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.