1. Compression weatherstrip provides a tight seal and remains flexible. 2. Insulated polyurethane foam core provides up to 5 times the insulation value of wood. 3. Heavy-duty door sweep creates a tight seal. 4. Rot-resistant jambs composite end design guarantees solid protection where it is needed most. Primed, ready to paint. Resists rot & insect damage. 5. Leak Protection Pad. 6. Adjustable thermal break threshold is maintenance free and has rot resistant composite cap with a unique self-sealing design. 7. Insulated tempered safety glass is up to 4 times stronger than ordinary glass. When struck, breaks into pebble-like pieces. 8. Lock block with double bore provides extra support for security hardware.

The Patio collection offers the largest choice of configurations designed to make any room more complete. Choose from a single unit all the way to a quad unit. In the patio collection, an operational panel is always adjacent to one or two fixed panels. White sliding screen for inswing units available. Years of trouble-free performance with each component designed to work together for maximizing energy efficiency and security. All doors meet the strict guidelines of the Federal Energy Star guidelines for energy efficiency. Each unit is pre-bored to accept a double locking system within a reinforced wood block for added security.  Door arrives unfinished or choose from 5 different factory stain finishes and 20 different factory applied paint colors. Many different glass styles choose from to create your personal unique look.