Technical Information
Index uses standard Sheerline patented corner cleats to lock in quality and strength and installer friendly pre-gasketed clip-in beads.
A single roller elminates the need for a dummy or floating mullion, creating slimmer more balanced sightlines.
Double wheeled design.
Fully compatible with Sheerline’s standard ancillaries.
Part L compliant – no fuss, no foam.
U-Values – double glazed 1.4 U-value.
Sightlines – 72mm outer frame, 108mm outer frame / sash, 134mm sash / sash.