Milgard Ultra Series
Constructed with fiberglass frames that expand and contract at the same rate as glass (reducing stress over time,) Milgard's Ultra Series windows look like traditional wood windows but with the durability advantages of fiberglass. They come in several factory-painted colors and a full lifetime warranty.

Marvin INTEGRITY WINDOWS
Ultra-durable and requiring very little maintenance over their long life, Marvin's line of "Ultrex" fiberglass windows have many special features such as built in sheetrock returns and numerous hardware configurations. This gives contractors the ability to install them right the first time, and buyers the flexibility to create the look they want using a high-tech product.

Andersen 100 Series Window with SmartSun Glass
Andersen's 100 Series of windows features an economical price and energy-saving performance. Frames are made of Fibrex, a composite of sawdust and polymer, and the SmartSun low-e glass qualifies for tax credits.