Are Handrails Required on Both Sides of Interior Stairs: Safety Guidelines and Regulations Explained

Are Handrails Required on Both Sides of Interior Stairs?

Handrails are required on both sides of interior stairs according to ADA Standards.

The handrails must be continuous within the full length of each stair flight, including switchback or dogleg stairs.

Exceptions to this requirement include stairs that are not part of a required means of egress, alternating tread devices, aisle stairs in assembly areas, stairs in non-public areas of detention and correctional facilities, and stairs of play components.

Additionally, in facilities primarily serving children, a second set of stairway handrails with a maximum height of 28 inches is advisable.

Handrails must have rounded edges, be free of abrasive or sharp elements, and comply with protruding object requirements.

Wall-mounted handrails cannot protrude more than 4½” into circulation paths if their leading edges are higher than 27″.

Key Points:

  • Handrails are required on both sides of interior stairs according to ADA Standards.
  • Handrails must be continuous within the full length of each stair flight, including switchback or dogleg stairs.
  • There are exceptions to this requirement for stairs that are not part of a required means of egress, alternating tread devices, aisle stairs in assembly areas, stairs in non-public areas of detention and correctional facilities, and stairs of play components.
  • In facilities primarily serving children, a second set of stairway handrails with a maximum height of 28 inches is advisable.
  • Handrails must have rounded edges, be free of abrasive or sharp elements, and comply with protruding object requirements.
  • Wall-mounted handrails cannot protrude more than 4½” into circulation paths if their leading edges are higher than 27″.

Did You Know?

1. The International Building Code (IBC) specifies that handrails are required on both sides of interior stairs only if the stairway has a width of 44 inches (111.76 cm) or greater.

2. The term used for the handrail on the inside edge of a stairway is the “inner handrail,” while the one on the outside edge is called the “outer handrail.”

3. In some cases, handrails are not required on one side of interior stairs if there is a wall or other rigid surface within 36 inches (91.44 cm) of the stairway.

4. The height at which handrails are installed on interior stairs is typically between 34 inches (86.36 cm) and 38 inches (96.52 cm) measured vertically from the stair tread’s leading edge.

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5. Handrails on both sides of interior stairs are not only crucial for safety but also for accessibility. They provide support and stability for individuals with mobility challenges, making it easier for them to navigate the stairs.

Handrail Requirements For Interior Stairs – ADA Standards Explained

When it comes to the safety of interior stairs, the Americans with Disabilities Act (ADA) has established clear guidelines and standards that must be followed. One of the key requirements outlined by the ADA is the installation of handrails on both sides of interior stairs. These handrails are not just a mere decorative feature, but rather an essential safety element that ensures the well-being of individuals using the stairs.

According to the ADA standards, compliance is mandatory for both interior and exterior stairs that are part of a required means of egress. This means that any stairs that serve as an exit route or emergency escape route must adhere to the handrail requirements. However, it’s important to note that stairways that are not part of a required means of egress and alternating tread devices are exempt from these standards.

Exemptions From Handrail Standards For Interior Stairs

While most interior stairs are required to have handrails on both sides, there are certain exemptions to this rule:

  • Aisle stairs in assembly areas
  • Stairs in non-public areas of detention and correctional facilities
  • Stairs of play components

These exemptions are based on the specific nature and function of these stairs, where the ADA recognizes that additional handrails may not be necessary or practical.

It’s crucial for architects, designers, and building owners to familiarize themselves with these exemptions to ensure that they are following the correct guidelines for their particular project. It’s always recommended to consult with a professional who is well-versed in ADA standards to ensure full compliance.

Continuous Handrails: Essential For Safety On Interior Stairs

When installing handrails on interior stairs, it is crucial to ensure that they are continuous along the entire length of each stair flight. This means that there should be no breaks or interruptions in the handrail. This continuous feature is essential as it provides individuals with a steady and secure grip as they ascend or descend the stairs.

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Furthermore, for switchback or dogleg stairs, where the stairs change direction midway, it is important to note that inside handrails must also be continuous. This additional requirement ensures that individuals can maintain a continuous grip on the handrail while navigating the change in direction.

Additional Handrail Requirements For Switchback Stairs

In cases where the interior stairs follow a switchback or dogleg design, additional handrail requirements come into play. These stairs typically have a landing or platform in between the flights of stairs.

According to ADA standards, handrails on switchback stairs must extend beyond the top and bottom steps of each flight. This extension ensures that individuals have a continuous handrail to grasp as they transition between the different flights of stairs.

It’s important to ensure that these handrail extensions are properly designed and implemented to provide maximum safety and convenience for users. Consulting with professionals who specialize in ADA standards can help ensure that the handrail extensions meet all the necessary requirements.

Considerations For Children’s Facilities: Opting For A Second Set Of Handrails

In facilities that primarily serve children, it is advisable to include a second set of stairway handrails. These additional handrails, which should not exceed a height of 28 inches, provide an extra level of safety and support for young children navigating the stairs. The lower height of these handrails ensures that they are easily reachable and usable by children.

While not mandatory, the ADA recognizes the importance of considering the unique needs and safety requirements of children. Therefore, including a second set of handrails in facilities where children are the primary users is highly recommended.

The installation of handrails on both sides of interior stairs is a crucial safety requirement outlined by the ADA. These handrails must be continuous, meaning there should be no breaks along their entire length. Switchback stairs require additional handrail extensions, and facilities primarily serving children should consider adding a second set of handrails. By adhering to these regulations and guidelines, architects, designers, and building owners can ensure the safety and well-being of individuals using interior stairs.


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Frequently Asked Questions

Should stairs have a railing on both sides?

Yes, stairs should have a railing on both sides for several reasons. Firstly, installing handrails on both sides of stairs improves accessibility and safety, allowing individuals to have a secure grip and balance while ascending or descending the stairs. This is especially important for people with mobility issues or those carrying heavy objects, as it reduces the risk of accidents and falls. Additionally, having handrails on both sides promotes inclusivity, ensuring that everyone, regardless of their physical abilities, can navigate the stairs comfortably and with confidence.

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Which side should handrail be on stairs?

When deciding on which side to install a handrail on stairs, it ultimately comes down to personal preference and practicality. Some individuals may prefer to have the handrail on the right side if they are right-handed, as it allows for a more natural grip while ascending or descending the stairs. Others may opt for the left side, especially if they are left-handed. Additionally, factors such as the layout of the staircase and any potential obstructions may influence the choice of handrail placement. Ultimately, the handrail should be installed on the side that provides the most comfort, support, and ease of use for individuals utilizing the stairs.

Do handrails must be provided at least on one side of stairs with four or more risers?

Yes, according to safety regulations, handrails must be provided at least on one side of stairs with four or more risers. This requirement ensures the safety of individuals using the stairway, particularly for staircases that exceed a height of 30 inches or have four or more risers. Additionally, in the case of winding or spiral stairways, a handrail is necessary to prevent access to areas where the tread width is less than 6 inches. These precautions help to maintain stability and prevent accidents on the stairs.

What is the minimum distance between two handrails on stairs?

The minimum distance between two handrails on stairs is determined by the need for a secure hand grip and the necessity to avoid changing hands while ascending or descending. To meet these requirements, the minimum distance between newels should be at least 100mm. This allows individuals to comfortably hold onto the handrail, ensuring their safety and stability while using the stairs. Additionally, having a continuous handrail along the entire rise of the stairs eliminates the need for individuals to switch hands, further promoting convenience and ease of use.

References: 1, 2, 3, 4

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