Fiberglass windows are more energy efficient
from Green Building Elements
For making energy efficient windows, fiberglass composites offer many advantages over wood, aluminum and vinyl. Wood warps and rots over time, allowing air infiltration that undermines the insulating power of the glass. Aluminum conducts heat and cold into the interior of buildings. And vinyl can weaken with age leading to a breakdown in insulating power. Fiberglass is 8 times stronger than vinyl. It doesn't shrink or expand like aluminum, and it doesn't warp like wood. It is also friendly to the environment because it is 80 percent sand, an abundant natural resource.
7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063