Cost of Fiberglass Windows

Fiberglass windows are becoming a well respected alternative to vinyl windows due to their durability and eco-friendliness. The frames tend to be stronger, more weather resistant, and less likely to corrode or warp. One of the best features is that fiberglass expands at close to the same rate as glass, so there fewer leaks. With these exceptional features, the cost of fiberglass windows, while more costly, is still pretty comparable to other choices.

What's The Average Cost To Buy Fiberglass Windows?

Low Cost Fiberglass Windows:

Basic level fiberglass windows will run between $200 and $300 for the window itself. These have lower efficiency glass and are available in standard sizes at most home improvement stores. They could be fixed frame, single hung, or horizontal slider. Installation can run anywhere between $50 and $250 depending on the opening and whether frames, sills, or inserts are needed. A basic window plus installation costs from $350 to $450.

Medium Priced Fiberglass Windows:

For mid level windows, the quality of glass goes up for high energy efficiency, as does the type of window. Casement, double hung or awning windows are typically available at this level for $300 to $400. Again, the installation price will depend on the work and materials needed to complete the space. Final cost runs from $450 to $650.

Premium Fiberglass Window Prices:

Premium fiberglass windows will have very high energy efficient glass, as well as extra upgrades like top of the line metal hardware, non metallic spacers, and come in a variety of styles and custom fits. Before installation, the windows cost between $400 and $600. Adding in the installation costs can bring the total to $650 to $850 per opening.

When's The Best Time To Buy And Install Fiberglass Windows?

When purchasing windows, it's important to think of the long term benefits, but it's also important to remember the whole price. Professional installation will always increase the cost, but bring peace in knowing it's done right. Remember to research all options before deciding what will work best for you. The best time to buy fiberglass replacement windows would be late-spring to early-summer; this is when it's slow for both: contractors and replacement window manufacturers.

Last Updated:2/3/2019

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