Thank you; it's a beautiful home!
Here are the details:
Ceiling apron is a TEC 741 profile (this is a local supplier) out of 1x4.
The crown is a Klumb 505 cove crown from 1x7.
The wall apron is a TEC 1584 profile out of 1x6.
I hope you find this useful.
Bergeron Custom Homes, LLC