ByBenji179
Hello ,
Should holes in the exterior wall of a house only be closed with dense well foam or can window foam also be used?
I believe the latter is permeable to diffusion and perhaps also absorbs water…??
It's about routing air conditioning hoses from the inside to the outside through an insulated brick wall. He used window foam there…
Thanks.
(1 votes)
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I’d take normal foam. Foam is not telling me.
The foam is always water-resistant but not water-resistant (except for well foam).
Therefore, in the case of breakthroughs, when foaming out with normal foam, the outside is again covered with a dense coat as a protection against water and from sunlight (according to some instructions).
Where the installer used water pipes for me equally waterproof fountain foam + rosette as light protection …
In energy-saving houses, only normal foam would be bad because it is also gas-permeable – open to diffuse… what is wanted in older houses…
UV resistant is normal foam and well foam also not…
so not so easy…
Of course, I assumed that this will be cleaned with a cement plaster later. You can’t leave the foam like that!
Building foam does not suck and is excellent insulated.
Building foam keeps the world together!
I hope not. However, it can be used very versatile. In her case, I’m sure a good choice.