Bi-Folding Door

ADVANCED DESIGN

PERIMETER FRAME

• Head rollers and sill guide roll at the center of panels in line. (Not an offset rolling hinge system).  The weight distribution is balanced.
• Perimeter frame depth is minimized to 2.087”
• Head and jambs are single hollow and the sill is double hollow
• Head is carried by a heavy compensation channel.
  • The compensation channel is fastened to the beam
  • The head is fastened to the compensation channel by a high strength steel bolt, washer, spring and nut.
  • In the case of sagging of the beam, it is possible to raise up the head at the center area by up to 3/8”
• Before the gaskets, both sill ends are silicone filled so that they are water tight.
• Sill has back wall against water penetration.

PANELS

• Heavy walled hollow stiles and rails are mitered with heavy corner keys
• High performance against air, sound and water penetration
• Double seals; swing out panels have seal carriers at the top and bottom rails.

ROLLERS

• Fusion forged

HINGES

• Adjustable to be moved vertically so that panels can be adjusted if there is a shift in the opening

SEALS

• Stile seals are EPDM (rubber)

CONFIGURATION & SIZES

• Open Position; Stacked panels in the open position are held together by spring loaded magnets.
• Standard is SO (swing out).
  • Back wall of the sill is interior.
• Maximum panel weight will be 220lbs
• Maximum panel size will be 46” x 120”

SECURITY

• Strong and solid key cylinder lock.