Infinity by Marvin
Acclaimed Design That Withstands The Test Of Time
- Ultrex's fiberglass windows and doors strength delivers narrow profiles for expanded views and more daylight
- Our proprietary acrylic finish is fade-resistant and virtually maintenance-free
- We offer a complete collection of styles, features, and options to complement any home
- Infinity replacement windows and doors are made from Ultrex fiberglass – a pultruded fiberglass material so strong and durable it is superior to other window materials
- Infinity products are designed to replicate the look of traditional wood windows and doors while providing modern features and low maintenance performance.
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Bring us your ideas, inspirations and budget and we’ll match you with the perfect type of window for your project. Get started by browsing our types of windows — available in the sizes, styles and quality materials you want. Explore our types of windows.
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Fiberglass Windows
The Infinity Replacement Double Hung
The Infinity Replacement Double Hung, made of Ultrex Fiberglass, is the smart answer to a traditional favorite. Smooth effortless operation. Quality hardware and advanced design result in a double hung that makes cleaning easy. Our easy tilt operation makes cleaning from inside your home simple and easy – simply unlock and raise the sash slightly, press the tilt release button and slide the lock lever over the button, and tilt the sash into the room for easy cleaning without screen removal.
The Infinity fiberglass window and door advantage
Marvin Infinity
- Infinity replacement windows and doors are made from Ultrex fiberglass – a pultruded fiberglass material so strong and durable it is superior to other window materials.
- Infinity products are designed to replicate the look of traditional wood windows and doors while providing modern features and low-maintenance performance.
- Made of Ultrex® (a pultruded fiberglass material so strong and durable it is superior to other window materials), Infinity’s tough, energy-efficient windows and doors are customizable to meet the needs of any replacement project.
- Best of all, Ultrex® makes Infinity products virtually maintenance free.
- The combination of Ultrex fiberglass and high performing glass options on Infinity products exceed ENERGY STAR® qualifications. The result is a beautiful and energy efficient window or door that keeps your home comfortable in all temperatures.
- EverWood is an Infinity – exclusive wood grain interior option that can be stained to match your existing woodwork. It looks and feels like real wood, but doesn’t require the sanding, scraping, or refinishing of real wood.
The Infinity fiberglass window and door advantage
Marvin Infinity
- Infinity replacement windows and doors are made from Ultrex fiberglass – a pultruded fiberglass material so strong and durable it is superior to other window materials.
- Infinity products are designed to replicate the look of traditional wood windows and doors while providing modern features and low-maintenance performance.
- Made of Ultrex® (a pultruded fiberglass material so strong and durable it is superior to other window materials), Infinity’s tough, energy-efficient windows and doors are customizable to meet the needs of any replacement project.
- Best of all, Ultrex® makes Infinity products virtually maintenance free.
- The combination of Ultrex fiberglass and high performing glass options on Infinity products exceed ENERGY STAR® qualifications. The result is a beautiful and energy efficient window or door that keeps your home comfortable in all temperatures.
- EverWood is an Infinity – exclusive wood grain interior option that can be stained to match your existing woodwork. It looks and feels like real wood, but doesn’t require the sanding, scraping, or refinishing of real wood.
Our Ultrex® fiberglass delivers lasting performance
- Low maintenance
- Base material is silica sand — an abundant natural resource
- Intricate profiles replicate the look of traditional wood windows
- Low expansion provides easy operation for the life of the window
- Strength keeps windows square and true
- Narrow profiles allow for more visible glass area and expanded views
- Long-term stability reduces the risk of seal failures and air leakage through the window
- Patented, mechanically bonded inline acrylic finish is up to 3x thicker than competitive finishes, providing superior resistance to discoloring, scratching, and denting
- Ultrex fiberglass is 8x stronger than vinyl and one square inch can support 41,000 pounds!*
- Fiberglass windows have a 38% longer useful life expectancy than vinyl.**
- Infinity windows with Low E glazing can reduce your heating and cooling bills by up to 30%.***
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We service more than Libertyville, Long Grove, and St Charles. We have done work throughout IL and into lower WI all the way to Milwaukee.
