A cabinet sits against a wall. A wall system replaces it. That distinction — cabinetry as furniture versus cabinetry as architecture — changes almost every decision that follows, from grain sequencing to how a door is allowed to open.
The wall becomes the unit of design
Once millwork wraps an entire wall, the individual cabinet stops being the unit of design — the wall is. Panel widths, reveal lines and grain direction all have to resolve across the full elevation, not just within a single run of cabinetry.
What disappears
Doors, storage and even secondary rooms can be built into the system without interrupting it, which is what allows a library wall to conceal a home office, or a hallway of paneling to hide mechanical access — the architecture keeps its composure regardless of what's happening behind it.
“The best compliment a wall system receives is that no one notices it's a wall system.”