Reaching for the Skies - How tall can I build with AB Fence?

Written by Chad Julius

Let’s start with the current record holder.  Our tallest AB Fence system built is located in South Hackensack, New Jersey and reaches a maximum height of 30 ft (9.0 m). For a complete write up you can check out the case study, Tallest Sound Barrier.  I would doubt we will see too many projects that will require a taller fence than that. 

Most of our fence projects range from 6 ft (1.9 m) to 12 ft (2.8 m). However, instead of focusing on the maximum height, let’s talk about what factors will influence the height.

• Wind Pressure – based on climate information for your area and average wind speed is known.
• Exposure to the Wind – fences that are constructed on shorelines and in open areas will be unprotected to the wind more than fences that are located around buildings.
  
• Post spacing – this all comes down to the size of the panel area and how much pressure is being supported by the posts.
  
• Concrete Strength – there are limits to the strength of concrete and too much pressure could cause cracking and failure.
  
• Structural Steel Design – this includes the amount of steel located in the posts as well as the bond beams within the panel.  The more bond beams used the stronger the panel becomes.  

For more information check out the AB Fence Section at allanblock.com.