Commercial steel stairs for modular construction

We have the experience and expertise to help make your modular project a success.

Commercial steel stairs for modular construction

We have the experience and expertise to help make your modular project a success.

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Benefits

Quick and simple installation
Minimal crane picks and limited field connections
Reduced on-site labor and equipment requirements
Highly tolerant of field condition variances


Compatible with most types of construction:

Structural steel
Concrete
Light gauge steel
Wood

The Z-Stack System™

Traditional pre-fab stairs

Quick and simple installation

Installation time: 1 HOUR

Installed by light gauge steel crew

Single stair and landing unit

Two crane picks per floor

12 bolted connections per floor

Labor-intensive installation

Installation time: 6+ HOURS

Requires welding labor and equipment

Separate stair and landing

Four crane picks per floor

10+ welds and 16+ bolts per floor

Designed to allow both vertical and horizontal adjustments during installation

Jack bolts and shims for vertical adjustments

Slotted bolt holes for horizontal adjustments

Our prefabricated, commercial steel stairs are ideal for modular construction projects

Our Z-Stack System™ is just one example of how our stairs can be engineered to meet the demands of modular construction. We have extensive experience designing proprietary systems specifically for modular projects of all types and sizes.

Our prefabricated, commercial steel stairs are ideal for modular construction projects

Our Z-Stack System™ is just one example of how our stairs can be engineered to meet the demands of modular construction. We have extensive experience designing proprietary systems specifically for modular projects of all types and sizes.

Benefits

Quick and simple installation
Minimal crane picks and limited field connections
Reduced on-site labor and equipment requirements
Highly tolerant of field condition variances


Compatible with most types of construction:

Structural steel
Concrete
Light gauge steel
Wood

The Z-Stack System™

Traditional pre-fab stairs

Quick and simple installation

Installation time: 1 HOUR

Installed by light gauge steel crew

Single stair and landing unit

Two crane picks per floor

12 bolted connections per floor

Labor-intensive installation

Installation time: 6+ HOURS

Requires welding labor and equipment

Separate stair and landing

Four crane picks per floor

10+ welds and 16+ bolts per floor

Designed to allow both vertical and horizontal adjustments during installation

Jack bolts and shims for vertical adjustments


Slotted bolt holes for horizontal adjustments

Quick and simple installation takes less than one hour per flight

Set and align

Make adjustments

Tighten bolts

3:18 PM Start Time
Structure ready; stairs and equipment on site
3:31 PM +13 Minutes
First flight and landing picked and in place to set


3:43 PM +25 Minutes
First flight and landing set
3:55 PM +37 Minutes
Second flight and landing picked and in place to set
Quick and simple installation takes less than one hour per flight

Set and align

Make adjustments

Tighten bolts

3:18 PM Start Time
Structure ready; stairs and equipment on site
3:31 PM +13 Minutes
First flight and landing picked and in place to set
3:43 PM +25 Minutes
First flight and landing set
3:55 PM +37 Minutes
Second flight and landing picked and in place to set

Project photos

Ready to take the next step?

Contact us