Fusion-welded sash and mainframe

Extra deep weatherstripped integral interlocks at meeting stiles for added protection against air infiltration 

Vertical sash components are metal reinforced for added structural strength

Low friction adjustable tandem rollers

Screen with four-point roller adjustment

Insulated glass unit with Intercept Warm Spacer System and optimal air space for year-round performance

Panels slide on dual adjustable steel wheels with steel ball bearings for smooth movement

Heavy-duty aluminum screen with four-point roller adjustment

Weatherstripped integral interlock at meeting stiles

Fully weatherstripped at jambs, header and sill for improved for improved energy efficiency

Available with Left or Right operating panel

Available in both White & Beige

Many glass, grid & lock options available