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What is best approach for modeling and detailing batting insulation above a ceiling?

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    #1

    What is best approach for modeling and detailing batting insulation above a ceiling?

    Hello all, MEP guy playing architect for a moment. Please refer to attached detail from the architectural set of the project I'm working on. This detail refers to the top floor at the roof trusses. Basically what's happening is above the ceiling of the top floor, it's open to the attic space (the building is a college dorm, metal stud framing and truss, etc). To separate the two spaces there is a wire mesh spanning the entire floor 12" lower than the bottom chord of the roof truss member and that mesh supports a single layer of 12" batting insulation, then there are two 6" layers above it. I'm wanting to model the batting insulation for BIM coordination purposes and would like to know what approach is best. I thought a Ceiling category would be easy, but I'd also like this batting detail to be visible when I make my sections and I'm not wanting to reinvent the wheel here so looking for direction for this process.

    Any ideas or comments would help me out greatly. We have done the math and this mesh and the batting is too low and not going to allow our mechanical equipment to squeeze between the two and we requested the G.C. model this important element in the coordination model and they refused. Thanks in advance!

    -TZ
    Attached Files
    Tannar Z. Frampton ™
    Frampton & Associates, Inc.
    Tags: None
    #2
    Just use a roof. That way you can shape edit it, when (if) you need it to turn up and follow sloped objects.
    Aaron "selfish AND petulant" Maller |P A R A L L A X T E A M | Practice Technology Implementation
    @Web | @Twitter | @LinkedIn | @Email

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      #3
      Originally posted by Twiceroadsfool View Post
      Just use a roof. That way you can shape edit it, when (if) you need it to turn up and follow sloped objects.
      Excellent, thanks Aaron. I'm going to attempt a three layer batting material. Not sure how successful I'll be on that.

      -TZ
      Tannar Z. Frampton ™
      Frampton & Associates, Inc.

      Comment

        #4
        Huh? Just make three layers in the roof, two of which are the same material, and one of which is different. That way if you REALLY want you can Part them for Navis and have them show up as different objects.
        Aaron "selfish AND petulant" Maller |P A R A L L A X T E A M | Practice Technology Implementation
        @Web | @Twitter | @LinkedIn | @Email

        Comment

          #5
          The Insulation tool sucks. Maybe if you could tag it but the killer for me is that's its 2D. My walls, floors, roofs know they have insulation so manually track it in sections?

          I use a fill pattern. It looks different from the cute back-n-forth curves typically shown for batt insulation but it's automatic.
          Greg McDowell Jr
          about.me/GMcDowellJr

          Comment

            #6
            Originally posted by GMcDowellJr View Post
            The Insulation tool sucks. Maybe if you could tag it but the killer for me is that's its 2D. My walls, floors, roofs know they have insulation so manually track it in sections?

            I use a fill pattern. It looks different from the cute back-n-forth curves typically shown for batt insulation but it's automatic.
            I'm going to take the easiest approach so that's what I'll do. Thanks Greg.

            -TZ
            Tannar Z. Frampton ™
            Frampton & Associates, Inc.

            Comment

              #7
              ugh I hate that detail. GB on the bottom chord of the truss with insulation (batt/blown/spray foam) is a much better detail. Sorry I just have a pet peeve about insulation done that way because it NEVER seals all the gaps.

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