Specification Sheet: Series 6242 Rolling Steel Service Door Windload: Designed to withstand specified windloads in order to reduce curtain deflection or prevent curtain/guide disengagement. Curtain: Interlocking curtain slats roll-formed from 24 gauge galvanized steel. Insulated curtain slats contain foamed in place urethane insulation. Curtain contains a 24 gauge steel backer slat. Lateral slat movement and curtain wear controlled by galvanized malleable cast endlocks fastened to every other slat. Windlocks are added as dictated by door size and windload requirements. Bottom Bar: Fabricated from two galvanized steel angles for non-windlock doors. Windlock doors use 2” x 2” x 1/8” steel angles, painted or optional galvanized, bolted back to back with adjustable tubular bottom astragal. Stainless steel angles with #4 finished provided on stainless steel curtains and clear anodized aluminum angles provided on aluminum curtains.
