Cornerstone Premium Hinged Patio Doors and Frech Doors.
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Cornerstone Premium Hinged Patio Doors and French Doors
Cornerstone Hinged and French Patio Doors are constructed like no other. They feature heavy-duty adjustable hinges that are durable and weather resistant. The center hinged door features one operating and one fixed panel, while the French Door features two operating panels.
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Traditional Beauty
- Contoured mainframe and astragal
- Solid brass lockset and handle
Unsurpassed energy efficiency
- Full 1“ insulating glass
- ClimaTech® high-performance glass
- PVC threshold with anodized aluminum sill cover
- Dual seal weatherstripping
Maintenance freedom and ease of use
- Everlast™ virgin PVC vinyl never needs painting or staining
- Three point locking system with deadbolt
Lifelong strength and durability
- Lifetime Limited Transferable Warranty
- Fully fusion-welded frame and door panels
- Aluminum reinforced frame and sash
- Lifetime Limited Transferable Warranty