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Parapet Railing System

Wall Mounted Guardrail

Wall mounted guardrail is an OSHA compliant and cost-effective solution
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OSHA Compliant

Wall mounted guardrail is engineered to meet and exceed OSHA requirements ensuring continued safety.

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Maintain Durability

Wall mounted railing is made from galvanized steel that is corrosion resistant in all types of weather and environments.

buildings

Protect Roof Integrity

Connecting railing to a wall eliminates the need for costly openings into the roof for installation.

Best Practices

Easy Installation

Wall mounted railing only requires basic tools and labor. The pipe and fittings system fastens together with simple set-screws.

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Benefits of Wall Mounted Guardrail

OSHA Compliant Wall-Mounted Guardrail

The main benefits to wall mounted railing is that it keeps people safe and saves space.

Our wall mounted railing does this by meeting and exceeding OSHA's height and load requirements. With wall mounted railing, you'll have a barrier that:

  • Has a height of 42 inches (plus or minus 3 inches).
  • A mid rail that is 21 inches above the walking working surface.
  • Top rail can withstand a load of 200 lbs.

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Durable and Customizable Wall-Mounted Guardrail

Galvanzied steel has tested and proven corrosion resistant properties that will ensure your wall mounted railing lasts for years to come.

With modular components, your new wall mounted railing system can be designed to fit your unique roof.

There are different mounting options to best fit your rooftop to ensure safety standards are met everywhere, that installation is simple, and that it matches your rooftop's aesthetic.

Case Study: Wall Mounted Railing for Air Traffic Control Tower

Easily Installed Wall-Mounted Guardrail

Our modular wall mounted railing is made from a pipe and fittings system that is easy to install.

There is no welding and the fittings attach to the pipe through a series of set screws. The only power tools you’ll need are for mounting the railing to your buildings exterior.

This allows for your team to be able to install the guardrail without any special training. We do offer additional installation methods and you can contact our team to discuss the best installation method for your wall mounted guardrail.

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OSHA Requirements for Wall-Mounted Guardrail

The following is an excerpt from OSHA 1910.29 (b) that covers the responsibility for fall protection on working and walking surfaces. Please review the full code for further information. 

1910.29(b) 
Guardrail systems. The employer must ensure guardrail systems meet the following requirements: 

1910.29(b)(1) 
The top edge height of top rails, or equivalent guardrail system members, are 42 inches (107 cm), plus or minus 3 inches (8 cm), above the walking-working surface. The top edge height may exceed 45 inches (114 cm), provided the guardrail system meets all other criteria of paragraph (b) of this section (see Figure D-11 of this section). 

If your wall or parapet is less than 39 inches, then you need a top rail above that parapet to meet the OSHA requirement of 42 inches.

OSHA allows for a small variance of plus or minus 3 inches to the railing. It is important to note that if your railing is only 39 inches in height, if it deflects even a quarter inch from weight or any other force, then it is no longer and OSHA compliant guardrail.

This ensures that in the event of a trip or fall, the parapet (with or without railing) is tall enough to prevent an individual from falling.

inside wall mounted parapet railing

The following is an excerpt from OSHA 1910.29 (b) that covers the responsibility for fall protection on working and walking surfaces. Please review the full code for further information. 

1910.29(b)(2) 
Midrails, screens, mesh, intermediate vertical members, solid panels, or equivalent intermediate members are installed between the walking-working surface and the top edge of the guardrail system as follows when there is not a wall or parapet that is at least 21 inches (53 cm) high: 

1910.29(b)(2)(iv) 
Other equivalent intermediate members (such as additional midrails and architectural panels) are installed so that the openings are not more than 19 inches (48 cm) wide. 

double rail parapet guardrail

Additionally, if your parapet is less than 21 inches high, then you need a midrail to meet the OSHA standard.

For a midrail, you must ensure that there is no more than a 19 inch space between the top rail and the midrail/parapet.

This is commonly reffered to as the "19-inch sphere rule" which is, like all these regulations, meant to help prevent any fall hazards.

If you would like to learn more about guardrail requirements, check out our full OSHA Guardrail Guide.

Load Requirements for Wall-Mounted Railing

When you do need to apply wall mounted guardrail to your rooftop, it is important to note these OSHA load requirements:

The following is an excerpt from OSHA 1910.29 (b) that covers the responsibility for fall protection on working and walking surfaces. Please review the full code for further information. 

1910.29(b)(3) 
Guardrail systems are capable of withstanding, without failure, a force of at least 200 pounds (890 N) applied in a downward or outward direction within 2 inches (5 cm) of the top edge, at any point along the top rail. 

1910.29(b)(4) 
When the 200-pound (890-N) test load is applied in a downward direction, the top rail of the guardrail system must not deflect to a height of less than 39 inches (99 cm) above the walking-working surface. 

1910.29(b)(5) 
Midrails, screens, mesh, intermediate vertical members, solid panels, and other equivalent intermediate members are capable of withstanding, without failure, a force of at least 150 pounds (667 N) applied in any downward or outward direction at any point along the intermediate member. 

Wall-Mounted Railing Options

Top Mounted Guardrail for Parapets Top Mounted Guardrail for Parapet with Stone Cap

Top Mounted Guardrail

The above example includes a standard flange that mounts on top of the parapet wall and an inline guardrail style that keeps the horizontal rails in between the posts. This is our most common design and is often used for short runs on rooftops.

Offset Side Mounted Guardrail for Parapet Side Mounted Guardrail for Parapet with Stone Cap

Side Mounted Offset Guardrail

The side mounted offset post will attach to the face of the parapet. The offset railing base will set your post back 1-2 inches (depending on pipe size), allowing you to over small obstacles like overhanging stone caps.

Side Mounted Guardrail for Parapet Side Mounted Guardrail for Parapet with Flashing

Side Mounted Guardrail

The standard wall flange will connect to the face of the wall. The single socket tee is used for the horizontal rail and couplers will be required to connected longer sections of guardrail.

Angle Mounted Guardrail for Parapet Angled Mounted Guardrail for Parapet with Flashing

Angle Mounted Guardrail

The angle mounted guardrail mounts to the top of the wall and hangs off of the side. The connections are placed under flashing, helping with water resistance. The angle of the post with separation from the hazard and visibility.

Wall Mounted Guardrail FAQs

How high does a roof railing need to be?

The top rail should be 42 inches in height above the walking surface to meet OSHA standards. The height of the posts will depend on the height of the parapet wall and whether you are attaching it to the top of the parapet or to the wall of the parapet.

Is my parapet wall enough for fall protection?

It depends on the height of a parapet. If your parapet is shorter than 39 inches, it's simply not high enough to meet the guidelines and isn't considered sufficient. OSHA allows for a +/- 3 inches variance on the 42 inches height requirement, allowing a 39 inches parapet wall to be sufficient.

Can my wall mounted guardrail be powder-coated?

Yes, your guardrail can be powder-coated to any RAL color.

How far apart should my guardrail posts be?

This will be based on the manufacturer's design requirements. Commonly, posts will be no more than 8 feet on center. This can change based on the design of the railing, additional code requirements or the structure of the building.

When do I need a midrail?

A midrail for a parapet wall and railing must be installed between the top rail and the walking/working surface when there is no wall or parapet that is at least 21 inches high. 1910.29(b)(2)

What is the difference between inline and offset guardrail?

This refers to the orientation of the horizontal rail and the posts. An inline railing using connectors that cause the posts and the rails to be in the same plane, giving a contiguous form. An offset railing will use connectors that cause the rails to attach to the side of the posts.

What safety codes does wall mounted guardrail comply with?

Our guardrail complies with OSHA and IBC standards.

Contact Us About Wall-Mounted Guardrail

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Michael Hannah
Fall Protection Specialist
Or call a specialist at:
1-866-527-2275
Michael Hannah
Fall Protection Specialist
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