We offer the best selection of roll up doors direct from the factory. Our doors come with several options that are of a higher spec than our competition and in some cases are options that will be charged for as an upgrade or option. All our doors are proudly made in the US. Please look at the following table to see door comparisons or call us and we will tell you why our doors are the best.
Call 1-877-RLDOORS.
Self Storage Roll-Up Door Comparison |
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Roll Up door Model 501/502 |
Others |
Door |
Continuous curtain of 26 gauge hot dipped galvanized steel 80 ksi. Primer under-coat plus top coat of medium gloss, silconized polyester paint. |
26 Ga |
Paint |
20yr Warranty - 22 Standard Colors Primer under-coat plus top coat of medium gloss, silconized polyester paint in a choice of 22 standard colors.
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1 Standard Colors all others an option at extra cost |
Axle |
Dead and Live Axle Enclosed Springs - Grease Filled Radial Ball Bearings.
501-The heavy duty 1-5/16” (1.3125”) OD 12-gauge axle pipe provides maximum strength and durability.
502- Utilizing our Commercial door designs, the Model 502 has galvanized 18-gauge drums with roller bearings permanently installed as standard. These drums rotate around the shaft, effortlessly opening and closing the door the same every time. These doors pass our standard 60,000 cycle test, and keep on working. |
Dead or live Axle - No Bearings |
Brackets |
Bolt together for safety. In order to meet the tough demands of self storage, our brackets are made of 14-gauge hot-dipped galvanized steel; and are furnished with standard steel bearings and ratcheting tension device. |
12 Ga toggle fit no bolt |
Tension and Stop |
Special easy adjust tension device and a wrap around stop mounted on guide positively stops the door in the open position every time. Adjustable to allow vertically positive stopping at your desired height |
Tensioner an option at extra cost |
Guides |
Our guides are made from galvanized steel with a polypropylene strip attached to the inside edge allowing for many years of quiet operation. Guides are precision punched and roll formed to the highest standards of quality and consistency. Designed with the customer in mind, one guide type is suitable for all jamb types. Steel, wood, or masonry, every door is the same. Fasteners are securely hidden inside the track, yet carefully positioned away from the travel of the curtain No rubbing, no pinching, no metal-to-metal contact, this guide design is ideal for all applications. |
20 Ga |
Bottom Bar |
A precision extruded aluminum bottom bar reinforced with a heavy duty galvanized structural angle, providing maximum door strength and more aesthetic appeal. A fexible full-bulb type PVC astragal provides for long-term weather resistance and consistent closure to the finished door.> |
Galvanized Steel, Bulb Astrigal an option at extra cost |
Latch and Lift Handle |
Factory installed zinc-plated slide lock with standard provisions for two padlocks. Optional cylinder locks and stainless steel are available.Our heavy duty lift handles provide both a handle for easier opening and a step plate for closing. A heavy duty polypropylene pull rope is also attached to the inside reinforcing steel angle for maximum safety and convenience. |
An option at extra cost |
Springs |
Enclosed 502, Exposed 501 and & Greased.
Helical torsion spring (3.375” ID) is factory calibrated and lubricated to ensure trouble-free performance and unparalleled cycle life. Springs are pre-stretched and permanently attached in the factory, minimizing field installation labor while guaranteeing proper operational tolerances. Ratcheting tension adjuster's are standard on the Model 501 and 502. |
Exposed |
Wear Strips |
One-inch wide strips are stapled along both edges of the curtain to prevent steel-to-steel contact between the curtain and guide for smoother and quieter door operation. The same wear strip as used on our commercial roll-ups up to 20' x 16', this edge provides a quieter operation while ensuring the door rolls the same time after time. |
Sticky felt strip not on edge can fall off |
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Our Roll Up Door Model 501 has set the standard for economical and durable self-storage continuous sheet roll-up doors. When combined with our newest “Ratcheting Tension Adjuster” the Model 501 becomes the simplest door to maintain, providing a long and useful working life.
Manufactured from the same 26 gauge corrugated hot-dipped galvanized steel as the rest of our doors. Available in the same 22 pre-finished polyester paint finishes the Model 501 has the same proven quality and durability as our entire line of rolling steel doors which allows for mounting to wood, masonry, or steel jambs. With sizes as large as 10’ (3048 mm) wide by 10’ (3048 mm) high and able to meet wind-loads of up to 28 p.s.f. the Model 501 is extremely versatile, adding to it’s value.

Barrel Assembly
501 - A. CounterbalanceHelical torsion spring (3.375” ID) is factory calibrated and lubricated to ensure trouble-free performance and unparalleled cycle life. Superior engineering means greatly reducing spring maintenance along with faster and easier installation.
501 - B. Drum/Locating CollarsIn order to meet the tough demands of self storage, the 9.5” diameter 18-gauge drums are furnished with locating collars and are permanently welded to the drive axle. This also makes installation faster while providing a positive location for the mounting brackets and guides.
501 - C. ShaftThe heavy duty 1-5/16” (1.3125”) OD 12-gauge axle pipe provides maximum strength and durability.502 - A. Counterbalance:Helical torsion spring (3.375” ID) is factory calibrated and lubricated to ensure trouble-free performance and unparalleled cycle life. Springs are pre-stretched and permanently attached in the factory, minimizing field installation labor while guaranteeing proper operational tolerances. Ratcheting tension adjuster is standard on the Model 502.
502 - B. Drums:Utilizing US Door’s Commercial door designs, the Model 502 has galvanized 18-gauge drums with roller bearings permanently installed as standard. These drums rotate around the shaft, effortlessly opening and closing the door the same every time. These doors pass our standard 60,000 cycle test, and keep on working.
502 - C. Shaft:A helically wound galvanized barrel surrounds the shaft and drum assembly for the full width of the door, providing maximum strength against de?ection while fully enclosing the spring assembly of the door. Designed for light commercial applications and residential workshops the Model 502 is aesthetically pleasing both inside and out.Curtain Assembly
D. Finish CoatThese door curtains are pre-finished with a base coat primer to ensure long term adhesion and durability. This ensures the medium gloss silicone polyester premium top coat keeps your facility looking better with minimal maintenance. The finish is guaranteed against chalking and fading for 20 years with 22 standard colors available.
E. OperationStandard operation of doors by means of push-up operation, meets the American Disability Association standards for Accessible Design for Opening Force requirement.
F. CurtainOur self-storage doors are manufactured from precision roll-formed 26 gauge pretreated, galvanized and pre-painted commercial quality 80 ksi steel panels that are mechanically seamed together for a tough and durable curtain. A standard 1-inch self-lubricating polypropylene wear strip is stapled uniformly to the exteriors of the door to protect against nesting and metal-to-metal contact and resulting in ultra-smooth and quiet operation.
G. Curtain StopWrap around stop mounted on guide positively stops the door in the open position every time. Adjustable to allow vertically positive stopping at your desired height.Brackets & Guides
501 - H. BracketsIn order to meet the tough demands of self storage, our brackets are made of 14-gauge hot-dipped galvanized steel; and are furnished with standard low friction nylon bushings to provide smooth, trouble-free operation for years to come. Optional steel bearings and ratcheting tension device are also available.
502 - H: BracketsThe Model 502 mounting brackets, made of the same 14 gauge hot-dipped galvanized steel, securely lock the shaft assembly in place. The standard ratchet tension adjuster is safely located between the bracket and the drum assembly, providing maximum protection for the installer and end-user alike.
I. Guides Our guides are made from galvanized steel with a polypropylene strip attached to the inside edge allowing for many years of quiet operation. Guides are precision punched and roll formed to the highest standards of quality and consistency. Designed with the customer in mind, one guide type is suitable for all jamb types. Steel, wood, or masonry, every door is the same. Fasteners are securely hidden inside the track, yet carefully positioned away from the travel of the curtain No rubbing, no pinching, no metal-to-metal contact, this guide design is ideal for all applications.
J. Polypropylene Wear Strip One-inch wide strips are stapled along both edges of the curtain to prevent steel-to-steel contact between the curtain and guide for smoother and quieter door operation. The same wear strip as used on our commercial roll-ups up to 20' x 16', this edge provides a quieter operation while ensuring the door rolls the same time after time.
K. Bottom Bar / Bottom Astragal A precision extruded aluminum bottom bar reinforced with a heavy duty galvanized structural angle, providing maximum door strength and more aesthetic appeal. A fexible full-bulb type PVC astragal provides for long-term weather resistance and consistent closure to the finished door.
L. Lift HandleOur heavy duty lift handles provide both a handle for easier opening and a step plate for closing. A heavy duty polypropylene pull rope is also attached to the inside reinforcing steel angle for maximum safety and convenience.M. LatchFactory installed zinc-plated slide lock with standard provisions for two padlocks. Optional cylinder locks and stainless steel are available
All Our Doors include:
Continuous curtain of 26 gauge hot dipped galvanized steel.
Primer under-coat plus top coat of medium gloss, silconized polyester paint in a choice of 22 standard colors.
Polypropylene wear strips on edges of curtain reduce noise and prevent steel to steel contact between curtain & guide.
Heavy duty 1 5/16” diameter axle shaft.
Aluminum bottom bar, reinforced with a structural steel angle, includes a bulb type bottom weather seal.
Model 501 Roll-Up Door Features
501 - A. Counterbalance
Helical torsion spring (3.375” ID) is factory calibrated and lubricated to ensure trouble-
free performance and unparalleled cycle life.
Superior engineering means greatly reducing
spring maintenance along with faster and easier
installation.
501 - B. Drum/Locating Collars
In order to meet the tough demands of self
storage, the 9.5” diameter 18-gauge drums
are furnished with locating collars and are
permanently welded to the drive axle. This also
makes installation faster while providing a positive
location for the mounting brackets and guides.
501 - C. Shaft
The heavy duty 1-5/16” (1.3125”) OD 12-gauge axle
pipe provides maximum strength and durability.