Thickness Guide
Which thickness do I need?
4–6mm — Cardio, treadmills, yoga. Light floor protection.
10–12mm — Home gyms, dumbbells up to 30kg. Great all-rounder. Most Popular
16–17mm — Commercial gyms, heavy free weights, CrossFit.
20–30mm — Olympic lifting, deadlift platforms. Maximum protection.
Not sure? Ask our experts
17mm Rubber Gym Mats – Built for CrossFit & Functional Training
900mm × 900mm (3ft × 3ft) · Interlocking Design · UK Stock
17mm thickness meets large 900mm format — the practical choice for CrossFit boxes and serious home gyms. Handles moderate barbell drops up to 100kg, covers areas 3× faster than standard tiles, and costs 30-40% less than 20-30mm flooring.
Free UK Delivery. 25% off with code GYM25.
Key Specs
| Spec | Details |
|---|---|
| Thickness | 17mm (±1mm) |
| Mat Size | 900mm × 900mm (0.81m² per mat) |
| Weight per Mat | 12kg (two-person handling recommended) |
| Material | Recycled SBR rubber (900 kg/m³) |
| Impact Absorption | 75% force reduction (tested to 100kg) |
| Noise Reduction | 70% sound dampening |
| Lifespan | 10–15 years (moderate use) |
Why Choose 17mm Large Format?
- 3× faster installation — 16 mats covers a 3.6m × 3.6m area vs 52 standard tiles
- 70% fewer seams — cleaner appearance, less dirt trapped in joints
- Handles CrossFit WODs and barbell drops up to 100kg
- 30-40% cheaper than 20-30mm — adequate protection without premium pricing
Ideal For
- CrossFit boxes — general training areas (not Olympic lifting platforms)
- Serious home gyms with functional training
- PT studios and bootcamp facilities
- Community centres and multi-purpose training spaces
Installation
Interlocking puzzle edges snap together — two people recommended due to 12kg mat weight. A 3.6m × 3.6m area takes 30-45 minutes. No tools or adhesive required. Works over concrete, wood, or existing flooring.
Free UK delivery on all orders. Expert advice from our team — call 01282 277 710 or message us online.
Technical Specifications
- Thickness: 17mm
- Tile Size: 900mm x 900mm (3ft x 3ft)
- Weight per Tile: Approx. 12kg
- Material: High-density recycled rubber
- Edge Type: Interlocking puzzle edges — no adhesive required
- Surface Finish: Non-slip textured top surface
- Coverage per Tile: 0.81m²
- Suitable For: CrossFit, weightlifting, functional training, home gym
- Colour: Black
Why Choose 17mm Over Standard 20mm Tiles?
The 17mm thickness strikes the ideal balance between shock absorption and stability. Thinner than 20mm tiles, the lower profile reduces trip hazard on gym edges while still offering excellent impact protection for barbell drops and heavy lifts. The larger 900mm format means fewer joins, a cleaner look, and up to 3x faster installation versus standard 500mm tiles.
Why Buy From Gym Flooring UK?
- UK stock — fast despatch, typically 3–5 working days
- Free UK delivery on all orders
- Expert flooring advice from our team — call 01282 277 710
- Trusted by CrossFit boxes, personal trainers and home gym owners across the UK
- High-density recycled rubber — durable, sustainable, and built to last
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Before You Commit
We send you a complimentary material sample so you can assess thickness, texture, and grip in your own space. No obligation. No cost.

















