Elegant Thermal Performance

With a frame profile intersection of just 99 mm (3.875 in.), the SL84 folding frame system reaches a new level of aesthetics with a super-slimmest aluminum profile and minimal exposed hardware. On the performance side, the system utilizes continuous seals along the face of each panel, and two levels of insulating thermal breaks aid against heat or cold. Depending on the glazing of the unit, panel sizes can reach heights up to 11 ft. 6 in.

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