Replacement Fiberglass Windows

Featuring excellent strength, durability, and energy efficiency, fiberglass windows effectively blend modern material technologies with versatile styling options typically associated with "traditional" window types (such as wood or vinyl windows. As a result, fiberglass windows have steadily become increasingly popular with Northwest homeowners and builders.

Fiberglass Windows:
A Smart Choice for Seattle Homes

Why are so many Seattle area builders, homeowners, and architects choosing fiberglass for their new projects? From a mechanical perspective, fiberglass frames are valued for their strength, rigidity, and excellent energy-efficiency. Due to the fact that fiberglass is made primarily of glass, the fiberglass frame and insulated glass unit expand and contract at very similar rates, thus putting less stress on the sealed insulated unit.

Though often associated with bold, modernistic design...

...Fiberglass windows are also be easily adapted to compliment more subdued or "classic" themes.

Stylistic Versatility

Fiberglass replacement windows are available in a wide range of designs, and are relatively simple to paint.

Fiberglass makes an especially great choice for homeowners seeking darker colors, as the additional thermal absorption of darker colors provides improved protection against potential frame distortion caused by heat.


Last but not least... Fiberglass Windows are Eco-Friendly!

Fiberglass windows are some of the most eco-friendly windows available. Not only does fiberglass save energy (and money) through superior insulative performance - it's also manufactured in an environmentally low-impact process, using highly sustainable material (primarily sand).

Why do we Recommend Milgard Fiberglass Windows?

At Lake Washington Windows & Doors, we have chosen to offer Milgard Window's fiberglass line of window products, called the Ultra Series. Milgard is the largest fiberglass window manufacturer in the West with, a proven track record for quality and service.

Furthermore, their lifetime material and labor warranty is the best in the industry. Milgard is also a local manufacturer - founded in Tacoma, Washington in 1958.

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