Exceptionally strong and low-maintenance fiberglass window and door frames from Milgard are ideal for any style and climate.
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The dimensional stability of Ultra™ Series fiberglass windows make it a popular choice for high humidity and high heat environments, such as bathrooms and kitchens.
Milgard Ultra™ Series fiberglass window frames come in a palette of rich, designer colors. From warm ‘harmony’ to bold ‘black bean’, get inspired with all the possibilities and give your home the custom look and feel you have always dreamed of.
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.
Milgard’s fiberglass is produced using a process 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. All final products undergo extensive testing for quality and consistency.
