Thanks about this picture !
You are able to connect wall with shell or roof by this way :
Right clic after selecting roof and wall and clic on "single-pan roof connection"
It is possible to connect shell/roof with wall/curtain wall too !
Christophe - FRANCEArchicad Designer and Teacher
Archicad 15 to 27 FRA FULL
OS 13 Ventura - MacBook Pro M2 max- 32Go RAM
"Quality is never an accident ; it's always the result of an intelligent effort" John Ruskin