- Rigid multi-chambered PVC extrusions providing structural integrity and highsound and thermal insulation qualities.
- Precision mitered and heat-fusion welded corners.
- Integral vinyl pre-punched nailing flange for fast and efficient installation. Flush fin available upon request.
- High performance dual weather stripping minimizing air infiltration, reducing energy costs.
- Metal reinforced interlock, providing superior strength and rigidity.
- Flared interlocking profiles result in consistent and reliable operation and provides a tight seal.
- Heavy-duty lock and interior handle are standard on all units.
- Fully adjustable metal rollers provide smooth operation and reliable performance year after year.
- High performance glazing options include Low-E coatings, tints, solar-cool reflective glass, and argon gas.