Glazing
Full sash section with 1/8" (3 mm) DSB insulated;
1/8" (3 mm) and 1/4" (6 mm) plexiglass
Individual lites with 1/2" (13 mm) DSB;
1/8" (3 mm) and 1/4" (6 mm) plexiglass;
1/8" (3 mm) and 1/4" (6 mm) Lexan;
1/8" (3 mm) and 1/4" (6 mm) Tempered;
1/4" (6 mm) wired
Safety
Bottom sensing edge
Operation
Electric operator or chain hoist
Hardware
3" (76 mm) track
Bracket mounting (not available on full vertical door tracks)
Higher-cycle springs in 25k, 50k, 75k, 100k cycles
Reinforcing struts of roll-formed steel hat sections
Weatherstripping
Jamb weatherseals,top seals, in-between sections seals, bottom strips (including looped PVC weatherstrips), flexible PVC astragal weatherstrips, and double-contact weatherstrips
Exhaust ports
Movable center posts
For 3" (76 mm) tracks that roll away, with automatic safety catches that prevent door closure when posts are removed
Tumbler keyed lock