Sliding glass doors can add ventilation and natural light ... Soundproof: $2,000 to $3,500. Double-pane: $2,500 to $3,500. Glass doors with multiple panes provide more insulation and are more ...

If your single-pane sliding glass door is broken or structurally unsound, consider replacing it with new vinyl patio doors equipped with double or triple glazing. Modern Ecoline patio doors come with ...