Outside reveal depht and internal/external dimensions

leone977 · Posts: 5

Hi to all forum users.

From E+ I/O Reference: "The outside reveal surfaces (top, bottom, left, right) have the same solar absorptance and depth. This depth is not input here but is automatically determined by the program— from window and wall vertices--as the distance between the plane of the outside face of the glazing and plane of the outside face of the parent wall."

This is confusing me because from my experience walls vertices coordinates of the IDF file are defined by Design Builder from the coordinates of the vertices of the internal surface of the walls regardless of wall thickness. So in my thought E+ uses internal dimensions. Is it correct?

If it is correct i can't understand how the outside face of the wall that appear in the I/O Ref statement can be defined to assign a depht to the outside reveal?

Thank you for any help

Leone

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