What are K-Ratings for Fences?

At Hercules High Security, we take great pride in offering our customers k-rated anti-crash fences, designed to stop even the toughest vehicles from gaining unauthorized access to your property or facility. Today, we’ll explain exactly what the k-rating system is and what it means for you.

High Security Fencing

What is a K-Rating?

A k-rating is a crash test certification, given out by the Department of state, that indicates how well a fence or other barrier will stand up to impact from a vehicle. Specifically, k-ratings are designed to provide a universal measurement system for a barrier’s effectiveness measured against vehicles of a certain weight, traveling at a specific speed. The k-rating system assumes the standard weight of a vehicle is 15,000 lbs, which is the weight of a typical semi-truck cab, and three times the weight of the average American car. In order to be certified with a specific k-rating, a fence or barrier must allow no more than 36 in of the truck bed to penetrate the barrier, when that truck is traveling at a certain speed.

  • A K4 rating means that a 15,000 lb truck, moving at 30 mph, will not penetrate the fence or barrier more than 36 inches pat the truck bed.
  • A K8 rating certifies a barrier for a vehicle moving at 40mph
  • A K12 rating certifies a barrier for a vehicle moving at 50 mph

People are often confused by the measurement of “36in past the truck bed,” assuming that if a truck can make it to the truck bed, the occupants will have gained entry into their facility. This is not the case. For a fence or barrier to achieve any k-rating, it cannot break. This means that even though a truck traveling at 50 mph could partially penetrate a K12-rated barrier or fence, to do so would completely destroy the vehicle and its occupants while leaving the barrier or fence intact.

K-rated fences and barriers are widely used in various fields, all over the world, protecting government facilities and private residences alike. The k-rating is the world standard for every known anti-terrorism crash protector made within the past 15 years, having become standardized in 2000.

Looking for K-Rated Fences and Barriers?

Call Hercules High Security! All high security fences designed and installed by Hercules Fence will provide great strength and design. Look around our website to get a corporate overview and tour of our Hercules Fence Facility. Our entire line of fencing comes with extended warranties to ensure you have superior high security products for years to come. Our high security fence contractors truly offer security in every job. We have provided excellent fence designs and exceptional customer service since 1955. Request an estimate today with us to start on your high security project.

We have six convenient locations and there is a Hercules Fence professional ready to serve you from Maryland and the Washington Metropolitan area to North Carolina. Our branch offices are in Manassas, Richmond, Newport News, Norfolk, Virginia, Maryland, and North Carolina.

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