Thermally Improved Aluminum | A250 Sliding Patio Doors


For a contemporary style combined with energy efficiency, it’s hard to beat Milgard Thermally Improved Aluminum Series patio doors. Great for replacement projects and new construction, aluminum patio doors offer narrow sight lines to inspire design freedom. Plus, these patio doors include a polyurethane channel to reduce thermal transfer and help improve your homes comfort.
Benefits of Thermally Improved Aluminum | A250
- Strength
- Contemporary Frame
- Energy Efficiency
- Durability
- Lifetime Limited Warranty

Strength
These patio doors are designed with clean, narrow sight lines that only the strength and stability of aluminum can provide. Milgard Aluminum Series patio doors are built with high quality components that start with our rollers and go all the way to the frame itself.

Contemporary Frame
Aluminum patio doors provide narrow frames and clean lines offering a very contemporary look in any home. When a modern architectural style is desired, these patio doors can achieve a variety of contemporary design requirements.

Energy Efficiency
Milgard Thermally Improved Aluminum patio doors are equipped with a thermal barrier that makes them more energy efficient. Polyurethane is placed between the frame to create a thermal break reducing the flow of heat and improving insulating ability. (Not available in all areas.)

Durability
Aluminum patio doors beautifully accentuate the clean, thin lines of contemporary design with their narrow sight lines and modern metal look. They have an extremely long life and are highly resistant to outside weather elements due to their rigidity and durability.

Lifetime Limited Warranty
Milgard Thermally Improved Aluminum patio doors rate high in appearance, strength and value. Plus they're covered by the Milgard Lifetime Limited Warranty.
Photo Gallery

The door is solid, slides smoothly, locks easily, and keeps the cold air out.
- Eugene, OR

The door is beautiful and maintains the mid-century modern look of my home.
- Salem,OR

The Milgard aluminum sliding glass doors are great, and the high quality is very apparent.
- Los Angeles, CA

It is sleek in design and slick in function. We're thrilled with the way it almost eliminates outside noise.
- Gig Harbor, WA
Thermally Improved Aluminum | A250 Operating Styles
- Sliding

Sliding
Because of their clean, narrow sightlines, Aluminum Series patio doors provide an almost seamless view outside. You can select which way the door slides opens, either left or right.