You'll have to buy a machine to heat and mix the chemicals, but two-part urethane foam insulates like crazy and only requires small holes in the wall.
Isn't urethane foam really flammable though? That's why I've been avoiding it, fiberglass, and organic types of blown insulation.
Fiberglass isn't flammable? Or were you avoiding it for some other reason?
Okay, my mistake I did forget it was inflammable, but yeah, there are other issues with using it for my house, like rodents using it as a nest, and it disintegrating after a few years, which would require me to open the walls to extract it later. Longevity was another reason I was leaning towards mineral wool and perlite.
Fiberglass insulation is not inflammable (which means the same thing as flammable), it is fire-resistant. But yeah if you've got the money mineral wool is really good.
But my problem is that the only mineral wool manufacturers I know of have discontinued their loose fill products, hence the post
YOU!! ARE A LIFESAVER!! Thank you very much!
Loose-fill insulation is not great in vertical applications. If you can afford it get spray foam. Otherwise you're probably best off with basic fiberglass batts.
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