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Defining an exterior wall as having batt insulation?

12 ANTWORTEN 12
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Nachricht 1 von 13
Anonymous
3226 Aufrufe, 12 Antworten

Defining an exterior wall as having batt insulation?

It is likely staring me right in the face, but I cannot figure out how to add fiberglass batt insulation to a wall assembly. Everything I have seen so far shows the insulation as a layer like a foam board as opposed to a detail between the studs.

 

I also would like to know how loose-fill attic floor insulation is modeled, I am having the same issue with that.

 

Is there anywhere I can go to find more information on how to do this properly?

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12 ANTWORTEN 12
Nachricht 2 von 13
barthbradley
als Antwort auf: Anonymous

Nachricht 3 von 13
syman2000
als Antwort auf: Anonymous

Here is my alternative. Hatch and 2d detail.

Check out my Revit youtube channel - https://www.youtube.com/user/scourdx
Nachricht 4 von 13
barthbradley
als Antwort auf: Anonymous

trust me - even if you could, you wouldn't want to add batt insulation to the model wall assembly.  That would look ridiculously ugly.  Think about it; every wall - in every cross-section view - regardless of the view scale - would show those wavy, s-shaped lines representing batt insulation.  Save that kind of  detail for detail views - the way we've been showing it for ages - even before computer-aided drawing.  

Nachricht 5 von 13
Anonymous
als Antwort auf: barthbradley

I was thinking more about it from an energy modeling standpoint. I am still trying to work through running my first model, but apparently I have a fundamental misunderstanding of how the system calculates those factors.

 

It seemed logical that you could spec out a wall assembly with batts or spray foam and then that would be factored into the energy model. 

 

How is the correct way to handle energy modeling with different insulation systems like Batts or loose fill in the attic?

 

BTW - Thanks for the patience, I try to search as much as possible before asking for help, but some aspects of Revit have a STEEP learning curve. 

Nachricht 6 von 13
barthbradley
als Antwort auf: Anonymous


@Anonymous wrote:

 

How is the correct way to handle energy modeling with different insulation systems like Batts or loose fill in the attic?

 


 

Those wavy, s-shaped detail lines do nothing for thermal analyses.  Is that what we're after here?  

Nachricht 7 von 13
Anonymous
als Antwort auf: barthbradley

Yes. I am looking for the place to specify the insulation configuration for thermal analysis.

Nachricht 8 von 13
ToanDN
als Antwort auf: Anonymous

It has nothing to do for thermal analysis.  You need to look into Analyze > Energy Settings . Conceptual Types and/or Schematic Types.

Nachricht 9 von 13
syman2000
als Antwort auf: Anonymous

You may have to do it thru materials. You may want to load in Physical and Thermal properties to the material. In there it should have preset value which will be used to do energy calculation.

 

insulation.pngmaterial.pngthermal expand.png

Check out my Revit youtube channel - https://www.youtube.com/user/scourdx
Nachricht 10 von 13
barthbradley
als Antwort auf: syman2000

You wouldn't even need to go that far.  You can just use Schematic Types.  

 

Schematic Types.jpg

 

 

Nachricht 11 von 13
barthbradley
als Antwort auf: Anonymous


@Anonymous wrote:

Yes. I am looking for the place to specify the insulation configuration for thermal analysis.


 

Start here:

 

Energy Setting.jpg

 

Help: Energy Settings (autodesk.com)

Nachricht 12 von 13
Iev60047
als Antwort auf: Anonymous

So just to be entirely clear here, there is no way to add imbedded insulation (i.e. insulation that does not add a layer thickness to the wall) to a wall in Revit. This seems like an easy feature for Revit to implement.

Nachricht 13 von 13
LIrelandEGA
als Antwort auf: Iev60047

I know this is a few years late for you, BUT, you can add thermal values to materials in the assembly.
So, if you want R20 Batt insulation and 6.2 exterior rigid, add thermal properties to the stud material (if thermal tab is missing, use the plus symbol, if existing relink), after selecting the appropriate material and doing the same for the exterior rigid, adjust thermal conductivity on each to specific values if not typical. The Assembly, (wall/floor/ect.) will then show the R-Value in the type properties dialogue box.

Screenshot 2024-04-06 150307.png

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