UPDATE :
Key Benefits
Beveled, multi chambered extruded vinyl
Improves energy efficiency while providing an aesthetic look
Autolock
For easy locking and heavy duty hardware on casements & awnings
Integral pull rail
For easy operation of moving sash
Steel and aluminum reinforce sashes
For structural integrity
All metal wheel rollers
On sliding models for long lasting smooth performance
Duralite spacer
Enhance thermal performance of glass components
3/4" insulated glass unit
Featuring LoE3 glass
Full weather stripping
For enhanced thermal performance