FiberFrame windows, patio doors, storefront and sunrooms are manufactured by Comfort Line Limited. If you're looking for a well designed, energy efficient, long lasting and durable window, door, or sunroom that will outperform other wood, vinyl, and aluminum products, FiberFrame is the way to go. Our products are ENERGY STAR qualified, independently tested, and certified to perform at levels that
meet or exceed strict energy efficiency criteria set by the US Department of Energy. All FiberFrame windows and doors are tested and certified to standards and specifications developed by the American Architectural Manufacturers Association. Our fiberglass frames are 8x's stronger than vinyl, 3.5x's stronger than wood/vinyl composites, and 2x's stronger than aluminum. Not to mention, they're virtually maintenance-free which means no need for sanding, painting, or staining! With thousands of color choices, an array of hardware options, and of course our glass package options, you'll be sure to find everything you're looking for at Comfort Line Limited.
