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What is the lifespan of flexible polymer barriers?

Written by Caleb Shaw | Aug 14, 2024, 8:30:00 AM

 

What Is the Lifespan of Flexible Polymer Barriers?

Flexible polymer safety barriers can have an estimated lifespan of 15–25 years in suitable industrial environments, depending on the material, installation quality, operating conditions and frequency of impacts.

However, this is an indicative lifespan, not a guaranteed service life. A barrier installed in a low-traffic warehouse walkway may last considerably longer than one regularly struck by forklift trucks (FLTs) or other materials handling equipment.

Choosing the right polymer safety barriers, installing them correctly and inspecting them regularly can help businesses maximise their investment while maintaining effective workplace protection.

How Long Do Flexible Polymer Barriers Last?

High-quality flexible polymer barriers are designed for long-term use in warehouses, factories, distribution centres and other industrial environments.

Unlike traditional steel barriers, which may bend permanently following an impact, flexible polymer systems are engineered to absorb and deflect impact energy. Depending on the system and impact severity, they can recover their original shape, reducing the need for repairs or replacement.

Their lifespan depends on several factors:

  • Material quality: The type of polymer, its formulation and manufacturing quality affect durability.
  • Impact frequency: Barriers exposed to regular forklift collisions may experience greater wear.
  • Impact severity: Vehicle weight, speed and angle of impact influence the forces transferred to the barrier.
  • Environmental conditions: Temperature extremes, UV exposure and chemicals can affect certain polymers.
  • Installation quality: Incorrect fixings or unsuitable flooring can compromise performance.
  • Maintenance: Regular inspections help identify damage before it becomes a more serious safety concern.

For these reasons, the expected lifespan should always be considered alongside the manufacturer's specifications and the conditions in which the barriers will operate.

What Affects the Lifespan of Polymer Safety Barriers?

1. Material Composition and Quality

Not all polymer barriers are manufactured from the same materials.

Common options include polypropylene (PP), high-density polyethylene (HDPE) and modified polyvinyl chloride (PVC). Each has different mechanical properties, which manufacturers can improve through specialist formulations and additives.

Clarity supplies MPM polymer safety barriers manufactured using modified PVC engineered for flexibility and impact resistance.

The material's ability to absorb impact energy is particularly important in industrial environments where forklift trucks, pallet trucks and other vehicles operate close to pedestrian areas.

For a more detailed explanation, read our guide to polymer safety barriers: PP vs PVC.

2. Frequency and Severity of Forklift Impacts

One of the biggest factors affecting barrier lifespan is the frequency and severity of vehicle impacts.

Consider two different warehouse environments:

  • Low-impact environment: A pedestrian barrier separating a designated walkway from occasional vehicle movements.
  • High-impact environment: A barrier protecting a busy loading bay where forklifts regularly manoeuvre with heavy loads.

The second installation may experience significantly greater wear.

Although flexible polymer barriers are designed to absorb impacts, they are not indestructible. Repeated collisions, particularly those exceeding the system's tested impact capacity, can damage the barrier, its fixings or the surrounding floor.

Businesses should therefore choose barriers based on their actual operating risks rather than appearance or initial cost alone.

3. Temperature and Environmental Conditions

Environmental conditions can influence how long a polymer barrier remains effective.

For example, cold storage warehouses may require barriers specifically designed to maintain suitable impact performance at low temperatures.

External installations may also require UV-stabilised materials to reduce degradation from prolonged sunlight exposure.

Other considerations include:

  • Regular exposure to cleaning chemicals
  • Moisture and washdown procedures
  • Temperature fluctuations
  • Outdoor weather conditions
  • Heavy industrial contamination

Not every polymer barrier is suitable for every environment. Always confirm that the selected product is rated for the intended conditions.

4. Installation and Floor Conditions

Even a high-quality safety barrier can perform poorly if installed incorrectly.

The effectiveness of an impact protection system depends on more than the barrier itself. Fixings, floor condition, anchor specification and installation methods all influence how the system performs during a collision.

For example, a barrier installed into damaged or unsuitable concrete may experience fixing failures even if the polymer components remain intact.

Before installation, businesses should assess the floor condition and follow the manufacturer's fixing requirements.

Can Flexible Polymer Barriers Withstand Repeated Forklift Impacts?

Flexible polymer barriers are designed to manage impact energy through controlled deflection.

When a forklift strikes a suitable barrier within its tested performance limits, the polymer components can flex and absorb some of the force before recovering towards their original position.

This can offer advantages over rigid steel barriers, which may permanently deform or transfer substantial forces into the floor and fixings.

However, the level of protection depends on the specific barrier system, vehicle characteristics and collision conditions.

A barrier designed for pedestrian segregation may not be suitable for protecting infrastructure against heavy, high-speed vehicle impacts.

It is also important to understand that flexibility does not mean a barrier can withstand unlimited collisions without damage.

For more information about material failure and impact performance, read What Causes Polymer Barriers to Shatter?.

When Should Polymer Safety Barriers Be Replaced?

Polymer safety barriers should be inspected regularly and after significant vehicle impacts.

Signs that a barrier may need repair, further assessment or replacement include:

  • Visible cracks, splits or fractures in polymer components
  • Permanent deformation or failure to recover after an impact
  • Loose, bent or damaged fixings
  • Cracked concrete or movement around anchor points
  • Damaged posts, rails or connecting components
  • Signs of material degradation or unusual brittleness
  • Changes in barrier alignment that could reduce protection

Not every mark or scratch means a barrier needs replacing. Minor cosmetic damage may have little effect on performance, while damage to fixings or structural components can be much more serious.

If there is uncertainty about a barrier's condition following an impact, the affected area should be made safe and the system assessed by a competent person before being relied upon again.

Inspection and replacement decisions should follow the manufacturer's guidance.

Do Flexible Polymer Safety Barriers Require Maintenance?

Flexible polymer barriers generally require less cosmetic maintenance than painted steel alternatives because they do not rust and typically do not require regular repainting.

However, low maintenance does not mean maintenance-free.

Warehouse and factory operators should establish an inspection process appropriate to their site risks.

This may include:

  • Routine visual checks for damage
  • Inspections following reported forklift collisions
  • Checking posts, rails, connectors and fixings
  • Monitoring floor condition around anchor points
  • Cleaning barriers to maintain visibility
  • Recording damage and arranging repairs where necessary

High-traffic areas may require more frequent checks than barriers installed in lower-risk locations.

Keeping a record of impacts and repairs can also help identify recurring collision points where traffic management or layout improvements may be needed.

Do Polymer Safety Barriers Come With a Warranty?

Warranty terms vary between manufacturers, products and suppliers.

A warranty may cover specific manufacturing or material defects, but it should not be confused with the expected service life of the barrier.

For example, a product may have an anticipated lifespan of many years without its warranty covering every type of impact damage throughout that period.

Before purchasing, ask your supplier to confirm:

  • The warranty period for the selected system
  • Which components are covered
  • Whether impact damage is included or excluded
  • Any installation and maintenance requirements
  • Conditions that could invalidate the warranty

Clarity can help businesses understand the relevant product specifications and warranty terms when selecting a suitable barrier system.

How Can You Extend the Lifespan of Polymer Barriers?

The most effective way to maximise barrier lifespan is to select the right protection system from the beginning.

A warehouse with frequent heavy forklift movements may require a different barrier specification from a factory with occasional pallet truck traffic.

Businesses should consider vehicle weights, operating speeds, traffic routes, pedestrian movements and potential collision points.

Correct installation, regular inspections and prompt attention to damaged components can also help maintain long-term performance.

Where repeated impacts occur in the same location, reviewing the traffic layout may be more effective than repeatedly repairing or replacing the barrier.

Choosing Long-Lasting Polymer Safety Barriers for Your Warehouse

A flexible polymer barrier can be a long-term investment in workplace safety, but its performance depends on selecting a system suited to the risks of your site.

At Clarity Safety, we help businesses identify appropriate barrier solutions for warehouses, manufacturing facilities and distribution centres.

Whether you need to separate pedestrians from forklift traffic, protect warehouse infrastructure or improve existing vehicle routes, our team can support you with barrier selection, site planning, supply and installation.

Explore our range of polymer safety barriers or contact Clarity Safety to discuss your requirements.