Series 1781 Bi-folding Door
Description: Series 1781 is a thermally broken top-hung bi-fold door system using an isobar thermal break. 0/a frame depth is 4 1/2" and panel thickness is 2 1/4" using eclipse (e3) carrier system.
Finish: Aluminum extrusions are stocked in #10 mill finish #17 clear anodized. Other finishes available upon request. Delivery will depend on finish.
Limitations: Maximum panel weight: 220 lb. (100 kg) each panel; Maximum panel width: 39" (990mm); Maximum panel height: using 1" igu (6mm+6mm) 118" [2997mm]; Maximum numbers of panels: 8 panels fold to one side.
Assembly: Welded corner bracket assembly.
Glazing: Series 1781 doors will accept 1" (25mm) sealed units.
Installation requirements: Top track must be anchored to solid structure adequate to carry the total weight of the door. At each end of the track, the door frame must be levelled, squared and bottom track must be plumbed with the top track.