Vinyl vs. Fiberglass Windows in Loudoun County: Which Is Better?
How Vinyl And Fiberglass Windows Really Differ Vinyl and fiberglass windows can both perform well in Loudoun County, but they solve the same problem in different ways. Vinyl frames are made from PVC and are known for lower upfront cost, decent insulation, and low maintenance. Fiberglass frames are reinforced with glass fibers, which makes them stiffer, more dimensionally stable, and often better suited to larger openings or demanding climates. That difference ma