Informal not scholarly research on discussions of offgassing from marvin integrity windows.
Fiberglass windows off gassing.
Accoya wood is also a healthy window option.
Fiberglass windows have been around for a while but in recent years the product has achieved a higher profile.
If your scamp is in storage use a solar powered exhaust fan to get rid of any off gas accumulation and bring in fresh air.
At night you can leave a window open a tiny bit and crack open the roof vent to allow for fresh air infiltration throughout the night.
The amount of off gassing varies with environmental conditions such as temperature ventilation and others.
While you are scamping keep the door open and or leave windows open for cross ventilation.
This process is a characteristic of the material and is not a product defect.
Window frame materials windows made of thermally broken aluminum are the top choice for non toxic windows.
I would think that 100 fiberglass would not off gas but i ve read a few comments by others suggesting that fiberglass does off gas somewhat and or that fiberglass windows are coated with an acrylic capstock to block uv radiation and that this off gasses.
However many other additives are used in window frames like plasticizers and dioxins that can compound the problem.
As with other composite materials ultrex pultruded fiberglass can off gas a small amount.
Vynil windows probably contribute more to harmful off gassing than any other components found in homes.
There are also fiberglass exterior wood interior windows and metal clad wood interior windows.
Researching marvin fiberglass window odors using this phrase odors from marvin integrity windows finds other odor complaints and references to use of a protective coating referred to as an acrylic capstock that some consumers opine was the source of acrylic odor complaints.
At normal atmospheric temperatures ultrex off gasses at levels.
Some vinyl and fiberglass brands can be considered though they do offgas.
Because of the many benefits manufacturers say it s the perfect material for windows.