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Thread: Revit 2019 Easy way to add Spray Foam

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    Revit 2019 Easy way to add Spray Foam

    Hi, is there a straight fwd way to add Spray foam insulation to my sections? I'm relatively new to Revit, so if the replly can be relatively straightforward I'd appreciate it.

    Thx

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    Senior Member biff's Avatar
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    There is an insulation tool in the annotation? Menu.

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    Member scourdx's Avatar
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    you can create it using repeating detail component.

    detail object.rvt

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    Can't see this in Annotation.

    I am unable to add a RVT file frm outside the company I work for.

    Any other ideas?

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    The insulation in the Detail group on the Annotation Tab is for batt insulation and I'm guessing you want a different look for the spray foam.

    Your best bet (whether or not you could download the RVT file) is to create your own detail component. If you want it to have a wiggly line indicating the irregular nature of spray foam, then you would create a repeating detail component. If that's not important a line based component showing the minimum thickness would work as well.

    Here's one tutorial: https://bimscape.com/autodesk-revit-...ating-details/
    Last edited by CADiva; September 16th, 2020 at 04:06 PM.

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    Moderator Robin Deurloo's Avatar
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    Doesn't that foam need to be modeled instead of 'just' an annotation, so people with just an IFC for example know where it needs to go?

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    Quote Originally Posted by Robin Deurloo View Post
    Doesn't that foam need to be modeled instead of 'just' an annotation, so people with just an IFC for example know where it needs to go?
    Fair point. I guess that depends on the discussion with your team and those using the model down the line. If it does need to be modeled, it could be built into the wall type. I'm not going to chase the thought, but I might start with this video as a guide how to incorporate the spray foam into a wall type while also maintaining the structural layer.

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    Quote Originally Posted by Robin Deurloo View Post
    Doesn't that foam need to be modeled instead of 'just' an annotation, so people with just an IFC for example know where it needs to go?
    Completely depends on the BIM Execution PLan, and what the project teams have agreed to do, beforehand. I will say that spray-on insulation gets VERY complicated, to model "correctly." Where its on Structure, you basically either need:

    1. An entire custom library of Structural Columns, and Framing Members (and all nested components), that have the insulation done as Shared Nested Components (to be effective).
    2. A setup to do the entire thing through an app or dynamo, using something like Direct Shape (which is probably way more efficient now, versus option 1).

    Option 1 is even more complicated because the geometry of the insulation affects the way the beams and columns behave, from a structural point of view, in Revit (we have a library like this).

    It gets further complicated by how AEC contracts are drawn up: The spray on insulation is typically specified (thickness, ratings) by Architecture, while the Structure is (of course) modeled by Structural. AND... The Spray on doesnt always run full height, or full length, or on all sides.

    So... *Yes,* it *should* be modeled. Thus far, only the best of the best seem to do it, though. Even then, not often.

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    So if it does not get modeled, the ones that need to apply that foam get their info from the fire resistance parameter of the object that the foam is applied too and calculate the thickness from that?

    Don't think I ever did a project with fire resistant foam in Revit (or at all, don't think it is very common in Holland), so trying to figure out how that works in practice.

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    Moderator Robin Deurloo's Avatar
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    Quote Originally Posted by nutech12 View Post
    Can't see this in Annotation.

    I am unable to add a RVT file frm outside the company I work for.

    Any other ideas?
    Not sure how that works, but if you can download the family you can add it to your Revit project (assuming it is the right version), don't think you can lock that down.

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