Structural Semantics
Dimensions, clearance, and structure
Large openings require more than width and height checks. The rough opening, wall depth, structural opening, header or lintel, ceiling condition, and available track space shape the system direction.
- Opening width, height, rough opening, and wall depth
- Headroom, side clearance, ceiling space, and track path
- Inside mount, exterior mount, face mount, and project-specific installation position