Rickard.
mattiasp mattiasp said:
Do you mean there would be any advantage of YAM over YAP?
The price is, of course, the only advantage with YAM, but since the underlay is not really needed and is more of a security before and during installation, it's obviously good that it becomes as cheap as possible for the customer.

Then my opinion is that underlay paper does not need to CONTINUE to be manufactured as there are always better alternatives. They can keep YAM solely for waterproofing where a poor material is acceptable ;)
 
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nibirius
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According to Icopal, YAM is more temperature stable and is therefore more suitable than YAP in certain applications.
 
Rickard.
YAM has a fiberglass frame and YAP has a polyester frame, that it would make it better in practice than, for example, papp is not something I've noticed in my years in the industry, but it is easy to tear. But maybe it has to do with some classification.
 
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H Huzzbutt said:
Treetex.
Why?

Treetex is a very good material to nail directly onto a log wall. It's not possible to nail plasterboard or other hard panel materials onto an uneven log wall.

But using treetex directly on a stud frame is pure idiocy, and maybe that's what you have experienced.
 
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MultiMan and 3 others
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Martin_B
H heimlaga said:
Treetex is a very good material for nailing directly onto a log wall. It's not possible to nail plasterboard or other hard board materials onto an uneven log wall.

But treetex directly on a stud frame is pure idiocy, and perhaps that is what you have experienced.
I also like treetex as a substrate for surface layers. It works well as heimlaga writes for log walls and perhaps primarily for plank walls. The advantage of treetex is that it insulates and has a value roughly like minderalull if I remember correctly. At the same time, the treetex is acoustically dampening. From a fire safety standpoint, treetex is of course worse than plasterboard. Another disadvantage is that it is easier to get pressure marks in a surface layer with treetex behind than with plasterboard. But otherwise, I see only advantages with it, provided it is on a plank wall or another solid wall.

I have probably never seen treetex on a stud wall, but maybe there are examples of that?
 
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kortis
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The fiberboard has a lambda around 0.05 if I remember correctly. So a 12mm treetex is roughly equivalent to 8-9mm mineral wool. The question is whether this has any practical significance from an insulation perspective?
However, it might work as a wind barrier inside a semi-tight timber/plank frame and be beneficial in that way?
 
Staffans2000
My house is insulated with three Treetex boards on top of each other.
 
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kortis and 1 other
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Martin_B
useless useless said:
The fiberboard has a lambda around 0.05 if I remember correctly. So a 12mm treetex is equivalent to about 8-9mm of mineral wool. The question is whether it has any practical significance from an insulation point of view? However, it might work as a wind barrier inside a semi-tight log/plank structure and be beneficial in that way?
Yes, that seems fairly accurate.

The following text is from a description of Hunton's asfaboard (asfaboard is basically the same as treetext but treated to withstand moisture, and aside from the harder surface)

"12 mm Vindtät is almost equivalent to 10 mm of regular insulation, which means a reduction in U-value of 0.01W/m2K."

Source: https://hunton.se/produkter/vagg/hunton-vindtat/
 
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SSlangen
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Latexfog. I claim that if you need latexfog, you've done something wrong. :)
 
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kortis and 1 other
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How do you make neat "joints/seams" in e.g., reveals, baseboards, crown moldings, etc.?
Caulk is absolutely amazing!
 
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Fred vom Jupiter and 3 others
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Yes, latex is perfect for removing "shadows" but not for saving bad listing :)
 
Maxwells demon TotalControl said:
How do you fix neat "joints/seams" in things like sills, baseboards, crown molding, etc.? Caulk is absolutely fantastic!
One wonders how carpenters managed before latex caulk was invented. As mentioned, if you need latex caulk, you've done something wrong. :)
 
How should one do it correctly then?

Please show an image where it is done "correctly".
 
hsd
A Andreas12345 said:
One wonders how the carpenters managed before latex caulk was invented. As mentioned, if you need latex caulk, you've done something wrong. :)
Putty
 
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Nils82
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lärjungen
A Andreas12345 said:
You wonder how carpenters used to do it before latex caulk was invented. As mentioned, if you need latex caulk, you've done something wrong. :)
Have you been inside a house that hasn't been renovated since the 1940s? I promise there are imperfections in the finish.

Yes, many imperfections occur due to the passage of time, but how do you know that a newly built house in 1942 had a perfect finish?
 
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