ANSI/AWI 0641-2019 - Architectural Wood Casework

5.3 Surface Categories

5.3.1 Exterior Surfaces

a) Defined as all exterior surfaces exposed to view, including:

• All surfaces visible when doors and drawers are closed, including knee spaces.

• Underside of cabinet bottoms over 1067 mm [42”] above the finished floor, including cabinet bottoms behind light valances and the bottom edge of light valances.

• Cabinet tops under 2032 mm [80”] above the finished floor, or if 2032 mm [80”] and over and visible from an upper building level or floor.

• Front edges of stretchers, ends, s, tops, and bottoms.

• Sloping tops of cabinets that are visible.

5.3.2 Exposed interior surfaces

a) Defined as all interior surfaces exposed to view in open casework or behind transparent doors, including:

• Shelves, including edgebanding.

• Divisions and partitions (front edge is an exposed surface).

• Interior face of ends (sides), backs, and bottoms (including pull outs). Also included are the interior surfaces of cabinet top members 914 mm [36”] or more above the finished floor.

• Interior face of door and applied drawer fronts.

5.3.3 Semi-exposed surfaces

a) Defined as those interior surfaces only exposed to view when doors or drawers are opened, including:

• Tops and bottoms of shelves, including front edgebanding (front edge is an exposed surface).

• Divisions and partitions (front edge is an exposed surface).

• Interior face of ends (sides), backs, and bottoms (including a bank of drawers). Also included are the interior surfaces of cabinet top members 914 mm [36”] or more above the finished floor.

• Drawer sides, sub fronts, backs, and bottoms.

• The underside of cabinet bottoms between 610 mm [24”] and 1067 mm [42”] above the finished floor.

• Security panels or drawer stretchers.

5.3.4 Concealed surfaces

a) Defined as those exterior or interior surfaces that are covered or not normally exposed to view, including:

• Toe spaces, unless otherwise specified.

• Sleepers, stretchers, and solid sub tops.

• The underside of cabinet bottoms less than 610 mm [24”] above the finished floor.

• The flat tops of cabinets 2032 mm [80”] or more above the finished floor, except if visible from an upper floor or building level.

• The three non-visible edges of adjustable shelves.

• The underside of knee spaces, s and drawer boxes that are less than 914 mm [36”] above the finished floor.

• The faces of cabinet ends of adjoining units that butt together.