Dimensions and Specifications
Detailed Specs
| Specification |
Details |
| Models Available: |
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S3000 Series: Semi-automatic; the door panel opens/closes automatically, while stair sections are manually folded/unfolded. Suitable for ceiling heights from 8′ 0″ to 16′ 0″.
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S4000 Series: Fully automatic; both the door panel and stair sections operate automatically. Accommodates ceiling heights from 8′ 0″ to 13′ 6″.
|
| Load Capacity: |
500 lbs (227 kg) total load without failure |
| Incline Angle: |
63 degrees |
| Compliance: |
Meets ANSI A14.9 Safety Requirements for Disappearing Attic Stairways |
| Operation: |
- Wireless wall-mounted keypad
- Operable from both above and below
- 24V DC motor ensures ultra-quiet operation with variable speed smooth start and stop
- Equipped with a 6′ long 120V 15-amp power cord for easy connection
- Evercharge standby power system allows up to 10 full cycles within a 24-hour period during power outages
|
| Materials & Construction: |
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Frame: Constructed from 11-gauge steel.
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Stair Components: Extruded 6005-T5 aluminum for treads and stringers.
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Treads:
- Dimensions: 5 3/16″ deep x 16 1/2″ wide.
- Deeply serrated top surface for enhanced grip.
- Each tread tested to support up to 1,000 lbs.
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Stringers: 5″ x 1″ x 1/8″ aluminum channel
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Rivets: Rated at 1,100 lbs shear strength each
|
| Frame Options: |
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Box Frame: 90-degree ends; used when the distance from ceiling to floor above is less than 12″
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Angle Frame: 63-degree hinge end with built-in steps and 90-degree on the other end; suitable for distances of 12″ or greater
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Roof Access Frame: For applications requiring roof access, a minimum frame depth of 39″ is necessary
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| Door Panel Options: |
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Standard Door: Constructed from 1/8″ aluminum sheet attached to the stairway frame with a steel piano hinge
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Insulated Steel Door: Available upon request for enhanced thermal performance
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| Additional Features: |
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Battery Backup: Ensures functionality during power outages
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Emergency Release Cable: Allows manual operation in case of system failure
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Finishes:
- Aluminum components: Mill finish
- Steel frame: Prime coat
|
About the Brand
Precision Ladders is a leading U.S. manufacturer specializing in commercial-grade access solutions, including aluminum fixed ladders, ships ladders, and automated folding stairways. With decades of industry experience, the company serves architects, builders, and facility managers across North America. Precision Ladders is known for its focus on safety, space efficiency, and code compliance, offering reliable access products designed to meet the demands of modern commercial and industrial spaces.
Warranty
1-Year Limited Warranty
Inventive Garage Workshop is an Authorized Precision Ladders Dealer offering the lowest prices in the market, rapid order processing, a super-strong buyer satisfaction guarantee, along with comprehensive, expert support before AND after the sale.
▶ Installation Services Are Available Nationwide