulation.

But as far as thermal goes, you know, those are kind of the best ways.

And I agree with you.

But I wanted to be able to do that just in case that we had any issues down the road.

So once we got that all set, I was able to install our Rockwool Comfort Board 80.

Super easy.

Did that all by myself.

Got that done.

And the reason that we did that, so by code, I believe we needed two feet of insulation around the interior of our footing.

And speaking with the people at Rockwool, what our goals are for the home being that it is an conditioned crawl space.

All our utilities are going to be down there.

Oh, very cool, man.

That was the days of sterility, do I say? Rockwool?

Yeah, because it was a science project.

It wasn't a plant.