Folding Attic Stairways

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.

300 lb duty rating
350 lb duty ration (Superior Plus)
1x5 Frame and stringer
Two strong metal handrails

250 lb duty rating
1x4 Frame and stringer
1x4 Tread
One strong metal handrail

Easily adjustable spring tension
Full-width continuous hinge
1x4 frame between side rails and door panels
Treads dadoed and nailed into side rails
High grade, kiln-dried, yellow pine lumber
Galvanized steel hardware with safety edge
Steel rod under treads
Safety grooved treads
Strong steel handrails securely bolted (no splitting or splintering)
Clear plywood panel

The Marwin Folding Attic Stairway is designed with the "Pro" contractor and quality-oriented independent dealer in mind. All wood components are sourced from high-grade SYP lumber with quality and safety in mind.

Options Available on all Models

Wide tread (1x5) for extra footing (ATLAS)
Fire-treated panel
Insulated door panel. (standard with Titan)
Pull-down rod with eye-hook (shown at left) (standard with Titan)

Model #	Rough Opening	Ceiling Height	Landing (1)	Projection (2)
A-75	22.5"x48"	8'2"	54	65
A-80	22.5"x54"	8'9"	58	67
A-81	22.5"x54"	10'0"	66	77
A-90	25.5"x48"	8'2"	54	65
A-100	25.5"x54"	8'9"	58	67
A-101	25.5"x54"	10'0"	65	77
A-102	25.5"x60"	8'9"	58	69
A-103	25.5"x60"	10'4"	68	80
S-80	22.5"x54"	8'9"	59	69
S-81	22.5"x54"	10'0"	67	79
S-100	25.5"x54"	8'9"	59	69
S-101	25.5"x54"	10'0"	67	79
S-200	30"x54"	8'9"	59	69
S-201	30"x54"	10'0"	67	79
S-300	30"x60"	8'9"	59	71
S-303	30"x60"	10'4"	71	83
SP-89	22.5"x60"	10'9"	71	83
SP-109	25.5"x60"	10'9"	71	83
SP-309	30"x60"	10'9"	71	83
T-80	22.5"x54"	8'9"	58	66
T-81	22.5"x54"	10'0"	66	76
T-100	25.5"x54"	8'9"	58	66
T-101	25.5"x54"	10'0"	66	76
EVEREST	25.5"x63"	10'-12'	90	92