Are Fiberglass Windows Toxic?

Fiberglass windows are extremely safe and do not off-gas like vinyl windows. The main precaution is during manufacturing and insulation, and that is because the fibers could be inhaled. However, only fibers of a certain length can get into the respiratory tract; therefore, most fiberglass is now manufactured to be longer one-eighth of an inch.

Fiberglass window screen frame

If you happen to have pets or kids that love to lean on and push on window screens, fiberglass window screens may save you a lot of headaches. When pushed against, fiberglass springs back into place and lasts up to 12 years. Fiberglass window screens keep insects out and will not rust, corrode, or shrink.

Can Fiberglass Window Frames Be Painted?

One of the benefits of fiberglass is that it can be painted. With fiberglass windows, you have a lot more options for color and style - you are no longer limited to only white window frames! It’s essential to pick the right type of paint coating to ensure it doesn’t fade right away, or in some cases, crack.

Are Fiberglass Windows Better Than Aluminum?

Both fiberglass and aluminum are durable options for windows; however, the overall strength and value of fiberglass has aluminum beat. They both require low maintenance and can retain their new appearance for years. A significant advantage that fiberglass windows have over aluminum is its energy efficiency.

Advantages of Fiberglass Window Frames

A fiberglass window frame is stronger than wood and does not warp. It’s even up to eight times stronger than vinyl. Since fiberglass is sourced from glass, both the frame and the glass panes expand and contract with temperature changes at the same rate. There is less chance of a seal failure because of this. They are also weather-resistant as they won’t absorb excess moisture. Fiberglass windows frames are extremely energy efficient and are the best insulator in comparison to aluminum or vinyl frames. Because the frames are better insulators, it has also made them better at reducing noise. Fiberglass window frames also resist fading, chalking, peeling and cracking, and meet or exceed federal ENERGY STAR® guidelines.

In-Depth Product Guide

Fiberglass Window Frame

FAQs

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Fiberglass has been around for over 80 years and has been used to make strong, durable, and lightweight products such as skis, surfboards, and boats. A fiberglass window frame is made of fiberglass with hollow pockets inside the frame that are typically filled with insulation. The fiberglass used consists of around 60 percent recycled glass.

Look for windows with other energy efficiency features, such as multiple panes, argon-filled and low-e coatings.

The insulating value of windows is usually rated by the whole window U-factor and the lower the value the better. Energy Star rated windows should have a U-factor of 0.27 Btu/hr-sq ft °F or less for Northern climates.

Fibreglass window frames are durable and low maintenance, and can be very energy efficient.

Early window frame materials included wood, iron, and lead. Of those, wood is still used today, and metal frames have graduated to aluminum, stainless steel, and coated steel, with insulation breaks to cut heat loss. Lead is no longer commonly used in window frames.