Interior living room image featuring a unidirectional with access Infinity Bi-Fold Door partially open in Ebony finish with Matte Black Northfield hardware and a Bronze sill.

Replacement Folding (Bi-Fold) Doors

Marvin Replacement Bi-Fold Doors, also called folding doors or accordion doors, have panels that are hinged to each other and fold open and closed like an accordion.

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Every 4th Window Or Patio Door On Us.

Interior kitchen image featuring a bi-parting Infinity Bi-Fold Door closed in stained EverWood interior finish and Ebony exterior finish with Black hardware and a Bronze sill.

WHY MARVIN REPLACEMENT FOLDING (BI-FOLD) DOORS?

  • Built with Ultrex® fiberglass for timeless design, durability, and low-maintenance performance

  • Doors panels stack tightly to maximize daylight when the door is open

  • Top-hung design lets you easily open and close the door

  • Configurations up to 7 panels and 22-feet wide

  • Customize your door with bi-parting (opens from the center) or uni-directional (folds completely open to the left or right) operation

  • Include an optional access panel with a uni-directional bi-fold door to get quick indoor/outdoor access

  • Available with a pleated fabric screen that slides and folds away when not being used for expansive views; choose from bi-parting or uni-directional operation

Finishes
Find the perfect style for your home
Exterior Colors
Exterior Colors

Choose from seven exterior color options to boost your curb appeal. Our fade-resistant acrylic finish resists scratches, chalking, fading, chipping, denting and peeling. 48,000 hours of sun can’t fade our finish.

Stone White
Stone White
Sierra
Sierra
Ebony
Ebony
Pebble Gray
Pebble Gray
Cashmere
Cashmere
Bronze
Bronze
Bahama
Bahama

Marvin’s Ultrex® fiberglass finish is verified to the American Architectural Manufacturers Association (AAMA) 624 specification. Achieving AAMA 624 verification means that our Ultrex finish has passed rigorous tests that simulate the harsh conditions a finish can encounter throughout the life of the window or door. Average sunlight exposure per 10 years.

Interior Colors
Glass Options
Hardware
Divided Lites
Screen Options

Schedule your free consultation

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If you’re ready to get started, discuss your replacement window and door options with a Marvin Replacement design consultant. We’re here to answer any questions you may have, and help make your project easy.

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