Lawrence Roll-Up Doors, Inc.

Made In the USA…since 1925

High Performance Doors

Take a moment to compare the differences and find out why The LAWRENCE Model PD High Performance Door is an ADVANTAGE!

The Model PD is a truly high performance rolling door – designed to operate for 500,000 cycles… Plus an average operating speed of 24 inches per second to open, 12 inches per second to close

Product Features Traditional Rolling Door1 LAWRENCE Model PD High Performance Door LAWRENCE Model PD ADVANTAGE!
Cycle Life
50,000 cycles 500,000 cycles Designed to last 10 times longer
Warranty 2 years / 50,000 cycles 2 years / 500,000 cycles2 Superior performance… superior warranty
Barrel Design
Torsion springs Spring-less design No springs to wear out or break – eliminates cost of barrel repairs and resulting down time
Curtain Interlocking single slats or insulated slats with pressure-fit back cover; Endlocks on alternate slats Interlocking single slats or insulated slats with fully interlocking back slats; Endlocks on alternate slats plus delrin end blocks on every 4th slat; Scratch-Guards finish protection system Same high-quality single slats; With insulated slats the backslats are fully interlocking making any slat separation virtually impossible; Delrin end blocks reduce friction if curtain shift should occur; Scratch-Guards across curtain reduce finish wear and operating noise
Guides 3/16″ thick formed steel U-channels 1/4″ thick steel shapes with replaceable UHMW wear strips; Separately removable outer guide plates and inner guide angles Thicker guides are more durable; UHMW wear strips reduce friction and curtain wear; Unique guide design provides easy access for periodic inspection and maintenance
Guide Mounting
Steel wall angles Steel wall tubes Wall tubes provide more rigid mounting for very high frequency / high speed use
Motor Operator 1/2 HP minimum in-line gear drive motor operator 2 HP minimum high efficiency in-line gear drive motor operator; Variable speed controller with soft start/stop feature; Integral speed governor Complete assembly is designed specifically for very high frequency / high speed use; Variable speed allows door to open fast but close at slower, safer speed; Soft start/stop extends life by slowing door before full open and close to reduce shock loads; Governor prevents curtain free-fall in unlikely event of operator component failure
Operating Speed
Approx. 6″ to 8″ per second to open and close Approx. 24″ per second to open, 12″ per second to close Opens 3 to 4 times faster and closes 1 1/2 to 2 times faster than traditional rolling doors – plus enhanced safety features are included
Cost3 $ $$$ Superb value – 10 times the life for about 3 times the price of a traditional rolling door!

1 Features listed are for a Lawrence HD Service Door and may exceed what can be expected on many other types of rolling doors.

2 Additional warranty conditions apply.

3 Cost comparison based on estimated initial cost for a 12′ wide x 12′ high service door, galvanized steel slats and hood, monitored sensing edge, reclose timer, cycle counter, sales tax, and installation (not including power or control wiring).

Lawrence Roll-Up Doors, Inc. reserves the right to change specifications without notice. Refer to Standard Specifications sheets (available upon request) for complete product information. © 2017 Lawrence Roll-Up Doors, Inc.

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