Rubber Flooring for Weightlifting Gyms UK | Barbell Drop, Platform & Rack Spec 2026 | Slip-Not
Rubber Flooring for Weightlifting Gyms UK | Barbell Drop, Platform & Rack Spec 2026 | Slip-Not
Weightlifting gyms demand the most extreme rubber flooring specification of any fitness environment. From Olympic platforms absorbing 200kg+ barbell drops to rack surrounds enduring constant iron-on-rubber contact, getting the specification wrong means floor failure, noise complaints, and potential injury. This expert guide covers every zone in a dedicated weightlifting gym — from the competition platform to the changing room — with correct rubber types, depths, and installation methods for UK conditions.
Quick Reference: Weightlifting Gym Rubber Flooring
| Zone | Recommended Rubber | Thickness | Key Requirement |
|---|---|---|---|
| Olympic platform (competition) | SBR roll + plywood base | 20-30mm + 18mm ply | IWF 4×4m footprint, hardwood centre |
| Olympic platform (training) | SBR solid roll | 15-20mm full-bond | Noise/vibration absorption |
| Powerlifting platform | SBR tiles or roll | 20-30mm | Dead-flat, no lip, non-compressible |
| Rack surround / barbell storage | SBR solid tiles | 15-20mm | Durability — constant iron impact |
| General WOD / training floor | SBR solid tiles | 8-15mm | Slip resistance R10, forgiving surface |
| Cardio / stretching zone | EPDM top-layer tiles | 6-8mm | Lower noise, clean aesthetic |
| Entrance / reception | SBR or entrance mat | 6-10mm | R10, debris capture, wayfinding |
| Changing room / shower | EPDM or drainage mat | 8-10mm | V6+ drainage, anti-slip barefoot DIN 51097 |
Why Weightlifting Gyms Need Specialist Rubber Specification
A standard gym rubber tile rated for cardio equipment or general fitness cannot withstand the point-load impact of a 200kg+ Olympic barbell dropped from overhead position. The physics are unforgiving: a 200kg bar dropped from 2m generates an instantaneous impact force exceeding 5,000 Newtons on a footprint less than 50mm diameter. Standard 8-10mm SBR tiles compress, bottom out, and crack — typically within weeks.
UK weightlifting gyms — from Olympic training centres to community lifting clubs — face a specific challenge: noise and vibration transmission to adjacent occupiers. Building Regulations Part E requires adequate protection against impact sound, and many weightlifting gyms operate in shared commercial buildings, above residential premises, or adjacent to noise-sensitive uses. The rubber flooring system must address both athletic performance and acoustic compliance simultaneously.
Rubber vs Alternatives for Weightlifting: Comparison Table
| Factor | Rubber (SBR/EPDM) | Foam Tiles | Sprung Wood | Epoxy Resin | Vinyl/LVT |
|---|---|---|---|---|---|
| Barbell drop resistance | ✅ Excellent (20mm+) | ❌ Fails (compresses out) | ⚠️ Moderate (splits at drop zones) | ❌ Shatters/cracks | ❌ Punctures/tears |
| Point-load tolerance (5,000N+) | ✅ High | ❌ Very low | ⚠️ Moderate | ⚠️ Depends on thickness | ❌ Very low |
| Acoustic performance | ✅ Good (25-35 dB ΔLw at 20mm) | ⚠️ Limited | ✅ Good (sprung system) | ❌ Poor | ❌ Poor |
| Slip resistance (DIN 51130) | ✅ R10-R11 | ⚠️ R9 typical | ⚠️ R9-R10 | ⚠️ R10 with additive | ⚠️ R10 new only |
| Durability under iron | ✅ 15-25 years | ❌ 2-5 years | ⚠️ 10-15 years | ⚠️ 10-20 years | ❌ 3-7 years |
| Cleaning / hygiene | ✅ Easy, resistant | ⚠️ Absorbs sweat | ⚠️ Grain traps bacteria | ✅ Easy | ✅ Easy |
| Installation cost per m² | ✅ £15-£65 | ✅ £8-£20 | ❌ £80-£150+ | ❌ £40-£90 | ⚠️ £15-£45 |
| Repairability | ✅ Tile-by-tile | ✅ Tile-by-tile | ⚠️ Board-by-board | ❌ Full section re-pour | ⚠️ Strip-and-relay |
Olympic Platform Specification
Competition Standard (IWF / British Weightlifting)
A competition-standard Olympic platform must comply with International Weightlifting Federation (IWF) Technical and Competition Rules and British Weightlifting (BWL) venue requirements. The standard platform footprint is 4m × 4m, with the central 1m × 1m lifting area traditionally finished in hardwood (typically maple or beech) to allow the bar to roll correctly during the lift.
IWF-compliant platform construction:
- Base layer: 18mm structural plywood (or equivalent load-rated board) — full 4×4m coverage
- Rubber layer: 20-30mm SBR solid rubber roll, full-bond to plywood with contact adhesive
- Centre insert: 1m × 1m hardwood (maple preferred) recessed flush with rubber surface — 20-25mm thickness
- Edge finishing: Chamfered rubber ramp strip, 45° angle, bonded perimeter — prevents lip and trip hazard
- Colour options: Black SBR standard; EPDM top-layer for colour zone marking (IWF rules require contrasting centre mark)
Training Platform (Non-Competition)
Training platforms can be specified more practically. The plywood base remains important for noise isolation; the hardwood centre is optional but preferred for technique development.
| Platform Type | Rubber Thickness | Base | Centre | Approx Cost (supply only) |
|---|---|---|---|---|
| Budget training (8-lift volume) | 15mm SBR solid | 18mm ply optional | Rubber only | £180-£280 per platform |
| Standard training club | 20mm SBR solid | 18mm ply | Rubber only | £280-£420 per platform |
| Performance training | 20mm SBR + 5mm EPDM top | 18mm ply | Hardwood insert | £450-£650 per platform |
| Competition grade (BWL) | 25-30mm SBR solid | 18mm ply × 2 (doubled) | Maple hardwood | £700-£1,100 per platform |
Noise Reduction: The Critical Variable
A dropped Olympic barbell generates significant structure-borne noise — typically 85-95 dB at 1m distance, with significant low-frequency energy below 100Hz that transmits through concrete floors over long distances. If your gym is above ground level or in a shared building, this is a planning and lease compliance issue, not just a courtesy issue.
| System | Impact Noise Reduction (ΔLw) | Low-Frequency (63Hz) Performance | Approx Supply Cost per Platform |
|---|---|---|---|
| 15mm SBR only (no ply) | 18-22 dB | Poor (drums) | £150-£220 |
| 20mm SBR + 18mm ply | 24-28 dB | Moderate | £280-£380 |
| 25mm SBR + 18mm ply × 2 | 28-34 dB | Good | £420-£580 |
| 20mm SBR + acoustic underlay + ply | 32-40 dB | Very good | £480-£680 |
| Full floating floor (rubber + acoustic + raised) | 40-55 dB | Excellent | £900-£1,500 |
⚠️ Building Regulations Part E Warning: If your gym is in a building with residential occupancy above, below, or adjacent — even if currently vacant — you may be required to demonstrate compliance with Approved Document E impact sound standards. A floating floor system achieving 40 dB+ ΔLw is strongly recommended for any weightlifting gym sharing a structural floor with non-gym occupancy.
Powerlifting Platform Specification
Powerlifting demands different floor properties to Olympic weightlifting. In powerlifting (squat, bench, deadlift), the bar is not dropped from overhead — instead, the load is placed down or the lifter controls the descent. The critical specification is dead flatness and non-compressibility, as any flex or tilt in the platform surface can compromise technique and cause injury under heavy load.
- Thickness: 20-30mm SBR solid rubber (foam tiles or soft rubber are unsuitable — too compressible)
- Installation: Full-bond adhesive to concrete subfloor — no loose-lay (platform must not shift under load)
- Subfloor requirement: Power-floated concrete, level to ±3mm in 3m — any low spots cause tipping under 400kg+ loads
- No interlocking tiles: Tile joins can create micro-ridges that affect equipment stability
- Deadlift area: A deadlift suitcase or sumo stance generates lateral shear load — adhesive bond prevents creep
- Monolift / rack clearance: 300mm minimum rubber extension beyond rack footplate perimeter
Rack Surround & Barbell Storage Specification
Squat racks, power cages, and deadlift platforms all create intense localised wear on rubber flooring. The upright feet of a loaded power cage exert point pressures exceeding 1,500 kPa (N/mm²) — equivalent to a stiletto heel impact, repeated thousands of times per year. Standard gym tiles rated for cardio equipment fail under these loads within 12-18 months.
| Application | Recommended Spec | Thickness | Notes |
|---|---|---|---|
| Rack / cage footplate area | SBR solid 70 Shore A | 20-25mm | Full-bond under uprights |
| Barbell storage (floor-standing) | SBR solid | 15-20mm | Extends 500mm around each holder |
| Bumper plate storage area | SBR solid or tiles | 15mm | Plates dropped/rolled across surface |
| Dumbbell rack surround | SBR solid tiles | 10-15mm | Dropped dumbbells — R10 minimum |
| Kettlebell area | SBR solid tiles | 15-20mm | Swings and drops — R11 preferred |
| Atlas stones / strongman area | SBR solid 70 Shore A | 20-30mm | Maximum specification for irregular objects |
Zone-by-Zone Specification Matrix
| Zone | Product Type | Thickness | Slip Rating | Installation | Notes |
|---|---|---|---|---|---|
| Olympic platform (competition) | SBR roll + maple centre | 25-30mm | R10-R11 | Full-bond + ply base | IWF 4×4m spec |
| Olympic platform (training) | SBR solid roll | 15-20mm | R10-R11 | Full-bond to ply | Noise isolation via ply |
| Powerlifting platform | SBR solid roll | 20-30mm | R10 | Full-bond to concrete | Dead flat — no tiles |
| Rack surrounds / cage area | SBR solid tiles 70 Shore A | 20-25mm | R10 | Full-bond | No interlocking |
| General training floor | SBR solid tiles | 8-15mm | R10 | Loose-lay or adhesive | 8mm min for 80kg lifters |
| Cardio/stretching zone | EPDM top-layer tiles | 6-8mm | R10 | Loose-lay | Lower odour, clean look |
| Entrance / reception | Entrance matting | 8-10mm | R10 | Loose-lay or adhesive | Debris capture |
| Changing rooms | SBR solid tiles | 8-10mm | R10-R11 | Full-bond | Waterproof adhesive |
| Wet showers | EPDM drainage / SBR drainage | 8-10mm | V6-V8 (barefoot) | Full-bond, falls to drain | DIN 51097 V-rating |
| Coach observation platform | SBR tiles or rolls | 8-10mm | R10 | Full-bond | Non-slip for coaches |
SBR vs EPDM for Weightlifting Gyms
| Factor | SBR (Recycled) | EPDM (Virgin or EPDM-top) | Recommendation |
|---|---|---|---|
| Hardness (Shore A) | 60-75 typical | 55-70 typical | SBR for platforms (firmer) |
| Barbell drop resilience | ✅ Excellent | ⚠️ Good (softer surface) | SBR for drop zones |
| Odour (off-gassing) | 🔴 HIGH — significant new tyre smell, 4-8 weeks | 🟢 LOW — minimal | EPDM for mixed-use / yoga zones |
| Colour options | Black only (standard) | Full RAL range available | EPDM for colour zoning |
| Cost per m² | ✅ Lower (£12-£35/m²) | ❌ Higher (£25-£65/m²) | SBR for volume, EPDM for feature zones |
| UV resistance | ⚠️ Fades outdoors | ✅ Excellent | EPDM for any outdoor area |
| Longevity under heavy use | ✅ 15-25 years | ✅ 15-25 years | Both suitable |
⚠️ SBR Off-Gassing Protocol: New SBR rubber emits volatile organic compounds (VOCs) for 4-8 weeks after installation. In a weightlifting gym — where athletes spend extended time in physical exertion — this is a welfare consideration. Allow minimum 7 days ventilation before occupancy, and ideally 4 weeks before full training load. EPDM rubber off-gasses significantly less and is preferred in gyms with poor natural ventilation.
Thickness Guide by Lifting Activity
| Activity | Minimum Thickness | Recommended | Rationale |
|---|---|---|---|
| Olympic weightlifting (snatch/C&J) — competition | 20mm | 25-30mm + ply base | IWF spec + noise compliance |
| Olympic weightlifting — training volume | 15mm | 20mm + ply base | Repeated barbell drop cycles |
| Powerlifting — deadlift (bar to floor) | 20mm | 20-25mm, full-bond | Controlled descent, lateral shear |
| Powerlifting — squat with rack | 15mm | 20mm under rack feet | Point load on rack uprights |
| Strongman training (stones, logs, yoke) | 20mm | 25-30mm | Irregular objects, lateral dragging |
| General barbell training (no dropping) | 8mm | 10-15mm | Equipment stability + forgiving surface |
| Dumbbell training | 8mm | 10mm | Dropped dumbbells — point impact |
| Kettlebell training | 10mm | 15mm | Swings + drops, lateral movement |
| Bodyweight / stretching | 6mm | 8mm | Comfort, no equipment impact |
| Coach standing area | 6mm | 8mm | Anti-fatigue benefit for coaches |
Acoustic Specification for Shared Buildings
This is the most under-estimated risk for UK weightlifting gyms. If you are in a commercial unit, above residential premises, or in any multi-occupancy building, the impact noise from barbell drops and rack impacts can:
- Breach your lease (noise nuisance clauses)
- Trigger Environmental Health complaints (Environmental Protection Act 1990)
- Require retrospective acoustic works at your cost
- Result in operating licence conditions or revocation
Recommended acoustic system for multi-occupancy buildings:
- Platform base: 2 × 18mm structural plywood (doubled for mass)
- Acoustic decoupling layer: 10-15mm rubber acoustic underlay (minimum 120 kg/m³ density)
- Rubber surface: 20-25mm SBR solid roll, full-bond to ply
- Platform perimeter: Acoustic isolation strip around all four edges (prevent flank transmission)
- Non-platform floor: 10mm SBR minimum over acoustic underlay where possible
Total system cost (supply only, per platform): approximately £550-£900 depending on size and rubber specification.
2026 Cost Guide: Weightlifting Gym Rubber Flooring
Supply Costs (per m²)
| Product | Spec | Supply Cost/m² |
|---|---|---|
| SBR solid roll (standard) | 15mm, 1m wide | £14-£22 |
| SBR solid roll (heavy duty) | 20mm, 1m wide | £20-£32 |
| SBR solid roll (platform grade) | 25-30mm, 1m wide | £28-£45 |
| SBR solid tiles | 15mm, 500×500mm | £16-£26 |
| SBR solid tiles (heavy) | 20mm, 500×500mm | £22-£36 |
| EPDM top-layer tiles | 10mm, 500×500mm | £28-£45 |
| Acoustic underlay | 10mm, 120 kg/m³ | £12-£20 |
| Structural plywood (18mm) | 2440×1220mm sheet | £28-£45/sheet |
Real Project Examples (Supply + Installation)
| Project | Spec | Total Cost |
|---|---|---|
| Community lifting club — 80m² ground floor unit | 4 × training platforms (20mm SBR + ply), 50m² 15mm SBR tiles, entrance mat | £4,200-£6,800 |
| Commercial weightlifting gym — 200m² first floor | 6 × platforms (25mm SBR + double ply + acoustic), 140m² 20mm SBR tiles, 14m² EPDM cardio zone, acoustic underlay throughout | £14,500-£22,000 |
| Olympic/performance centre — 350m² | 8 × IWF-spec platforms (30mm SBR + maple centre + double ply + isolation), 280m² 20-25mm SBR solid, EPDM zones, floating floor system | £32,000-£48,000 |
| Powerlifting studio — 60m² basement | 3 × powerlifting platforms (25mm SBR, full-bond, no ply needed — concrete base), 35m² 20mm SBR tiles, changing room drainage mats | £3,800-£5,600 |
UK Standards & Regulations
| Standard | Requirement | Relevance to Weightlifting Gyms |
|---|---|---|
| Workplace Regulations 1992 (Reg 12) | Floors must be suitable, non-slip, free from holes | All weightlifting gym floors |
| Building Regulations Part E (England & Wales) | Impact sound transmission — protects adjacent occupants | Gyms in shared buildings |
| Environmental Protection Act 1990 | Statutory noise nuisance provisions | Barbell drops in shared buildings |
| HSE HSSG 156 (Slips and Trips) | R10 minimum for dry athletic floors | Training floor, rack areas |
| DIN 51130 | R9–R13 slip resistance ramp test | Gym floor specification |
| BS 7976-2 | Pendulum test value (PTV) — BS 36+ wet, 24+ dry | Changing rooms, showers |
| DIN 51097 | V-ratings for barefoot wet areas | Showers, wet changing |
| IWF Technical Rules (latest) | Platform dimensions, surface materials, centre marking | Competition platforms |
| British Weightlifting Venue Standards | BWL competition venue approval criteria | Clubs seeking BWL status |
| REACH Regulation (UK) | PAH restrictions for recycled rubber | SBR from recycled tyres |
Installation Guidance
Platform Installation — Step by Step
- Subfloor preparation: Concrete must be level (±3mm in 3m), dry (≤75% RH), clean, and free of contamination. Use DPM if moisture risk exists.
- Plywood base: Lay 18mm structural ply in offset pattern (no continuous joints). Fix with appropriate anchors where required. For acoustic: lay acoustic underlay first, then ply.
- Rubber surface: Cut SBR roll to platform size + 50mm overlap on all sides. Apply contact adhesive to ply surface and rubber backing. Allow tack time (per manufacturer spec). Bond rubber to ply, starting from centre, pressing out air.
- Trim edges: Cut flush to ply perimeter. Apply chamfered ramp strip to all four edges, bonded and flush.
- Hardwood centre (if applicable): Rout recess to exact hardwood dimensions + 2mm clearance each side. Bed hardwood in flexible adhesive. Sand flush to rubber surface.
- Cure time: Allow minimum 24 hours before use, 48 hours before full competition load.
General Floor Installation
- Loose-lay (8-15mm tiles): Butt-joint tiles tightly, start from room centre, cut perimeter tiles last. Use double-sided tape under high-traffic areas and at thresholds.
- Adhesive-bond (15mm+): Full-spread contact adhesive or pressure-sensitive adhesive. Work in manageable sections. Allow flash-off per manufacturer spec.
- Interlocking tiles: Not recommended for weightlifting gyms — joins can creep under heavy rack loads and create micro-ridges.
Maintenance & Care
| Frequency | Task | Products |
|---|---|---|
| After each session | Sweep/dust mop for chalk, metal fragments, debris | Soft bristle broom, microfibre mop |
| Daily | Damp mop with neutral pH cleaner (pH 6-8) | pH-neutral gym floor cleaner, microfibre |
| Weekly | Deep scrub — machine scrub or manual with stiff brush | Diluted gym floor cleaner, floor scrubber |
| Monthly | Inspect for tears, lifting tiles, adhesive failure at platform edges | Visual inspection + press test |
| Annual | Full condition report, check platform plywood for delamination | Professional inspection recommended |
❌ Never use on weightlifting gym rubber:
- Floor polish or wax (creates slip hazard — rubber is specified for grip, not shine)
- Bleach or chlorine-based cleaners (degrades SBR rubber compound)
- Solvent-based cleaners or degreasers (attack adhesive bonds)
- High-pressure washers (penetrate joints, delaminate ply base)
- Oil-based cleaning products (reduces slip resistance)
10-Point Buying Checklist
- ✅ Specify SBR 70 Shore A minimum for platform and rack zones — not foam or soft compound
- ✅ Use SBR roll (not tiles) for powerlifting platforms — seamless surface only
- ✅ Include plywood base in platform spec — do not bond rubber direct to bare concrete for barbell drop
- ✅ Specify full acoustic system if sharing floors with other occupancies (Building Regs Part E)
- ✅ Allow 7-day minimum ventilation after SBR installation before gym opens
- ✅ Request PAH compliance certificates for recycled SBR (UK REACH regulation)
- ✅ Specify DIN 51130 R10 minimum for all training areas — not just changing rooms
- ✅ Use EPDM-top tiles for cardio/stretching zones — lower odour, full colour range
- ✅ Check adhesive compatibility with subfloor: concrete primer required for porous slabs
- ✅ Plan barbell storage within your rubber spec — bumper plate drop zones need same spec as platform surrounds
Frequently Asked Questions
How thick does rubber flooring need to be for Olympic weightlifting?
For Olympic weightlifting platforms where barbells are dropped from overhead, a minimum of 20mm SBR solid rubber is required for training use. Competition-grade platforms (IWF/BWL spec) should use 25-30mm SBR combined with an 18mm plywood base for noise isolation. The plywood base is as important as rubber thickness — without it, the barbell impact transmits directly to the structural floor. For community clubs, 15-20mm SBR on 18mm ply is a practical and cost-effective training platform specification.
Can I use interlocking gym tiles for a weightlifting gym?
Interlocking tiles are not recommended for platform areas or rack surrounds in weightlifting gyms. The interlocking join can creep and separate under the repeated heavy point loads of loaded racks and barbell drops, creating micro-ridges that affect equipment stability and can become trip hazards. For platform construction, use SBR roll (seamless). For rack surrounds and high-load areas, use solid SBR tiles adhesive-bonded — not interlocking. Interlocking tiles can be acceptable in general training areas away from heavy equipment.
How do I reduce noise from barbell drops in a shared building?
Effective noise reduction for barbell drops in shared buildings requires a multi-layer approach: double plywood base (2 × 18mm structural ply), a 10-15mm acoustic rubber underlay (minimum 120 kg/m³ density) between the concrete slab and plywood, and 20-25mm SBR solid rubber on the surface. Critically, acoustic isolation strips should be placed around the entire platform perimeter to prevent flanking sound transmission through the platform edges. This system can achieve 35-45 dB ΔLw impact noise reduction — sufficient for most shared commercial buildings. For buildings above residential premises, professional acoustic assessment is recommended before opening.
What is the difference between SBR and EPDM for weightlifting gyms?
SBR (Styrene Butadiene Rubber, made from recycled tyres) is harder, more resistant to point loads, and less expensive — making it the correct choice for platforms, rack surrounds, and general heavy-use training areas. EPDM (Ethylene Propylene Diene Monomer, virgin rubber) is softer, available in colours, has lower odour, and better UV resistance — making it appropriate for cardio zones, stretching areas, and any outdoor sections. The key practical difference is odour: new SBR emits a strong rubber/tyre smell for 4-8 weeks, which can be unpleasant in a training environment. EPDM off-gasses minimally. For a mixed weightlifting gym, use SBR for performance zones and EPDM for comfort zones.
Do I need a hardwood centre in my Olympic lifting platform?
A hardwood centre insert (typically 1m × 1m maple or beech) is required for IWF competition-standard platforms and recommended for club platforms used for technique development. The hardwood allows the barbell to roll correctly during the Olympic lifts (particularly useful when catching a snatch or jerk). For pure strength training or powerlifting, the hardwood insert is optional. For competition platforms registered with British Weightlifting, IWF Technical Rules specify the platform dimensions (4m × 4m) and require a contrasting centre marking — which can be achieved with either a hardwood insert or contrasting colour EPDM.
How much does rubber flooring for a weightlifting gym cost?
Rubber flooring costs for a weightlifting gym depend heavily on the number of platforms and whether acoustic isolation is required. A typical community lifting club (80m², ground floor, 4 training platforms) can expect to pay £4,200-£6,800 for supply and installation. A commercial weightlifting gym (200m², first floor with acoustic requirement, 6 platforms) typically costs £14,500-£22,000. Olympic performance centres with IWF-spec platforms and full floating floor systems range from £32,000-£48,000 for 350m²+. Supply-only rubber costs range from £14-£45/m² depending on thickness (15-30mm). Platform construction using plywood base adds approximately £60-£120 per platform in materials.
What rubber flooring is best for a powerlifting gym?
Powerlifting gyms require SBR solid rubber roll (not tiles) for platform areas, bonded directly to the concrete subfloor with full-spread contact adhesive. The surface must be dead flat — any flex or variation causes problems under loads of 300kg+ during squats and deadlifts. Specify 20-25mm SBR solid (70 Shore A hardness) for platform areas, and ensure the subfloor is power-floated to ±3mm in 3m. For surrounding training floor areas, 15-20mm SBR solid tiles adhesive-bonded are appropriate. Avoid interlocking tiles near rack uprights — the joins can creep under rack point loads and create instability.
How long does SBR rubber smell last in a new gym?
New SBR (recycled tyre) rubber typically emits a strong rubbery odour for 4-8 weeks after installation in a training environment. The smell is strongest in the first 1-2 weeks and fades progressively. To minimise impact on members: allow minimum 7 days ventilation before opening (ideally 4 weeks for competition/high-intensity training); maximise ventilation during the settling period (open windows and doors, run mechanical ventilation at high rates); clean the floor regularly with pH-neutral cleaner during ventilation (removes surface compound). EPDM rubber off-gasses significantly less than SBR and is the preferred choice where odour is a concern — though at higher cost. The VOCs from SBR are not classified as hazardous at gym concentrations, but some individuals are sensitive.
