I have a basement that is partially finished and partially just excavated. In the finished part, they have plastered and painted the ceiling, but in the excavated part, there is some material that looks like hardened paper strips. I assume it's some sort of insulation, but what is it called?
And does anyone have tips on how I can easily take it down? When I tried with a crowbar, it sticks really hard and doesn't want to come down smoothly.
The reason I want to take it down is because I think the floors on the upper level are freezing, and I thought I'd try insulating with a newer type of insulation instead.
Pictures are naturally attached so you can take a look.
I believe, as mentioned, that the material is called träullit. If you have concrete floors, the boards are likely cast into the concrete. It was common to build molds from this material.
Looked like something like that when I searched on Google. Any tips on how to remove it easily? It will take days or more to break down the crap if I continue like this. Plus, it's a killer on the arms like nothing else
I'm facing the same problem as you and am also wondering about this material, what is it called? It seems to insulate about as well as cardboard..
As the thread starter says, it seems to be attached firmly..
I'm thinking about letting it stay and installing studs over it and insulating it, what do you think about that? As far as I know, is it some kind of wood material? Should there be plastic in between? Risk of mold?
Looks like träullit. An excellent material consisting of wood wool and cement. Great against moisture and mold, and also (un-)sound. Used for example in ceilings in swimming pools.
I would have let it stay. It doesn't insulate quite as well as glass wool, but as mentioned, it is an excellent material. Houses have been built from this material.
Looks like träullit. An excellent material consisting of wood wool and cement. Great against moisture and mold, and also (un-)sound. Used for example in ceilings in swimming pools.
I would have left it in place. It doesn't insulate quite as well as fiberglass, but as mentioned, it's an excellent material. Houses have been built with this material.
Insulates really poorly or it's too thin in my place..
I have an outbuilding with a laundry room/boiler room and the roof is always snow-free in the winter and there are gigantic icicles hanging from it..
if it's great against moisture and mold, could I frame directly with wooden studs against the träullit, insulate and put gypsum over it?
@User81:
Yes, if the roof above is not tight and there is no form of ventilation.
You can put plastic under the gypsum, but it's usually not recommended to have two tight layers.
I don't know any Lambda value, but a rough guess is that you may need twice as thick a layer of träullit as glass wool for the same level of insulation. On the other hand, weren't those boards only up to 5 cm thick? (So it's a bit thin for today's insulation requirements regardless of the material if it's the only insulation.)
Oh, we have something like that in a room in the basement too, I think (very similar at least).. In all other rooms, it seems to be some kind of mineral wool and plaster ceilings.. but just in the boiler room, we have a completely different ceiling. Could it have to do with some fire safety? more durable insulation of some sort? When we moved in, there was an oil/electric boiler and tank in that room (today we have ground source heat pump).. we don't utilize the space for anything other than storage today (except for the boiler) so it doesn't matter that it's there.. but I've wondered a bit about it and how to proceed when taking it down..
Interesting to read about it!
Sorry I can't help the OP with tips.. but I hope to see good tips here
BR Sandra
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