Impact
Repeated full-force hammer strikes with no structural failure. Surface scuffs only; core integrity maintained.
Strength & testing
Engineered strength. Proven performance.
We don’t just claim strength—we prove it. KARRU Built’s EPS Cement Panels combine dense, fibre-reinforced cement skins with engineered reinforcement and testing across fire, seismic, cyclone and impact scenarios.
Built for the harshest conditions. Our system is designed to resist flame, absorb seismic energy, stand up to high wind pressures and shrug off everyday knocks. Independent test programmes and on-site performance confirm the results.
> 60 MPa
Compressive strength
2–4 hours
Certified fire rating
> 280 km/h
Wind load resistance
Tested across every scenario
Where it matters most
Seismic
Survives M7.5 simulation with reinforced joints and mesh—absorbing racking without brittle cracking.
Fire
2–4 hours direct flame exposure with stable performance and no flashover through panel.
Cyclone/Wind
Panelised envelope withstands > 280 km/h wind forces with appropriate fixings and frame design.
Inside the system
Built from solid engineering, tested to the limit
Dense cement skins, structural reinforcement at joints, and controlled fixings create a rigid, durable shell. No fluff—just performance.
- Compressive strength: > 60 MPa
- Fire resistance: 2–4 hour certified rating
- Seismic behaviour: Survives M7.5 simulations
- Wind load: > 280 km/h with engineered fixings
- Impact: Sledgehammer-tested, no failure
Compare
Strength at a glance
| Material | Compressive Strength (MPa) | Fire Resistance | Seismic Rating | Wind Resistance |
|---|---|---|---|---|
| KARRU EPS Cement Panel | > 60 | 2–4 hours | Up to M7.5 | > 280 km/h |
| Hollow Concrete Block | 15–25 | Up to 1 hour | Limited | ~120 km/h |
| Brick Wall | 5–20 | Up to 2 hours | Low | ~140 km/h |
| Timber Frame + Plasterboard | < 10 | 30–60 mins | Very Low | ~100 km/h |
*Indicative values based on published testing and engineering references. Final performance depends on project-specific design and detailing.
Strength FAQs
Do panels crack under impact?
Surface marks can occur under extreme impact, but the structural core and reinforced joints are designed to prevent failure.
Is fire performance affected by openings?
Penetrations are detailed with approved fire-stopping systems to maintain rating continuity around windows, doors, and services.
How is wind performance achieved?
Through engineered fixings, correct fastener spacing, and steel frame design tailored to local wind regions.
Are results certified?
Yes—testing is performed against recognised standards. Ask us for project-specific test reports and compliance documentation.
Need the numbers?
Download technical data and testing summaries, or speak with engineering for project-specific design notes.