You've heard it said, "Don't work harder. Work smarter." With old double hung windows, you can work up a sweat just opening them and keeping them open. The Infinity® Double Hung is the smart answer to a traditional favorite. You'll be amazed at its smooth effortless operation. Quality hardware and advanced design result in a double hung that makes cleaning so easy, you may actually have volunteers. Make the smart window choice and your "window worries" will become a thing of the past.
Infinity windows are made from Ultrex, inside and out. This fiberglass material is so durable, so long lasting, so strong, you'll never have to worry about replacement windows again. Best of all, it makes Infinity windows essentially maintenance free. The Ultimate Material for Replacement Windows
Made of pultruded fiberglass - thin, strong cables of glass, saturated with specially compounded resins -Ultrex is a remarkably durable material that outlasts and outperforms other window materials.