Rubber Grass Mats for Horses UK: Gateway & Paddock Protection Guide
Horse gateways are among the most punishing environments for any ground protection product. Concentrated hoof traffic, deep poaching, and heavy machinery access combine to destroy unprotected grass surfaces within a single season. Rubber grass mats, correctly specified and installed, provide a permanent solution that protects the ground, gives horses reliable footing, and eliminates mud in all weathers.
Why Horse Gateways Need Protection

A horse exerts ground pressure of 50–80 PSI through each hoof at the walk — significantly higher than vehicle traffic. At a gateway, this concentrated pressure at a single point creates deep poaching that progressively worsens through autumn and winter. The result is a mud pit that is dangerous for horses (slipping, joint stress), difficult for handlers, and damaging to machinery that must access the field.
Rubber grass mats spread hoof load across their full surface area, reducing effective ground pressure below the grass root damage threshold. The open-cell structure maintains drainage so water passes through rather than pooling on the surface.
Specification for Equestrian Use

| Application | Recommended Thickness | Notes |
|---|---|---|
| Horse gateway (ponies, light horses) | 17mm minimum | Covers gateway width plus 2m into field |
| Horse gateway (heavy horses, warmbloods) | 23mm | Higher hoof impact loads require thicker mat |
| Feeding stations / water troughs | 17–23mm | Cover 1.5m radius around station |
| Tractor/vehicle access routes | 23–30mm | Mixed use with vehicles needs thicker mat |
| Arena approaches and warm-up areas | 17mm | Usually firm base — 17mm sufficient |
How Much Area to Cover
A common mistake is under-sizing equestrian gateway protection. The high-traffic zone extends further than the gate itself:
- Gate width + 1m each side — horses approach at angles, creating wear on both sides of the posts
- 3–5m into the field — horses bunch up and pivot at the gate; the first 3–5m inside takes the most hoof traffic
- 3–5m outside the gate — the approach path deteriorates first; extending protection outward prevents a muddy approach forming that horses then avoid (creating wider damage)
For a standard 3m field gate, this means covering an area of approximately 5m wide × 8–10m long = 40–50m² of rubber grass mat.
Sub-Base for Equestrian Grass Mat Installation
Equestrian gateways are typically on heavily poached, compacted ground that needs remediation before mat installation:
- Remove accumulated mud and organic matter — excavate to firm ground (minimum 200mm depth in most poached gateways)
- Install a woven geotextile membrane to prevent sub-base and sub-grade mixing
- Backfill with 150mm compacted Type 1 MOT granular fill — compact in 75mm lifts
- Optional: install a second geotextile layer above the fill to prevent mat sink-in on sandy fill
- Lay rubber grass mats from a fixed boundary edge, connecting interlocks firmly
- Secure perimeter with ground pegs through mat apertures (horses can dislodge unsecured mat edges)
Maintenance and Longevity
Rubber grass mats in equestrian use require minimal maintenance:
- Clear debris — scrape mud and manure off the surface regularly to maintain drainage through the mat apertures
- Check interlock edges after hard frosts — frost heave can displace individual mats; push back into position and check pegs
- Lift and inspect annually in the first two years to check sub-base condition and mat seating
- Replace individual mats if cracked or badly deformed rather than the entire installation
Properly installed rubber grass mats in equestrian applications typically last 15+ years with this maintenance regime.
Frequently Asked Questions
Are rubber grass mats slippery when wet for horses?
No. Quality rubber grass mats have a textured surface that provides reliable grip for horses in wet conditions. The open-cell structure also prevents water pooling on the surface — water passes through the mat and into the sub-base below.
Will horses chew or damage rubber grass mats?
Horses occasionally mouth unfamiliar objects including rubber mats, particularly during installation. Once established, most horses ignore the mats. Bored horses in small paddocks are more likely to chew mat edges — secure perimeter edges with ground pegs or edge strips to reduce exposed edges.
Can rubber grass mats be installed over existing poached mud?
No — this is the most common installation mistake. Mats installed over soft, waterlogged mud will sink and tilt under hoof traffic within weeks. Always excavate to firm ground and install a proper granular sub-base before laying mats.
What size rubber grass mats are best for equestrian use?
Standard 500mm × 500mm interlocking mats are the most practical for equestrian gateway installations — they are manageable by one person, easy to transport through a gate, and can be cut to fit around posts and irregular boundaries. Larger slab formats are available but require machinery for installation.
Browse Rubberco's rubber grass mat range or read the complete Rubber Grass Mats UK guide for thickness selection tools and application comparison.