PMMully

Ways to account for dimensions off exterior walls only?

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Here in FL we do mainly CBS type of construction. I copied the default CBS wall type and created a "Std FL CBS" wall type that adds a 3/4" rigid insulation board as well as the 3/4" fir strip the interior. I have seen countless slab misses in the field when the plumber/electrician does not realize the extra 3/4' for the foam. So I am looking to create a way to have interior dimensions that are taken off exterior walls on the plan take this into account. I guess I could change the block width, or make the interior dimension defaults point to the surface. But this is only for measurements off exterior walls. Most framing crews here want to go off the block to the wall dimension layer versus the surface. How do 'yall handle this?

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What would happen if you moved the foam to the Main Layers?

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I was thinking that making the block wider would do it, and remove the layer. But that is a way better idea. Thank you.

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