Bi-fold Doors

Corporate Office
The Marwin Company, Inc.
1703 Atlas Rd.
P. O. Box 9126
Columbia, SC 29290
803-776-2396

Marwin West, Inc.
Highway 271 South
Cypress Industrial Park
Mt. Pleasant, TX
903-572-8500

The Marwin Company is a manufacturer of quality building specialities, including folding attic stairways, bi-fold doors, mirror bi-folds & by-pass units and pocket door frames.

Learn more about what makes The Marwin Company, family-owned for over 50 years, an industry leader in quality, service and value.

Learn about our fine quality products, from general information to product specifications, to help make your project a complete success.

Download installation instructions for our folding attic stairways, bi-fold doors, mirror bi-folds and by-passes, and pocket door frames.

Let us know how we can better serve you by calling us or by sending us an e-mail that contains your questions or comments.

Wide range of materials, ready to stain or varnish
Doors to fit any opening up to 24' are in stock
Larger sizes available on special order and built to customer specifications
All bi-folds available in 6'8", 7' and 8' heights
Flush Birch, Lauan, Hardwood available
High grade steel or aluminum hardware standard

2 door units: 1'6" to 4'
4 door units: 3' to 8'
8 door units: 6' to 12'
12 door units: 9' to 18'
16 door units: 12' to 24'

Any heights from 1' to 8' available
Units for openings wider than 24' available
1-3/8" door thickness available for most sizes
Heavy-duty hanger-type hardware used on all openings wider than 8'
Stiles on special sizes will vary from 1-1/4" to 2-1/4", depending on dimensions

We offer a complete line of folding doors in a wide range of sizes, designed to enhance any home, office or commercial building. Our in-house shop can cut and build units for almost any opening.

Highly mixed orders and non-standard sizes are not a problem for Marwin. We can arrange pre-paid shipments of various combinations of any of our product lines. Plus, we can ship your custom order within days, not weeks. Marwin works to get you what you need, when you need it.