Patio Door Installers in Western New York

Patio Door Replacement & Restoration


Big L Windows and Doors is your one-stop-shop for high-quality patio doors. Whether you are renovating your home or building a new one, our extensive selection of patio doors will meet your needs and exceed your expectations. Our doors are made-to-order with top-quality materials, including wood, fiberglass, and extruded aluminum. They are designed to provide superior energy efficiency, durability, and beauty. From classic sliding glass doors to modern and stylish options, such as MARVIN SIGNATURE® ULTIMATE and MODERN, we have a patio door to suit any taste and budget. 

In addition to our premium patio doors, we also offer expert installation services, ensuring your new doors are installed correctly and function properly for years to come. Our team of patio door installers is here to provide professional guidance and advice to help you choose the best option for your home. We also offer financing options to help make your home improvement dreams a reality. Take a look at our selection of patio doors and let us help you transform your home with elegance and functionality. 

  • Marvin Signature® Ultimate

    Crafted with meticulous attention to detail, MARVIN SIGNATURE® ULTIMATE patio doors offer a stunning combination of design and performance. Made with top-quality wood, extruded aluminum, and toughened glass, these doors provide exceptional energy efficiency and durability, and can be customized to match your home’s architectural style. Marvin Logo

    Marvin Ultimate Bi-Fold Door Interior Lake Desk main
  • Marvin Signature® Modern

    The sleek and contemporary MARVIN SIGNATURE® MODERN patio doors are the epitome of modern design. With narrow frames and expansive glass, they offer unobstructed views and abundant natural light. Choose from a variety of materials, including wood, extruded aluminum, and ultra-durable fiberglass to achieve the perfect blend of form and function. 

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  • Marvin Elevate®

    MARVIN ELEVATE® patio doors feature an innovative design that combines the natural beauty of wood with the strength and durability of fiberglass. With a selection of wood interiors and fiberglass exteriors, these doors offer superior energy efficiency and durability, and require minimal maintenance. 

    Marvin Elevate Swinging French Door Exterior Desk main
  • Marvin Essential™

    For a more affordable option, MARVIN ESSENTIAL™ patio doors offer exceptional performance and durability at a lower cost. With a variety of styles and options to choose from, including sliding and hinged doors, these doors provide excellent energy efficiency and low-maintenance performance. 

    The Essential Sliding Patio Door hero desk main from Big L Windows and Doors
  • Infinity® from Marvin

    INFINITY® from MARVIN patio doors are made with Ultrex® fiberglass, a high-performance material that provides unparalleled strength and durability. These doors are designed to withstand extreme weather conditions, while providing superior energy efficiency and beauty. Marvin Logo

    Infinity Sliding French Door Clarks Point hero desk main
  • MI™ Windows and Doors

    Big L Windows and Doors also offers MI™ WINDOWS AND DOORS, a brand known for its high-quality, affordable windows and doors. Their sliding patio doors come in a variety of styles and colors and offer excellent energy efficiency and durability. MI Logo

    mi 1618 multislide lakehouse desk main
  • Restorations®

    Restorations replacement sliding patio doors are a popular choice among homeowners who want to update the look of their home while improving energy efficiency. These doors are designed with high-performance materials and technology to ensure maximum durability and performance. MI Logo

    Restorations Luxury Kitchen sm