BIM Q&A | Understanding the Difference Between Revit Wall Surface Layer 1 and Surface Layer 2

BIM Q&A | What is the Difference Between Revit Wall Functional Area Surface Layer 1 and Surface Layer 2?

The primary difference lies between the baseline and the wall’s paint or decorative layers. Surface Layer 1 typically represents the outer edge of the wall’s surface, serving as the reference line for the core structural layer’s outer boundary.

To clarify further, the distinction between the wall line and the core layer is important. When depicting the wall, the thickness of both the inner and outer surface layers should be measured and drawn in relation to the same core layer line to ensure accuracy in the model.

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