heavy duty (heavy-weight curtains)
Cross section
cross_section_mm
14 gauge formed steel channel or 12 gauge aluminum channelga
Max Curtain Weight Lb Per Ft
max_curtain_weight_lb_per_ft
20 (HD polyethylene) / 30 (neoprene BB) / 50 (nylon BB)lb/lineal ft
Section Length Max Ft
section_length_max_ft
Max Track Length
max_track_length
Carrier Spacing In
carrier_spacing_in
Max Mounting Span Ft
max_mounting_span_ft
galvanized (steel) / black anodized (aluminum)
Every field carries its own trust-tier: core data is confirmed by the manufacturer, peripheral data — by AI (with a source link). Safety-critical parameters (load ratings) are never published below vendor-claimed — a liability requirement.