Horse Stable Panel Kick Boards: Ply, HDPE, Rubber or Timber Composite?

Plywood, marine ply, HDPE, rubber, and recycled plastic composites each respond to those conditions in their own way. There isn’t one material that wins every comparison. Some resist moisture better, and prevent warping. Some materials absorb impact better.  Some are preferred for stall safety. Some cost less. Others require less maintenance.

The insert inside a prefabricated horse panel does a fairly hard job. It gets kicked, rubbed against, washed down and exposed to moisture, dirt and stable waste. In Queensland and northern New South Wales, humidity adds another consideration.

What Do Horse kickboard Insert Actually Do?

A manufacturer doesn’t make a prefabricated horse panel from one material.

The frame provides the main structure. The stable kickboard creates the solid barrier between the horse and adjoining stables. Depending on the panel design, mesh, bars or another open section can sit above it.

The frame and the lower insert wear at different rates.

A well-made steel frame can remain serviceable while a lower horse kick board gets scratched, chewed, kicked or damaged by moisture. If the panel has a replaceable insert, you can deal with wear by swapping out the insert.

And that’s worth considering when comparing materials.

Horse Safe Stable Wall Materials at a Glance

That’s the short version. The differences become apparent when you know where the stable is going and how it’s actually going to be used.

Plywood Horse Kick Boards: Simple, Affordable and Replaceable

Plywood is common in stable construction for a pretty straightforward reason. It’s readily available, relatively inexpensive and easy to work with.

Plywood is still timber. Moisture can cause problems if it gets to the core often, especially through exposed or damaged edges. This can lead to swelling and delamination. Stable environments aren’t particularly kind to timber either. Humidity, wash-down water, urine and ammonia all have to be considered.

Impact is another variable. Ply provides a firm wall protection. Although a sufficiently hard kick can crack or splinter a board.

That doesn’t automatically make plywood a poor stable material. It means you need to think about it as a component that can be inspected and, eventually, replaced.

That’s one of ply’s practical advantages. You don’t need a specialist plastic fabrication process to make another insert. Sheet material is widely available and can be measured, cut and fitted using familiar tools.

For owners who can handle regular checks and occasional replacements, it’s pretty easy to extend the service life.

Ply pros

• Lower initial material cost
• Widely available
• Easy to cut and work with materials and installation.
• Rigid surface
• Individual inserts can be replaced when the barn design allows it

Ply considerations

• Can absorb moisture
• Edges are particularly important
• May swell or delaminate after ongoing moisture exposure
• Can crack or splinter after significant impact
• Requires more inspection and maintenance than plastic alternatives

Marine Ply Stall boards: Better Moisture Performance, Still Timber

Marine ply is a strong alternative. It solves some problems of ordinary plywood.

Australian marine plywood made to AS/NZS 2272. It uses better materials for tough moisture conditions. Its waterproof adhesive make it more resistant to delamination.

But there’s an important point to note. High-Grade Marine ply is moisture-resistant, but it’s not plastic.

Cut edges and surfaces still need protection. Damage exposing the timber allows moisture to enter. It can also suffer from a severe horse kick.

This option is great for owners who want the familiarity and strength of timber. And when prioritising moisture resistance.

The downside is cost. You will pay much more for this material than for basic plywood or some form-ply products.

Marine ply pros

• Better moisture resistance than ordinary plywood
• Strong, rigid panel
• Familiar cutting and installation methods
• Better-quality core construction

Marine ply considerations

• Higher purchase price
• Still needs appropriate edge protection
• Still an organic timber product
• Severe impact can crack or damage it

HDPE Horse Panel Inserts: Moisture Doesn’t Bother Them

HDPE (high-density polyethylene)  takes timber’s biggest weakness largely out of the equation.

It doesn’t absorb water in the way plywood does. It won’t rot, and there’s no timber core waiting to swell or delaminate if the surface gets wet.

That’s an obvious advantage in humid climates and regularly washed-down areas.

Maintenance is also simple. HDPE doesn’t need painting or sealing and its smooth surface is relatively easy to clean.

Impact behaviour is different from plywood. Rather than behaving as a completely rigid board, HDPE can have some flex. The amount depends on the grade, thickness, panel dimensions and how it’s supported by the surrounding frame.

That last point matters significantly in the context of equestrian safety and performance in high-impact zones.

Calling something an “HDPE insert” doesn’t tell you how it’ll perform when a horse kicks it against the stall wall . A thin sheet and a properly supported, thick board aren’t the same thing.

HDPE also tends to cost more once you’re comparing appropriately thick board stable inserts.

Still, for owners who put high moisture resistance and low maintenance near the top of the list, it’s an option worth considering.

HDPE pros

• Doesn’t rot
• Fully non-porous doesn’t absorb moisture like timber
• No sealing or painting
• Easy-clean surface
• Good impact resistance
• Particularly relevant to wet and humid environments

HDPE considerations

• Material has a higher upfront cost
• Flex varies with thickness and support
• Correct specification matters
• Less universally available than ordinary plywood
• Thermal expansion and fixing methods need to be considered when designing the insert

Rubber Stable Linings: More Cushion, Different Considerations

Rubber changes the conversation because its main strength isn’t rigidity.

It’s cushioning.

A quality rubber lining can absorb more energy from a hoof kick than a hard timber or plastic surface. That’s why rubber is widely used around equine facilities where impact and footing are concerns.

But putting rubber on a partition wall needs more thought than simply attaching a mat.

The rubber itself is water resistant. The space behind it is the issue.

If moisture, wash water or urine gets behind poorly fitted rubber and can’t drain or dry, you’ve created an area that’s difficult to inspect and clean. Seams, fixings, structural wall preparation and drainage therefore matter.

Rubber is also heavy. That’s manageable, but removing and replacing a large rubber section isn’t quite the same job as cutting another sheet of ply.

Rubber pros

• Excellent impact absorption
• Softer surface
• Water-resistant material
• Durable when correctly specified
• Can reduce noise from impact
• Non-toxic once cured

Rubber considerations

• Heavy
• Installation detailing matters
• Moisture can become trapped behind poorly installed material
• More difficult to inspect concealed surfaces
• Replacement can involve more labour

For some horses and facilities, those trade-offs make sense. For others, they don’t.

Recycled Plastic and Composite Stable Boards

This category needs a little care because “composite” can describe quite different products.

Recycled polyethylene boards and plastic lumber products can offer many of the moisture advantages of HDPE. They don’t rot like timber, don’t need painting and can perform well in humid environments.

Some products are manufactured as tongue-and-groove boards rather than large sheets. That can change both impact behaviour and how individual damaged sections are replaced.

There can be some flex under load, which again isn’t automatically good or bad. It depends on the profile, thickness, span and how the stable frame supports the material.

Availability is another consideration.

Standard plywood can be sourced from timber and building suppliers almost anywhere. A particular recycled-plastic profile may need to come from a specialist supplier. That’s worth knowing before committing an entire facility to one product.

Composite/recycled plastic pros

• Strong moisture resistance
• No timber rot
• No regular sealing
• Easy-clean surface
• Some products use replaceable individual boards

Composite/recycled plastic considerations

• Product specifications vary considerably
• Flex and rigidity depend on the profile
• Specialist profiles may be harder to source
• Cost varies by manufacturer
• Replacement may depend on continued availability of the original profile

What About Phenolic or Film-Faced Plywood for Barn Kickboards?

Film-faced or phenolic plywood sits somewhere between ordinary plywood and the plastic options. It’s still plywood.

The difference is the resin-impregnated surface. This gives the face better resistance to moisture. It makes it easier to clean than untreated timber. That’s useful in a stable.

The weak point remains the edges and any area where the surface coating has been damaged. Repeated rubbing and kicking can wear the film. Sharp edges still need appropriate protection to reduce injury risk.

It’s a useful middle-ground material. You get a relatively economical timber panel with a more resistant surface.

Just don’t confuse film-faced with completely waterproof.

Moisture & Horse stable Ventilation Design in QLD and NSW

A stable wall doesn’t have to be standing in water to experience moisture problems.

There can be humidity, condensation, wash-down water, urine or wet bedding. And periods where surfaces simply don’t dry as quickly as you’d like.

That’s particularly relevant through humid parts of Queensland and northern or coastal NSW.

• For HDPE and plastic composite boards, moisture itself is relatively straightforward. The material isn’t relying on a sealed timber core.
• With plywood, the condition of the board matters more. Pay attention to edges, fixings, scratches, or cracks. Check points where water can enter the material.
• Rubber presents another situation again. Water won’t hurt the rubber, but trapped moisture behind it can create cleaning and hygiene problems.

So “water resistant” doesn’t tell the whole story.

You need to consider the material, its edges, how it’s fixed and what happens to water around or behind it.

Equine Safety Standards:  Kick Resistance vs Kick Cushioning

This is another comparison that can become misleading. There isn’t enough directly comparable equine impact-test data to declare Material A is “safer” than Material B.

A material can be highly resistant to impact without being particularly soft. Another can absorb considerable energy but require a more complicated installation.

• Plywood provides rigidity but can crack or splinter after severe impact.
• HDPE has good impact resistance and can flex rather than behaving exactly like timber.
• Rubber provides considerably more high impact resistance.
• Composite boards vary according to their formulation and profile.

And in a real stable, the insert isn’t working alone anyway.

Thickness matters. So does the span between supports. The frame around it, fixing method, condition of the material both contribute to resistance. The behaviour of the individual horse in the horse barn is also a factor.

If you’ve got a known kicker, tell your stable manufacturer. That’s more useful than relying on a generic material label.

Replacement Is Part of the Material Decision 

Horse stable materials wear out. A horse can damage something that should last for years. A loader might hit a wall. Water can seep into unwanted areas. An edge can break down.

So, ask yourself before choosing the insert:

What happens if I damage a horse kickboard insert?

If the insert can be removed from the stable frame, replacing it can be easier than swapping the entire horse panel.

• Plywood has an clear advantage because replacement sheets are easy to find and simple to cut.
• HDPE can also be cut to size, but finding the right material and thickness may need more planning.
• Rubber can be replaced, but its weight and fixing method can complicate the job. Check if individual boards can be removed. Also consider if the same profile will still available.

None of this makes one material better.

It just changes what ownership looks like after installation.

What Does Guerilla Steel Use?

Our prefabricated horse stall components are designed for easy assembly and durability. Guerilla Steel horse stable panels come standard with plywood lower-panel inserts.

The reason is fairly uncomplicated. Ply keeps costs down and does the job we need. It’s easy to find and simple to replace if an insert gets damaged later.

The steel frame is the main support for the panel. The insert is a part that can be replaced. If a piece of ply gets damaged, you can remove it, cut a new piece, and replace the insert. This way, you don’t need to discard a good panel.

For those who want HDPE, we can discuss that. You can order suitable HDPE to fit as a replacement, depending on the material, thickness, and panel design.

Different property. Different horse. Different priorities.

Large, Standard

GS-PAN-SR-PM-4

Side/Rear Stable Shelter Panel 4m Ply Mesh Combo

Guerilla Steel 4m Ply/Mesh Side/Rear Panel – Suits 4m Bay, New Build or Retrofit

Dimension

4000mm

×

2400mm

$1,210.00

Large, Standard

GS-PAN-FRT-PLY-4F

Front Stable Panel 4m Full Ply with Half Gate

Orientation

4m Front

Dimension

4000mm

×

2400mm

$1,375.00

Large, Standard

GS-PAN-FRT-PM-4F

Front Stable Panel 4m Ply Mesh Combo Half Gate

Orientation

4m Front

Dimension

4000mm

×

2400mm

$1,540.00

Go to All Stables and Shelters

So Which Stable Kick Wall Insert Should You Choose?

Start with the conditions rather than the material name.

• If you often expose materials to water and want low maintenance, consider HDPE. (or a suitable plastic composite).
• If impact cushioning is a major concern, investigate rubber.
• If you want greater moisture resistance but prefer a rigid timber sheet, marine ply is another option.
• If you want a practical and affordable insert that’s easy to replace, plywood is a good choice. Just use it with a stable panel design.

There’s no need to make the decision about horse stall materials more complicated than it is.

Look at moisture. Look at the horse. Consider maintenance. Find out what replacement involves. Then compare the cost. That’s a much more useful way to choose an indoor arena kick board than asking which material is simply “best”.

Talk to Us About Your Stable Panels

If you’re planning new stables or converting an existing shed, tell us how the space will actually be used.

Your location, the stable’s exposure, your cleaning methods, and a horse that damages walls can all influence your decision.

Ask us about standard ply inserts, replacement panels, or other insert options for your build.