Metal Stairs | Steel Stairs | Metal Stair Systems for Sale

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Prefabricated, Yet Custom Designed Metal Stairs

All Panel Built metal stairs, railing, and components are engineered, fabricated and powder coated at our plant for a lasting finish and fast delivery.  But, that does not mean you will be receiving a cookie-cutter steel stair system. Each metal stair project is still custom-designed to fit your specific space needs.   That means if you need a specific stair layout with multiple landings, U-turn stairs, or a special Rise/Run, we can accommodate these custom designs. 

And Panel Built's metal, steel stair features do not stop there! Panel Built offers a variety of handrail options to increase the safety of your new metal stair system.  Handrail pickets, intermediate horizontal railing, mesh siding, and glass siding are just some of the different options we can accommodate.  In addition, stair treads come in diamond plate, bar grating, or even cement-filled pans.  And both open and closed risers are available. 

Bolt Together Design = Quick & Easy Metal Stair Installation

With all of the stair fabrication done in our facility, once your new metal stair system is delivered to the project site, all that is left is the assembly.  Our systems use the same bolt-together Steel Stairs design that is used in Panel Built's mezzanine systems.  This design helps to ensure that your stair is assembled as quickly and easily as possible.  

Both Interior & Exterior Steel Stairs Available

Our standard metal stairs are built to withstand even the harshest industrial environments.  However, if your stair system is for an exterior application (like an Access Stair System), Panel Built can take care of those too!  Our exterior metal stairs utilize an exterior rated powder-coated paint to withstand the rigors of outdoor weather and abuse.  Additionally, the steel stairs can be entirely hot-dipped galvanized to give it a weatherproof, zinc coating, allowing for long life outdoors. 

Do You Need IBC or OSHA Metal Stairs?


To determine if you need IBC or OSHA metal stairs, we will first need to determine what your local building code requires. There are typically more strict standards for areas that are open to the public than areas that are utilized only by employees or relatively low traffic areas. As a rule of thumb, the International Building Code (IBC) regulates any set of stairs used by the public, including any stairway that connects a building to a public space. These regulations must account for the safety of every type of person — including children and the elderly.


Many businesses have private facilities where stairs are not for public use. They can include areas like factory floors and manufacturing spaces where only designated employees work. Therefore, they are not typically bound by the IBC. Instead, the Occupational Safety and Health Administration’s (OSHA) Fixed Industrial Stair regulations (1910.24) govern the design, construction and use of both interior and exterior stairs used to access equipment, machinery, tanks, elevated platforms, other floors or pits.

Differences Between IBC and OSHA stair codes


IBC Stairs have a horizontal run that is approximately 1.5 times the deck height, not including landings or handrail extenders, so a 10’ high mezzanine deck would have an approximate 15’long stairwell.


With OSHA Stairs the horizontal run and the length of the stairwell, is approximately equal to the height of the deck. For instance if the mezzanine deck height is 10’, the stairwell is 10’ long.

Metal Stairs Installation Guide


Panel Built modular offices and mezzanines are 100% relocatable and expandable. Because they are made onsite, our products are ready 40 percent faster than stick-built.

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