Fiberglass Windows

Fiberglass Windows in Eastern Iowa

Are you looking for replacement windows for your house?

Fiberglass is well known for its longevity and remarkable energy saving qualities—even in extreme weather conditions, which can be especially useful in Iowa’s ever-changing weather conditions. Fiberglass resists the transfer of heat and cold—making it an exceptional choice for windows. Marvin Infinity Ultrex fiberglass replacement windows and patio doors are designed to replicate the look of traditional wood windows while providing modern features and low-maintenance, yet long-lasting performance. In addition, fiberglass will never rot or corrode and is much less likely to crack or warp under normal conditions.

With these state-of-the-art fiberglass windows, you can replicate the look and elegant character of a traditional wood window, without the maintenance of resealing and refinishing. You will love the look and the ease of care.

Fiberglass windows in Iowa are low maintenance – built to endure a variety of climate settings and to save you money.

Did you know that fiberglass windows are 8 times stronger than vinyl windows? That means the shape and quality will stand up to the test of time, and your window frames will not expand, contract, and warp.

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Why choose fiberglass?

  • Intricate profiles are beautiful and replicate the look of traditional wood windows.
  • They are low maintenance windows in comparison to wood.
  • Ultrex fiberglass is 8x stronger than vinyl — one square inch can support 41,000 pounds!
  • Base material is silica sand, which is an abundant natural resource.
  • Low expansion provides easy operation for the life of the window, because it won’t expand and stick — even during Iowa’s hottest summer months.
  • Strength keeps windows square and true, which will help it remain easy to operate year after year.
  • Narrow profiles allow for more visible glass area and expanded views.
  • Patented, mechanically bonded inline acrylic finish is up to 3x thicker than competitive finishes, providing superior resistance to discoloring, scratching, and denting.
  • Fiberglass windows have a 38% longer useful life expectancy than vinyl due to stronger construction.
  • Infinity windows with Low E glazing are energy efficiency and can reduce your heating and cooling bills by up to 30%.

Are you looking for more flexible payment terms for your window replacement? Contact us to inquire about home improvement financing.


(updated January 2022)
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Mon – Thu 8am – 5pm
Fri 8am – 4pm
Saturday 9am – Noon

(open late by appointment)

(319) 378-1221


1205 North Center Point Rd.
Hiawatha, IA 52233




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