EPS Panel 50mm 4.2m Z-lock
$203.00
Specifications
- Polystyrene Foam EPS Coolroom Panels
- Coverage Width: 1150mm
- High Density: 16kg/m³
The EPS 50 mm Z-Lock insulated wall panel (4.2 m length) — a hygienic coolroom panel with an interlocking Z-Lock joint for a fast, air-tight build. In stock in Adelaide, cut-to-length, delivered Australia-wide.
❄️ 50 mm EPS core
📏 4.2 m × 1150 mm
🌡️ R 1.39
🔥 SGS fire-tested
Specifications
| Insulation core | Expanded Polystyrene (EPS), 16 kg/m³ |
| Fire performance | SGS fire-tested to AS/NZS 1530.3 |
| Thickness | 50 mm |
| Length | 4.2 m |
| Cover width | 1150 mm |
| R-value / U-value | R 1.39 m²·K/W · U 0.72 W/m²·K |
| Joint | Z-Lock interlocking |
| Steel skins | 0.45 mm pre-painted ribbed steel, both faces |
| Operating temperature | −40 °C to +90 °C (material) |
| Standard colour | Off-white |
| SKU | EPSSZZ4250 |
Choose your thickness
| Thickness | R-value | U-value | Best for |
|---|---|---|---|
| 35 mm | 0.96 | 1.04 | Partitions & light chillers |
| 50 mm ★ | 1.39 | 0.72 | Commercial cool rooms |
| 75 mm | 2.08 | 0.48 | Freezer / cold storage |
| 100 mm | 2.70+ | 0.37 | Blast / large freezers |
Load / span guide (indicative)
| Load (kg/m²) | 35 mm | 50 mm ★ | 75 mm |
|---|---|---|---|
| 25 | 3.89 m | 4.97 m | 6.55 m |
| 50 | 2.95 m | 3.79 m | 5.02 m |
| 100 | 2.17 m | 2.81 m | 3.76 m |
| 150 | 1.77 m | 2.31 m | 3.12 m |
| 200 | 1.52 m | 1.99 m | 2.71 m |
Indicative maximum spans only — not a certified load table. Confirm against certified load tables for your wind region and load case.
Where it’s used
🏪
Commercial cool rooms
Cafés, restaurants, bottle stores & back-of-house.
🥩
Butcher & food prep
Meat rooms, delis and prep areas.
📦
Cold storage
Bulk & distribution cold stores.
🍷
Winery, cellar & rural
Wine, produce and packing sheds.
Key features
⚡
Fast Z-Lock install
Cam together for a tight seam — no welding.
🧼
Hygienic & washable
Smooth steel faces, food-area ready.
🔥
SGS fire-tested
Independently tested to AS/NZS 1530.3.
🛡️
Air-tight & efficient
Core keeps the inner skin above dew point — no sweating.
Compatible accessories
Coolroom panel FAQs
Are these 50mm coolroom panels cut to length?
Yes — 4.2 m is a standard stock size and we also cut panels to your exact length. In stock in Adelaide, with pickup or Australia-wide delivery.
What thickness coolroom panel do I need?
35mm for partitions and light chillers, 50mm for commercial cool rooms, 75mm for freezer and cold storage. See the thickness guide above or ask our team.
Can I install coolroom panels myself?
Yes. The Z-Lock interlocking joint cams together with no welding — most DIY cool rooms go up in a weekend. Matching doors, channels and flashings complete the build.
Are EPS coolroom panels fire-rated?
Yes — our EPS panels are independently fire-tested by SGS to AS/NZS 1530.3, the Australian standard for ignitability, flame propagation and heat & smoke release. See our EPS panel fire test report for the certificate.
Need a custom length, thickness or colour?
Cut-to-length, in stock Adelaide, delivered Australia-wide.
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