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📦Alexandria Showroom has moved to 1502 King St Unit 1A Alexandria VA 22314 📦
Call ahead! 703-780-7800 We are still in the process of setting up, so the store is not quite ready for visitors.
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Infinity from Marvin

Infinity streamlines your entire window replacement project — from start to finish

Infinity from Marvin is founded on a single promise: delivering a fiberglass window replacement experience that always exceeds your expectations. Infinity windows are made from Ultrex® fiberglass – a pultruded fiberglass material so strong and durable it is superior to other window materials.

Infinity Windows provide a range of products that have been leading the industry for more than 20 years. With top quality craftsmanship and materials, the products Infinity supplies are created with the utmost attention to detail that adds unbeatable durability. Paired with strength and a solid finish, Infinity Windows are a superior choice for your Northern Virginia, Maryland or DC home.

  • Expert Consultation
  • A Perfect Fit
  • Seamless Installation
  • Built for Life®

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Infinity from Marvin

Infinity is Built for Life

Infinity windows are custom-built for your home with Ultrex® fiberglass to strike the perfect balance between performance and design. Focusing on a complete window replacement experience that always exceeds your expectations, outperforms and outlasts the competition to endure the test of time. 

  • Fade-Resistant Finish
  • Move View for Your Money
  • EverWood Beauty and Texture

Evaluating Window Material Options

Ultrex® fiberglass outperforms vinyl and wood

When replacing your windows, give careful consideration to the framing material. Infinity from Marvin uses Ultrex® fiberglass for proven, long-lasting performance.  It’s not only 8 times stronger than vinyl — it resists expanding and contracting in any climate.

  • Ultrex vs. Vinyl Windows

    Vinyl can warp and shift under everyday conditions — potentially making vinyl windows difficult to open and close and affecting their all-around performance. Ultrex resists sticking, swelling and warping so Infinity windows and doors will continue to easily open and close.
  • Ultrex vs. Wood Windows

    Wood windows offer classic beauty that, depending on the environment, can require maintenance and care. Infinity windows capture the beautiful details and profiles of wood - without the maintenance.

Want long-term color retention? Ultrex uses an acrylic finish that is fade-resistant and virtually maintenance-free.

With a finish that's 3 times thicker than competitive options, Ultrex resists chipping, denting or peeling.

Because Ultrex is so strong, we actually use less of it in Infinity window frames. That means you get more daylight coming through your window, without bulky materials obstructing your view.

EverWood®, our breakthrough engineered wood grain interior finish, offers natural looks and textures - plus the durability you demand. It looks, feels, paints and stains like wood but is completely low maintenance.

Ultrex expands at virtually the same rate as glass, so our windows stay tight and true. This makes Infinity windows resistant to leaks, seal failures and stress cracks that can compromise energy efficiency and long-term performance.

Discover what Infinity can do for you.

Schedule your FREE in-home or virtual consultation.

Schedule a Free Consultation

Visit us at one our three showrooms to discuss your window and door replacement project.   

Helpful Downloads

Have questions on colors, glass or technical questions? Download Infinity from Marvin brochures below.  

Color and Finish Options

Color and Finish Options

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Window Opening Control Devices

Window Opening Control Devices Brochure

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Glass Performance Options

Glass Performance Options

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Hardware Options

Hardware Options

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Grille and Divided Lite Options

Grille and Divided Lite Options

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Ultrex® Fiberglass Technical Guide

Ultrex® Fiberglass Technical Guide

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EverWood® Interior Finish

EverWood® Interior Finish

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