Tri-State Window Factory

French and Patio Doors

This patio door series has advantages that are not available in other patio doors.

We’ve built outstanding Tri-State quality patio doors: wood jamb on master frame covered with vinyl, tempered Low E glass, high performance argon gas, pulled key lock and extra security foot lock.

This elegantly designed patio door will let you add decorative panels and grilles, and surprise you with its ease of operation.

High performance
Doors from this series are tested against the toughest industry standards for air and water infiltration, wind load resistance, ease of operation, forced entry and much more.

Which means you’ll have lower heating and air-conditioning costs, easier cleaning and low-cost maintenance, in addition to increased comfort—for total performance satisfaction all year round... for years and years to come.