Milgard Products

Standard aluminum

Light yet strong, aluminum frame windows and patio doors can be configured into a wide variety of combinations. The narrowness of the frame places the focus on the glass and subsequently, the view it offers. Multi-panel glass walls are often made with aluminum frames to facilitate indoor/outdoor living. Milgard aluminum frames are available in anodized or baked-on finishes for long lasting color. Sealed, mechanically joined corners stay square and true over years of use.

Aluminum is not recommended in beach homes for while the material is water resistant, it can suffer corrosion from salt water and salt air. The corrosion affects hardware operation and frame performance.

Because aluminum conducts heat and cold well, Milgard offers a Thermally Improved Aluminum frame in select regions. Thermally Improved Aluminum windows and patio doors are equipped with thermal breaks to separate the interior and exterior surfaces and reduce heat transfer.


Fiberglass window and door frames are essentially composed of glass fibers and resin, materials that expand and contract very little with temperature changes in the weather. Until recently, the complex profiles required for window designs have been impossible to attain with fiberglass. Innovation has made it possible to design a fiberglass frame and fiberglass windows and patio doors are becoming more popular among homeowners for its beauty and long-lasting durability.

Fiberglass windows and doors resist swelling, rotting and warping. The frame expands and contracts at approximately the same rate as the insulated glass it holds for improved energy efficiency and strength. While fiberglass frames do not require repainting for upkeep, the material is able to be repainted if you prefer to change colors.

The process Milgard uses to create their fiberglass window and patio door frame lineals is called pultrusion. Glass rovings and mats are pulled at tremendous forces through a resin bath and a series of dies. These materials combine and catalyze to provide tensile and torsion strength. Milgard regularly tests its fiberglass lineals for color uniformity, gloss, film thickness and chemical resistance for quality and long-lasting performance.


Vinyl frames are made primarily from polyvinyl chloride (PVC). This material has many advantages, including being virtually maintenance-free. Not all vinyl window and door frames are the same. There will be differences in the quality of one manufacturer’s vinyl compared to another. This is because a vinyl frame is made from a compound—a recipe of sorts—that dictates its performance over time. Each additive to a company’s vinyl recipe helps determine the long-term characteristics of the final product, like its weather and impact resistance. For example, titanium dioxide makes the vinyl more heat resistant. At first glance, competing windows may look the same, but there can be key differences in the vinyl recipe used and how vinyl parts are formed to make a window structurally strong and optimize insulation performance.

Generally, vinyl windows and doors are available in white and various neutral colors. Milgard developed a two-coat formulation in eight premium exterior vinyl finishes from Bronze to Sand, in addition to our standard colors of white and tan. New coating technology allows UV rays to pass through the color formulation and reflect off the vinyl frame. This preserves the exterior finish resulting in a vinyl window or patio door that can look nearly new for years.

Milgard developed their own vinyl formula which is produced in controlled environments to exacting standards. It includes high quality titanium dioxide and stabilizers to ensure the final product is heat stable with high performance physical properties and all final products undergo extensive testing for quality and consistency. Plus, Milgard extrudes its own vinyl components. This all adds up to durable, reliable, high-quality vinyl replacement windows and patio doors. Also available in remodel or new construction applications.

Fleetwood Door Products

The Series 4400-T, a magnificent pivot door, is part of the Gen4 family and is the only door in its class. Designed for elite luxury houses, it boasts a weather rating and JUMBO sizes with a concealed In-Rail Closer. The patent pending sill design allows for a unabated flow of interior and exterior flooring.

The Series 4070-T multi-slide door is the first product in the Gen4 line. This extraordinary door is capable of extreme sizes and features our proprietary Arche-Duct sill that utilizes the finished floor as the threshold.

The Series 3070 is designed for exterior applications requiring operable or pocket systems.

The Series 3070-T is the thermally enhanced version of the Series 3070.

The Series 3070-HI meets or exceeds the HVHZ (High Velocity Hurricane Zone) requirements for missile impact rated product.

The Series 3050 is designed for interior applications. However, design professionals are taking advantage of the unique features of this door product and are using it in exterior applications as water and wind load concerns are addressed.

The Series 3000 was designed for the luxury home and high performance market.

(Traditional Sliding Door)

The Series 3000-T is designed for the luxury home and high performance market.

(Thermal Frame Traditional Sliding Door)

The Series 3900-T is designed for luxury home applications in which high performance and superior quality is demanded.

The Series 3200-T is designed for home applications in which superior quality and narrow sightlines are demanded.

An elegant, spacious alternative to traditional sliding glass doors.

The Series 1070 is ideal for projects that cannot afford the Series 3070 yet want Fleetwood over common doors.

The Series 1050 is ideal for projects that cannot afford the Series 3050 yet want Fleetwood over common doors.

The Series 1000 is ideal for projects that cannot afford the Series 3000 yet want Fleetwood over common doors.

Fleetwood Window Products

The Series 4800-T window-wall addresses the need of elite dwellings for large glass façades without having to resort to commercial window systems, whose craftsmanship pales in comparison to that of Fleetwood. The 4800-T is part of the Gen4 line and allows operable inserts with the Series 450-T.

We designed the Series 3800-T fixed window-wall system as an alternative to commercial storefront. Designers and building professionals appreciate the sleek lines and scale of commercial storefront BUT prefer factory built systems because of the many benefits listed below. The Series 3800-T provides the sightline benefits of storefront with all the advantages of a factory built product.


The Series 3800-T is an adaptable product that offers everything from a simple fixed window to transoms, to elaborate grid window-walls with operable window inserts. The Series 3800-T is an ideal complement to any of our door products and is a wise choice over commercial storefront. We have provided a few comparative items below.

Series 450-T

The Series 450-T is Fleetwood’s next generation operable window and is part of our elite Gen4 family. New technologies afforded our engineers the ability to design this window to provide more glass, a sleek cube design, an inherent shadow line, and improved energy efficiency. These exceptional traits are complemented with our proprietary Archetype hardware.

The Series 250-T casement, awning and hopper windows offer clean, linear sightlines

The Series 530-T has the distinction of being Fleetwood’s premier thermal frame sliding and single hung window system.