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Do not balance an ordinary stepladder across two stair treads. Choose a ladder whose manufacturer specifically permits a stair or uneven-leg configuration, or use a compatible, rated leveler on the exact extension-ladder series. Check the manual, duty rating, lock engagement and tread contact before climbing. The picks below are multi-position or leveling products with current listings; reach height is not working height, and aluminum must stay clear of electrical hazards. A stairway mode uses unequal rail lengths to keep the rungs level; a foot leveler alone cannot compensate for any staircase. Measure the tread depth and riser before choosing a configuration.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Little Giant Leveler 2.0 M18 (900-00039) | $309.00 | Amazon |
| 2 | Werner MT-13 14-foot Multi-Position Ladder | $189.00 | Amazon · eBay |
| 3 | Werner MT-22IAAL 22-foot 5-in-1 Pro Ladder | $277.53 | Amazon |
| 4 | Werner MT-26IAAXTHD 26-foot 5-in-1 Pro Ladder | $349.00 | Amazon |
| 5 | Gorilla Ladders GMPXA-14 14-foot Multi-Position Ladder | $199.00 | Amazon · eBay |
| 6 | Gorilla Ladders GMPXA-18 18-foot Multi-Position Ladder | $239.00 | Amazon · eBay |
| 7 | Gorilla Ladders GMPXA-22B 22-foot Multi-Position Ladder | $259.00 | Amazon · eBay |
| 8 | Gorilla Ladders GMPXT-15B-COM 15-foot Pro Multi-Position Ladder | $259.00 | Amazon |
The picks, in detail
Little Giant Leveler 2.0 M18 (900-00039)
The Little Giant Leveler 2.0 M18 is the purpose-built stair pick in this group. Its ratcheting leg levelers provide more than seven inches of range, while the 18-foot-reach aluminum ladder locks into A-frame, extension, staircase and wall configurations with a 300-pound rating.
- Model 900-00039 with 18-foot reach
- Ratcheting leg levelers with more than 7 inches of range
- 300-pound Type IA rating in every configuration
- Manufacturer and retailer specifically describe stair setup
- Levelers address unequal tread heights rather than improvising a shim
- Aluminum is unsuitable around electrical work
- Heavier and costlier than a simple stepladder
Werner MT-13 14-foot Multi-Position Ladder
Werner’s MT-13 is a compact five-in-one aluminum ladder with a 14-foot reach and 300-pound Type IA rating. Home Depot explicitly lists a Stairway Step configuration alongside Twin Step, Extension, Wall and scaffold-base modes, making this the shorter-reach option for an interior stairwell.
- 14-foot reach
- Stairway Step among five configurations
- Type IA rated for a 300 lb working load
- Explicit Stairway Step mode in the current listing
- Shorter format is easier to store than 22- or 26-foot models
- No built-in leg-leveling range is specified
- Fourteen-foot reach can be too short for tall stairwells
Werner MT-22IAAL 22-foot 5-in-1 Pro Ladder
The Werner MT-22IAAL adds built-in leg levelers to a 22-foot, five-in-one aluminum ladder. Werner explicitly documents stairway use for its Multi-Position Pro Ladder with Leveling, with each side adjusting through seven inches. Its 375-pound Type IAA rating is for users carrying heavier tools or materials, but the configured ladder still needs firm contact on the actual treads.
- 22-foot reach, model MT-22IAAL
- Werner leveling system adjusts each side through 7 inches
- 375 lb Type IAA professional-duty classification
- Werner documents stairway use with its built-in leveling system
- Higher Type IAA rating than the MT-13
- Longer, heavier tool than a compact indoor stair ladder
- Higher reach is unnecessary for many household stair jobs
Werner MT-26IAAXTHD 26-foot 5-in-1 Pro Ladder
The MT-26IAAXTHD is Werner’s 26-foot five-in-one aluminum Pro ladder with a 375-pound Type IAA rating. Its specification includes a Stairway Stepladder configuration, making it a source-backed high-reach option rather than a generic articulating ladder suggestion. Set it only in the manufacturer-approved configuration and inspect contact points before climbing.
- 26-foot reach
- Manufacturer specification includes Stairway Stepladder configuration
- 375 lb Type IAA rating for a heavier tool load
- Longest Werner reach here with a stated stairway configuration
- Professional-duty 375-pound rating
- This listing does not cite a leg-leveling system for the model
- Large ladder is awkward in a confined staircase
Gorilla Ladders GMPXA-14 14-foot Multi-Position Ladder
Gorilla’s GMPXA-14 is a 14-foot aluminum multi-position ladder with a 300-pound Type IA rating. Gorilla’s current product page explicitly includes a Stairway configuration, so it is a documented choice for lower indoor stairwells. It still must be set exactly as the instructions show; stair mode does not substitute for solid, level contact on the steps.
- Model GMPXA-14 with 14-foot reach
- GMPXA-14 page names the Stairway setup
- 300 lb Type IA working-load classification
- Shortest Gorilla stairway-mode model in the group
- Tool hangers keep small tools off the steps
- Retail details do not list a built-in leg leveler
- Use the maker’s stairway setup on firm, level tread contact
Gorilla Ladders GMPXA-18 18-foot Multi-Position Ladder
Gorilla’s GMPXA-18 is an 18-foot aluminum multi-position ladder with a 300-pound Type IA rating. Gorilla’s current product page explicitly includes a Stairway configuration, so it is a documented choice for a typical two-story stair opening. It still must be set exactly as the instructions show; stair mode does not substitute for solid, level contact on the steps.
- Model GMPXA-18 with 18-foot reach
- GMPXA-18 page identifies Stairway among configurations
- Type IA classification: 300 lb load capacity
- 18-foot Gorilla model has documented stairway positioning
- Lower cost than 375-pound Gorilla Pro models
- No built-in leg levelers are listed
- Do not treat the extra reach as permission to bridge uneven treads
Gorilla Ladders GMPXA-22B 22-foot Multi-Position Ladder
Gorilla’s GMPXA-22B is a 22-foot aluminum multi-position ladder with a 300-pound Type IA rating. Gorilla’s current product page explicitly includes a Stairway configuration, so it is a documented choice for a higher stairwell. It still must be set exactly as the instructions show; stair mode does not substitute for solid, level contact on the steps.
- Model GMPXA-22B with 22-foot reach
- GMPXA-22B listing includes a Stairway configuration
- Rated for a 300 lb Type IA load
- Project bucket model has a manufacturer-listed stairway mode
- More reach than the GMPXA-14 and GMPXA-18
- Same 300-pound rating despite the larger size
- Keep the project bucket clear of the climbing path
Gorilla Ladders GMPXT-15B-COM 15-foot Pro Multi-Position Ladder
The Gorilla GMPXT-15B-COM is a 15-foot aluminum multi-position ladder with a project tray, oversized hinges, and a 375-pound Type IAA rating. The GMPXT-15B series manual confirms a stairway mode, while warning that the steps must be level. That makes it a compact professional-duty option only where that stated setup condition is met.
- Model GMPXT-15B-COM with 15-foot reach
- GMPXT-15B series manual includes Stairway mode
- Pro-series Type IAA rating at 375 lb
- Type IAA rating supports heavier professional loads
- Fifteen-foot reach is shorter than other Pro options
- No leveler is stated in the current listing
- Manual requires level steps for stairway mode
Buying tips
- Read the manufacturer manual for the exact model; a multi-position label alone does not authorize every arrangement.
- Set both feet on firm tread surfaces and engage every hinge and leg lock before climbing.
- Choose a built-in leveler or an approved leveler accessory when the treads create a height difference.
- Keep aluminum ladders away from electrical circuits and overhead lines; use a suitable fiberglass ladder when electrical exposure is possible.
- Never bridge a stairwell with a normal stepladder, loose boards or improvised blocks.
As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.