Marvin Fiberglass Windows - Stronger than vinyl, more affordable than clad wood, they stand out for their strength, low upkeep, and good looks. Perfect!
Infinity® replacement windows and doors -made from Ultrex fiberglass - a material so strong and durable it is superior to other window materials. Most importantly, it makes Infinity from Marvin windows maintenance-free.
How Strong Is Ultrex?
Infinity Windows - The Better Alternative To Vinyl
Don’t make the blunder of selecting vinyl windows that will eventually have to be replaced. Experience the beauty, coziness, and security of Infinity Windows for as long as you own your home. Do it right the first time and choose Infinity from Marvin – Built for Life!