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- Fusion-welded dual wall construction
- 3/4" double-strength insulated glass for excellent thermal efficiency
- Exterior beveled master frame to enhance aesthetics.
- Multi-chambered slim-line extrusion design for maximum strength and viewing area.
- Pocket sill design with triple weather-stripping insures tight seal of operating sash against air and water infiltration.
- Dual wall glazing bead with co-extruded durometer provides strength and insulation and deflects moisture away from glass.
- Brass ball bearing roller system glides upon monorail track allowing weight dispersion and ease of operation .
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